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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-Q

                   QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS
    OF REGISTERED MANAGEMENT INVESTMENT COMPANY



  Investment Company Act file number 811-21460


                       Pioneer Series Trust II
               (Exact name of registrant as specified in charter)


                       60 State Street, Boston, MA 02109
              (Address of principal executive offices) (ZIP code)


            Terrence J. Cullen, Pioneer Investment Management, Inc.,
                       60 State Street, Boston, MA 02109
                    (Name and address of agent for service)


Registrant's telephone number, including area code:  (617) 742-7825


Date of fiscal year end:  December 31

Date of reporting period:  March 31, 2013

Form N-Q is to be used by management investment companies, other than small
business investment companies registered on Form N-5 (239.24 and 274.5 of this
chapter), to file reports with the Commission, not later than 60 days after
close of the first and third fiscal quarters, pursuant to Rule 30b1-5 under
the Investment Company Act of 1940 (17 CFR 270.30b1-5).  The Commission may
use the information provided on Form N-Q in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q,
and the Commission will make this information public. A registrant is not
required to respond to the collection of information contained in Form N-Q
unless the Form displays a currently valid Office of Management and Budget
("OMB") control number. Please direct comments concerning the accuracy of the
information collection burden estimate and any suggestions for reducing the
burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW,
Washington, DC 20549-0609.  The OMB has reviewed this collection of information
under the clearance requirements of 44 U.S.C. ss. 3507.


<PAGE>


ITEM 1. Schedule of Investments.














	 




	 




	 




	 






	Pioneer Growth Opportunities Fund






	 




	 








	 




	 




	 




	 






	Schedule of Investments 3/28/2013






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	Shares






	 




	 




	 




	 






	Value










	 




	 




	 




	 






	COMMON STOCKS - 95.4%






	 




	 








	 




	 




	 




	 






	Energy - 8.8%






	 




	 








	 




	 




	 




	 






	Oil & Gas Equipment & Services - 1.8%






	 




	 








	 






	381,084






	 




	 






	Basic Energy Services, Inc. *








	$








	5,209,418










	 






	85,600






	 




	 






	Dresser-Rand Group, Inc. *






	 






	5,278,096










	 




	 




	 




	 




	 






	$








	10,487,514










	 




	 




	 




	 






	Oil & Gas Exploration & Production - 5.6%






	 




	 








	 






	107,200






	 




	 






	Bonanza Creek Energy, Inc. *








	$








	4,145,424










	 






	208,043






	 




	 






	Cabot Oil & Gas Corp.






	 






	14,065,783










	 






	261,370






	 




	 






	Comstock Resources, Inc. *






	 






	4,247,262










	 






	89,500






	 




	 






	Gulfport Energy Corp. *






	 






	4,101,785










	 






	60,300






	 




	 






	Oasis Petroleum, Inc. *






	 






	2,295,621










	 






	100,900






	 




	 






	Trilogy Energy Corp.






	 






	2,908,239










	 




	 




	 




	 




	 






	$








	31,764,114










	 




	 




	 




	 






	Oil & Gas Refining & Marketing - 0.6%






	 




	 








	 






	96,800






	 




	 






	Western Refining, Inc.








	$








	3,427,688










	 




	 




	 




	 






	Oil & Gas Storage & Transportation - 0.8%






	 




	 








	 






	82,300






	 




	 






	SemGroup Corp. *








	$








	4,256,556










	 




	 




	 




	 






	Total Energy








	$








	49,935,872










	 




	 




	 




	 






	Materials - 6.7%






	 




	 








	 




	 




	 




	 






	Commodity Chemicals - 1.0%






	 




	 








	 






	58,100






	 




	 






	Westlake Chemical Corp.








	$








	5,432,350










	 




	 




	 




	 






	Fertilizers & Agricultural Chemicals - 0.7%






	 




	 








	 






	90,100






	 




	 






	The Scotts Miracle-Gro Co.








	$








	3,895,924










	 




	 




	 




	 






	Industrial Gases - 0.5%






	 




	 








	 






	29,700






	 




	 






	Airgas, Inc.








	$








	2,945,052










	 




	 




	 




	 






	Specialty Chemicals - 2.7%






	 




	 








	 






	420,600






	 




	 






	Flotek Industries, Inc. *








	$








	6,876,810










	 






	109,500






	 




	 






	WR Grace & Co. *






	 






	8,487,345










	 




	 




	 




	 




	 






	$








	15,364,155










	 




	 




	 




	 






	Construction Materials - 1.8%






	 




	 








	 






	87,400






	 




	 






	Eagle Materials, Inc.








	$








	5,823,462










	 






	82,100






	 




	 






	Vulcan Materials Co.






	 






	4,244,570










	 




	 




	 




	 




	 






	$








	10,068,032










	 




	 




	 




	 






	Total Materials








	$








	37,705,513










	 




	 




	 




	 






	Capital Goods - 5.6%






	 




	 








	 




	 




	 




	 






	Construction & Engineering - 1.3%






	 




	 








	 






	593,600






	 




	 






	Great Lakes Dredge & Dock Corp.








	$








	3,994,928










	 






	113,500






	 




	 






	KBR, Inc.






	 






	3,641,080










	 




	 




	 




	 




	 






	$








	7,636,008










	 




	 




	 




	 






	Electrical Components & Equipment - 0.4%






	 




	 








	 






	30,500






	 




	 






	Acuity Brands, Inc.








	$








	2,115,175










	 




	 




	 




	 






	Construction & Farm Machinery & Heavy Trucks - 1.7%






	 




	 








	 






	81,200






	 




	 






	Joy Global, Inc.








	$








	4,833,024










	 






	241,300






	 




	 






	The Manitowoc Co., Inc.






	 






	4,961,128










	 




	 




	 




	 




	 






	$








	9,794,152










	 




	 




	 




	 






	Industrial Machinery - 2.2%






	 




	 








	 






	106,500






	 




	 






	Chart Industries, Inc. *








	$








	8,521,065










	 






	96,880






	 




	 






	Kennametal, Inc.






	 






	3,782,195










	 




	 




	 




	 




	 






	$








	12,303,260










	 




	 




	 




	 






	Total Capital Goods








	$








	31,848,595










	 




	 




	 




	 






	Commercial Services & Supplies - 6.2%






	 




	 








	 




	 




	 




	 






	Diversified Support Services - 2.6%






	 




	 








	 






	194,000






	 




	 






	Mobile Mini, Inc. *








	$








	5,709,420










	 






	270,500






	 




	 






	Performant Financial Corp. *






	 






	3,321,740










	 






	105,500






	 




	 






	United Rentals, Inc. *






	 






	5,799,335










	 




	 




	 




	 




	 






	$








	14,830,495










	 




	 




	 




	 






	Human Resource & Employment Services - 2.7%






	 




	 








	 






	229,631






	 




	 






	On Assignment, Inc. *








	$








	5,811,961










	 






	382,100






	 




	 






	WageWorks, Inc. *






	 






	9,563,963










	 




	 




	 




	 




	 






	$








	15,375,924










	 




	 




	 




	 






	Research & Consulting Services - 0.9%






	 




	 








	 






	42,611






	 




	 






	CoStar Group, Inc. *








	$








	4,664,200










	 




	 




	 




	 






	Total Commercial Services & Supplies








	$








	34,870,619










	 




	 




	 




	 






	Transportation - 6.1%






	 




	 








	 




	 




	 




	 






	Air Freight & Logistics - 0.7%






	 




	 








	 






	227,000






	 




	 






	XPO Logistics, Inc. *








	$








	3,822,680










	 




	 




	 




	 






	Airlines - 2.7%






	 




	 








	 






	104,200






	 




	 






	Alaska Air Group, Inc. *








	$








	6,664,632










	 






	28,320






	 




	 






	Allegiant Travel Co.






	 






	2,514,250










	 






	351,200






	 




	 






	US Airways Group, Inc. *






	 






	5,959,864










	 




	 




	 




	 




	 






	$








	15,138,746










	 




	 




	 




	 






	Marine - 0.5%






	 




	 








	 






	271,776






	 




	 






	Diana Shipping, Inc. *








	$








	2,897,132










	 




	 




	 




	 






	Railroads - 0.7%






	 




	 








	 






	46,000






	 




	 






	Genesee & Wyoming, Inc. *








	$








	4,283,060










	 




	 




	 




	 






	Trucking - 1.5%






	 




	 








	 






	152,600






	 




	 






	Avis Budget Group, Inc. *








	$








	4,246,858










	 






	311,400






	 




	 






	Swift Transportation Co. *






	 






	4,415,652










	 




	 




	 




	 




	 






	$








	8,662,510










	 




	 




	 




	 






	Total Transportation








	$








	34,804,128










	 




	 




	 




	 






	Consumer Durables & Apparel - 5.4%






	 




	 








	 




	 




	 




	 






	Home Furnishings - 0.5%






	 




	 








	 






	85,200






	 




	 






	Ethan Allen Interiors, Inc.








	$








	2,804,784










	 




	 




	 




	 






	Housewares & Specialties - 0.6%






	 




	 








	 






	45,700






	 




	 






	Tupperware Brands Corp.








	$








	3,735,518










	 




	 




	 




	 






	Apparel, Accessories & Luxury Goods - 3.2%






	 




	 








	 






	58,301






	 




	 






	Carter's, Inc. *








	$








	3,338,898










	 






	168,700






	 




	 






	G-III Apparel Group, Ltd. *






	 






	6,766,557










	 






	173,500






	 




	 






	Hanesbrands, Inc. *






	 






	7,904,660










	 




	 




	 




	 




	 






	$








	18,010,115










	 




	 




	 




	 






	Footwear - 1.1%






	 




	 








	 






	421,056






	 




	 






	Crocs, Inc. *








	$








	6,240,050










	 




	 




	 




	 






	Total Consumer Durables & Apparel








	$








	30,790,467










	 




	 




	 




	 






	Consumer Services - 2.6%






	 




	 








	 




	 




	 




	 






	Leisure Facilities - 0.9%






	 




	 








	 






	71,400






	 




	 






	Six Flags Entertainment Corp.








	$








	5,175,072










	 




	 




	 




	 






	Restaurants - 0.6%






	 




	 








	 






	36,200






	 




	 






	Buffalo Wild Wings, Inc. *








	$








	3,168,586










	 




	 




	 




	 






	Education Services - 1.1%






	 




	 








	 






	49,600






	 




	 






	American Public Education, Inc. *








	$








	1,730,544










	 






	171,863






	 




	 






	Grand Canyon Education, Inc. *






	 






	4,363,602










	 




	 




	 




	 




	 






	$








	6,094,146










	 




	 




	 




	 






	Total Consumer Services








	$








	14,437,804










	 




	 




	 




	 






	Media - 1.4%






	 




	 








	 




	 




	 




	 






	Movies & Entertainment - 1.4%






	 




	 








	 






	273,219






	 




	 






	Cinemark Holdings, Inc.








	$








	8,043,567










	 




	 




	 




	 






	Total Media








	$








	8,043,567










	 




	 




	 




	 






	Retailing - 5.5%






	 




	 








	 




	 




	 




	 






	Distributors - 0.9%






	 




	 








	 






	223,500






	 




	 






	LKQ Corp. *








	$








	4,863,360










	 




	 




	 




	 






	Internet Retail - 0.9%






	 




	 








	 






	157,775






	 




	 






	HomeAway, Inc. *








	$








	5,127,688










	 




	 




	 




	 






	Apparel Retail - 1.9%






	 




	 








	 






	95,100






	 




	 






	Abercrombie & Fitch Co.








	$








	4,393,620










	 






	135,400






	 




	 






	American Eagle Outfitters, Inc.






	 






	2,531,980










	 






	133,000






	 




	 






	Francesca's Holdings Corp. *






	 






	3,811,780










	 




	 




	 




	 




	 






	$








	10,737,380










	 




	 




	 




	 






	Home Improvement Retail - 0.5%






	 




	 








	 






	42,100






	 




	 






	Lumber Liquidators Holdings, Inc. *








	$








	2,956,262










	 




	 




	 




	 






	Specialty Stores - 1.3%






	 




	 








	 






	98,908






	 




	 






	Five Below, Inc. *








	$








	3,747,624










	 






	76,500






	 




	 






	Vitamin Shoppe, Inc. *






	 






	3,737,025










	 




	 




	 




	 




	 






	$








	7,484,649










	 




	 




	 




	 






	Total Retailing








	$








	31,169,339










	 




	 




	 




	 






	Food & Staples Retailing - 0.3%






	 




	 








	 




	 




	 




	 






	Food Retail - 0.3%






	 




	 








	 






	79,998






	 




	 






	Natural Grocers by Vitamin Cottage, Inc. *








	$








	1,803,955










	 




	 




	 




	 






	Total Food & Staples Retailing








	$








	1,803,955










	 




	 




	 




	 






	Food, Beverage & Tobacco - 3.0%






	 




	 








	 




	 




	 




	 






	Packaged Foods & Meats - 3.0%






	 




	 








	 






	140,700






	 




	 






	B&G Foods, Inc.








	$








	4,289,943










	 






	129,400






	 




	 






	Flowers Foods, Inc.






	 






	4,262,436










	 






	152,500






	 




	 






	Green Mountain Coffee Roasters, Inc. *






	 






	8,655,900










	 




	 




	 




	 




	 






	$








	17,208,279










	 




	 




	 




	 






	Total Food, Beverage & Tobacco








	$








	17,208,279










	 




	 




	 




	 






	Health Care Equipment & Services - 9.2%






	 




	 








	 




	 




	 




	 






	Health Care Equipment - 4.7%






	 




	 








	 






	360,953






	 




	 






	ABIOMED, Inc. *








	$








	6,738,993










	 






	232,025






	 




	 






	Conceptus, Inc. *






	 






	5,603,404










	 






	163,000






	 




	 






	Hologic, Inc. *






	 






	3,683,800










	 






	219,000






	 




	 






	Insulet Corp. *






	 






	5,663,340










	 






	240,200






	 




	 






	Masimo Corp.






	 






	4,712,724










	 




	 




	 




	 




	 






	$








	26,402,261










	 




	 




	 




	 






	Health Care Supplies - 3.5%






	 




	 








	 






	153,700






	 




	 






	Align Technology, Inc. *








	$








	5,150,487










	 






	232,700






	 




	 






	Endologix, Inc. *






	 






	3,758,105










	 






	113,400






	 




	 






	Haemonetics Corp. *






	 






	4,724,244










	 






	270,844






	 




	 






	Quidel Corp. *






	 






	6,432,545










	 




	 




	 




	 




	 






	$








	20,065,381










	 




	 




	 




	 






	Health Care Facilities - 1.0%






	 




	 








	 






	207,400






	 




	 






	Brookdale Senior Living, Inc. *








	$








	5,782,312










	 




	 




	 




	 






	Total Health Care Equipment & Services








	$








	52,249,954










	 




	 




	 




	 






	Pharmaceuticals, Biotechnology & Life Sciences - 10.2%






	 




	 








	 




	 




	 




	 






	Biotechnology - 4.3%






	 




	 








	 






	281,549






	 




	 






	Alkermes Plc *








	$








	6,675,527










	 






	132,300






	 




	 






	Cubist Pharmaceuticals, Inc. *






	 






	6,194,286










	 






	400,200






	 




	 






	Neurocrine Biosciences, Inc. *






	 






	4,858,428










	 






	613,900






	 




	 






	NPS Pharmaceuticals, Inc. *






	 






	6,255,641










	 




	 




	 




	 




	 






	$








	23,983,882










	 




	 




	 




	 






	Pharmaceuticals - 5.9%






	 




	 








	 






	52,700






	 




	 






	Actavis, Inc. *








	$








	4,854,197










	 






	378,900






	 




	 






	Akorn, Inc. *






	 






	5,240,187










	 






	111,805






	 




	 






	Jazz Pharmaceuticals Plc *






	 






	6,251,018










	 






	213,400






	 




	 






	Salix Pharmaceuticals, Ltd. *






	 






	10,921,812










	 






	250,135






	 




	 






	ViroPharma, Inc. *






	 






	6,293,397










	 




	 




	 




	 




	 






	$








	33,560,611










	 




	 




	 




	 






	Total Pharmaceuticals, Biotechnology & Life Sciences








	$








	57,544,493










	 




	 




	 




	 






	Banks - 1.1%






	 




	 








	 




	 




	 




	 






	Regional Banks - 1.1%






	 




	 








	 






	77,400






	 




	 






	Signature Bank *








	$








	6,096,024










	 




	 




	 




	 






	Total Banks








	$








	6,096,024










	 




	 




	 




	 






	Diversified Financials - 5.7%






	 




	 








	 




	 




	 




	 






	Consumer Finance - 0.8%






	 




	 








	 






	77,500






	 




	 






	First Cash Financial Services, Inc. *








	$








	4,521,350










	 




	 




	 




	 






	Asset Management & Custody Banks - 3.1%






	 




	 








	 






	20,500






	 




	 






	Affiliated Managers Group, Inc. *








	$








	3,148,185










	 






	167,800






	 




	 






	Ares Capital Corp.






	 






	3,037,180










	 






	72,000






	 




	 






	Financial Engines, Inc.






	 






	2,607,840










	 






	167,900






	 




	 






	Walter Investment Management Corp. *






	 






	6,254,275










	 






	271,300






	 




	 






	WisdomTree Investments, Inc. *






	 






	2,821,520










	 




	 




	 




	 




	 






	$








	17,869,000










	 




	 




	 




	 






	Investment Banking & Brokerage - 1.8%






	 




	 








	 






	531,425






	 




	 






	E*TRADE Financial Corp. *








	$








	5,691,562










	 






	102,300






	 




	 






	Evercore Partners, Inc.






	 






	4,255,680










	 




	 




	 




	 




	 






	$








	9,947,242










	 




	 




	 




	 






	Total Diversified Financials








	$








	32,337,592










	 




	 




	 




	 






	Real Estate - 0.3%






	 




	 








	 




	 




	 




	 






	Specialized REIT's - 0.3%






	 




	 








	 






	55,014






	 




	 






	Sabra Health Care Real Estate Investment Trust, Inc.








	$








	1,595,956










	 




	 




	 




	 






	Total Real Estate








	$








	1,595,956










	 




	 




	 




	 






	Software & Services - 11.9%






	 




	 








	 




	 




	 




	 






	Internet Software & Services - 1.9%






	 




	 








	 






	245,425






	 




	 






	ExactTarget, Inc. *








	$








	5,711,040










	 






	216,800






	 




	 






	SciQuest, Inc. *






	 






	5,211,872










	 




	 




	 




	 




	 






	$








	10,922,912










	 




	 




	 




	 






	IT Consulting & Other Services - 1.6%






	 




	 








	 






	169,000






	 




	 






	Gartner, Inc. *








	$








	9,195,290










	 




	 




	 




	 






	Data Processing & Outsourced Services - 2.7%






	 




	 








	 






	218,700






	 




	 






	Vantiv, Inc. *








	$








	5,191,938










	 






	80,100






	 




	 






	WEX, Inc. *






	 






	6,287,850










	 






	252,000






	 




	 






	WNS Holdings, Ltd. (A.D.R.) *






	 






	3,714,480










	 




	 




	 




	 




	 






	$








	15,194,268










	 




	 




	 




	 






	Application Software - 4.9%






	 




	 








	 






	136,033






	 




	 






	Aspen Technology, Inc. *








	$








	4,392,506










	 






	104,100






	 




	 






	Guidewire Software, Inc. *






	 






	4,001,604










	 






	182,800






	 




	 






	Nuance Communications, Inc. *






	 






	3,688,904










	 






	152,900






	 




	 






	QLIK Technologies, Inc. *






	 






	3,949,407










	 






	72,500






	 




	 






	Solera Holdings, Inc. *






	 






	4,228,925










	 






	378,440






	 




	 






	Tangoe, Inc. *






	 






	4,688,872










	 






	27,833






	 




	 






	Ultimate Software Group, Inc. *






	 






	2,899,085










	 




	 




	 




	 




	 






	$








	27,849,303










	 




	 




	 




	 






	Systems Software - 0.8%






	 




	 








	 






	29,300






	 




	 






	CommVault Systems, Inc. *








	$








	2,402,014










	 






	50,600






	 




	 






	Imperva, Inc. *






	 






	1,948,100










	 




	 




	 




	 




	 






	$








	4,350,114










	 




	 




	 




	 






	Total Software & Services








	$








	67,511,887










	 




	 




	 




	 






	Technology Hardware & Equipment - 2.1%






	 




	 








	 




	 




	 




	 






	Communications Equipment - 1.6%






	 




	 








	 






	196,400






	 




	 






	Aruba Networks, Inc. *








	$








	4,858,936










	 






	179,545






	 




	 






	Finisar Corp. *






	 






	2,368,199










	 






	298,746






	 




	 






	Meru Networks, Inc. *






	 






	2,016,536










	 




	 




	 




	 




	 






	$








	9,243,671










	 




	 




	 




	 






	Electronic Manufacturing Services - 0.5%






	 




	 








	 






	43,200






	 




	 






	IPG Photonics Corp.








	$








	2,868,912










	 




	 




	 




	 






	Total Technology Hardware & Equipment








	$








	12,112,583










	 




	 




	 




	 






	Semiconductors & Semiconductor Equipment - 3.3%






	 




	 








	 




	 




	 




	 






	Semiconductors - 3.3%






	 




	 








	 






	219,500






	 




	 






	Monolithic Power Systems, Inc.








	$








	5,349,215










	 






	187,500






	 




	 






	Semtech Corp. *






	 






	6,635,625










	 






	301,200






	 




	 






	Skyworks Solutions, Inc. *






	 






	6,635,436










	 




	 




	 




	 




	 






	$








	18,620,276










	 




	 




	 




	 






	Total Semiconductors & Semiconductor Equipment








	$








	18,620,276










	 




	 




	 




	 






	TOTAL COMMON STOCKS






	 




	 








	 




	 




	 




	 






	(Cost $413,092,253)








	$








	540,686,903










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	TOTAL INVESTMENT IN SECURITIES - 95.4%






	 




	 








	 




	 




	 




	 






	(Cost $413,092,253) (a)








	$








	540,686,903










	 




	 




	 




	 






	OTHER ASSETS & LIABILITIES - 4.6%








	$








	26,215,083










	 




	 




	 




	 






	TOTAL NET ASSETS - 100.0%








	$








	566,901,986










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	*






	 




	 






	Non-income producing security.






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	(A.D.R.)






	 






	American Depositary Receipts.






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	REIT






	 




	 






	Real Estate Investment Trust.






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	(a)






	 




	 






	At March 28, 2013, the net unrealized gain on investments based on






	 




	 








	 




	 




	 




	 






	cost for federal Income tax purposes of $418,319,905 was as follows:






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Aggregate gross unrealized gain for all investments in which






	 




	 








	 




	 




	 




	 






	there is an excess of value over tax cost








	$








	132,249,341










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Aggregate gross unrealized loss for all investments in which






	 




	 








	 




	 




	 




	 






	there is an excess of tax cost over value






	 






	(9,882,343)










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Net unrealized gain








	$








	122,366,998











	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 




	 




	 




	 










	Various inputs are used in determining the value of the Fund's investments.  These inputs are summarized in the three broad levels listed below.










	 




	 




	 




	 




	 




	 




	 










	Level 1 – quoted prices in active markets for identical securities






	 




	 










	Level 2 – other significant observable inputs (Including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.) See Notes to Financial Statements - Note 1A.












	Level 3 – significant unobservable inputs (Including the Fund’s own assumptions in determining fair value of investments) See Notes to Financial Statements - Note 1A.










	 




	 




	 




	 




	 




	 




	 










	Generally, equity securities are categorized as Level 1, fixed income securities and senior loans as Level 2 and securities valued












	using fair value methods (other than prices supplied by independent pricing services) are categorized as Level 3.












	See Notes to Financial Statements - Note 1A.






	 




	 








	 




	 




	 




	 




	 




	 




	 










	The following is a summary of the inputs used as of March 28, 2013, in valuing the Fund’s investments:






	 




	 
























	 




	 






	Level 1






	 




	 






	Level






	 




	 






	Level 3






	 




	 






	Total






	 










	Common Stocks






	 




	$




	540,686,903




	 




	 




	$




	-




	 




	 




	$




	-




	 




	 




	$




	540,686,903




	 










	Total






	 




	$




	540,686,903




	 




	 




	$




	-




	 




	 




	$




	-




	 




	 




	$




	540,686,903




	 









	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 










	During the year ended March 28, 2013, there were no transfers between Levels 1, 2 and 3.






	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 




	 



















	 










	 

















	 




















	 




	 




	 




	 






	Pioneer AMT-Free Municipal Fund






	 




	 








	 




	 




	 




	 






	Schedule of Investments 3/31/2013 (unaudited)






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	Shares








	Floating






	Rate (b)






	 






	Value










	 




	 




	 




	 






	COMMON STOCKS - 0.1%






	 




	 








	 




	 




	 




	 






	Commercial Services & Supplies - 0.1%






	 




	 








	 




	 




	 




	 






	Research & Consulting Services - 0.1%






	 




	 








	 






	200






	 




	 






	Center For Medical Science, Inc. (144A) *








	$








	640,000










	 




	 




	 




	 






	Total Commercial Services & Supplies








	$








	640,000










	 




	 




	 




	 






	TOTAL COMMON STOCKS






	 




	 








	 




	 




	 




	 






	(Cost $640,000)








	$








	640,000












	 






	Principal






	Amount ($)






	 




	 




	 








	 




	 




	 




	 






	MUNICIPAL BONDS - 97.7%






	 




	 








	 




	 




	 




	 






	Alabama - 0.2%






	 




	 








	 






	1,500,000






	 




	 






	Sylacauga Health Care Authority, 6.0%, 8/1/35








	$








	1,518,105










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Arizona - 4.4%






	 




	 








	 






	5,145,000






	 




	 






	Arizona Health Facilities Authority, 5.5%, 1/1/38








	$








	5,667,989










	 






	3,060,000






	 




	 






	Maricopa County High School District No. 210-Phoenix, 3.5%, 7/1/25






	 






	3,123,281










	 






	1,000,000






	 




	 






	Maricopa County Pollution Control Corp., 5.0%, 6/1/35






	 






	1,097,060










	 






	4,000,000






	 




	 






	Phoenix Civic Improvement Corp., 7/1/25






	 






	4,784,600










	 






	8,005,000






	 




	 






	Phoenix Civic Improvement Corp., 7/1/26






	 






	9,569,657










	 






	10,000,000






	 




	 






	Phoenix Civic Improvement Corp., 7/1/43






	 






	11,880,000










	 






	3,470,000






	 




	 






	Pima County Industrial Development Authority, 5.0%, 7/1/20






	 






	3,990,153










	 






	500,000






	 




	 






	Pima County Industrial Development Authority, 6.1%, 6/1/45






	 






	518,390










	 






	949,000






	 




	 






	Pima County Industrial Development Authority, 6.75%, 7/1/31






	 






	950,860










	 




	 




	 




	 




	 






	$








	41,581,990










	 




	 




	 




	 






	California - 11.9%






	 




	 








	 






	10,000,000






	 




	 






	Alameda Corridor Transportation Authority, 0.0%, 10/1/31 (c)








	$








	4,286,300










	 






	13,865,000






	 




	 






	Anaheim Public Financing Authority, 0.0%, 9/1/23 (c)






	 






	9,671,253










	 






	12,595,000






	 




	 






	Anaheim Public Financing Authority, 0.0%, 9/1/36 (c)






	 






	3,541,714










	 






	1,000,000






	 




	 






	California Educational Facilities Authority, 5.25%, 4/1/40






	 






	1,377,790










	 






	2,000,000






	 




	 






	California Health Facilities Financing Authority, 5.625%, 7/1/32






	 






	2,191,900










	 






	4,000,000






	 




	 






	California Municipal Finance Authority, 5.25%, 2/1/37






	 






	4,187,800










	 






	4,875,000






	 




	 






	California Statewide Communities Development Authority, 5.0%, 5/15/30






	 






	5,042,992










	 






	4,125,000






	 




	 






	California Statewide Communities Development Authority, 5.0%, 5/15/38






	 






	4,214,595










	 






	6,455,000






	 




	 






	California Statewide Communities Development Authority, 5.0%, 8/15/47






	 






	6,706,487










	 






	10,000,000






	 




	 






	California Statewide Communities Development Authority, 5.25%, 11/15/48






	 






	11,115,900










	 






	4,000,000






	 




	 






	California Statewide Communities Development Authority, 5.375%, 12/1/37






	 






	4,224,320










	 






	10,000,000






	 




	 






	California Statewide Communities Development Authority, 5.75%, 7/1/47






	 






	11,474,800










	 






	4,000,000






	 




	 






	California Statewide Communities Development Authority, 5.75%, 8/15/38






	 






	4,534,760










	 






	1,000,000






	 




	 






	Franklin-Mckinley School District, 6.0%, 7/1/16






	 






	1,161,450










	 






	2,100,000






	 




	 






	Fresno Joint Powers Financing Authority, 4.75%, 9/1/28






	 






	2,080,680










	 






	15,000,000






	 




	 






	Golden State Tobacco Securitization Corp., 5.125%, 6/1/47






	 






	13,101,300










	 






	3,000,000






	 




	 






	Long Beach Bond Finance Authority, 5.5%, 11/15/37






	 






	3,659,340










	 






	2,180,000






	 




	 






	Pomona Unified School District, 6.55%, 8/1/29






	 






	2,855,735










	 






	1,000,000






	 




	 






	Redding Redevelopment Agency, 4.5%, 9/1/26






	 






	1,004,040










	 






	3,000,000






	 




	 






	Rialto Redevelopment Agency, 6.25%, 9/1/37






	 






	3,225,690










	 






	1,500,000






	 




	 






	San Jose Evergreen Community College District, 5.0%, 8/1/41






	 






	1,699,635










	 






	2,085,000






	 




	 






	San Juan Unified School District, 5.0%, 8/1/25






	 






	2,500,832










	 






	1,500,000






	 




	 






	Santa Cruz County Redevelopment Agency, 6.625%, 9/1/29






	 






	1,778,955










	 






	1,405,000






	 




	 






	Santa Maria Joint Union High School District, 0.0%, 8/1/27 (c)






	 






	748,444










	 






	3,500,000






	 




	 






	Saugus Union School District, 0.0%, 8/1/23 (c)






	 






	2,404,815










	 






	3,750,000






	 




	 






	Tobacco Securitization Authority of Southern California, 5.0%, 6/1/37






	 






	3,380,288










	 






	1,125,000






	 




	 






	Tobacco Securitization Authority of Southern California, 5.125%, 6/1/46






	 






	989,752










	 




	 




	 




	 




	 






	$








	113,161,567










	 




	 




	 




	 






	Colorado - 4.3%






	 




	 








	 






	2,750,000








	5.25






	 






	Colorado Health Facilities Authority, Floating Rate Note, 11/15/35








	$








	3,036,605










	 






	15,000,000






	 




	 






	E-470 Public Highway Authority, 0.0%, 9/1/23 (c)






	 






	10,007,550










	 






	5,000,000






	 




	 






	E-470 Public Highway Authority, 0.0%, 9/1/27 (c)






	 






	2,627,650










	 






	12,500,000






	 




	 






	Public Authority for Colorado Energy, 6.5%, 11/15/38






	 






	17,159,250










	 






	2,500,000






	 




	 






	Regional Transportation District, 6.0%, 1/15/26






	 






	2,961,125










	 






	1,250,000






	 




	 






	Regional Transportation District, 6.0%, 1/15/34






	 






	1,425,450










	 






	1,000,000






	 




	 






	Regional Transportation District, 6.0%, 1/15/41






	 






	1,149,990










	 






	2,000,000






	 




	 






	Regional Transportation District, 6.5%, 1/15/30






	 






	2,387,580










	 




	 




	 




	 




	 






	$








	40,755,200










	 




	 




	 




	 






	Connecticut - 0.9%






	 




	 








	 






	4,795,000






	 




	 






	Connecticut State Health & Educational Facility Authority, 5.0%, 7/1/42








	$








	5,291,954










	 






	1,000,000






	 




	 






	Connecticut State Health & Educational Facility Authority, 5.5%, 7/1/17






	 






	1,006,100










	 






	2,470,000






	 




	 






	Mohegan Tribe of Indians of Connecticut, 6.25%, 1/1/31






	 






	2,471,803










	 




	 




	 




	 




	 






	$








	8,769,857










	 




	 




	 




	 






	Delaware - 0.6%






	 




	 








	 






	5,000,000






	 




	 






	Delaware State Economic Development Authority, 5.375%, 10/1/45








	$








	5,295,700










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	District of Columbia - 1.9%






	 




	 








	 






	10,000,000






	 




	 






	District of Columbia Tobacco Settlement Financing Corp., 6.75%, 5/15/40








	$








	10,399,800










	 






	7,950,000






	 




	 






	District of Columbia, 4.25%, 6/1/37






	 






	8,065,036










	 




	 




	 




	 




	 






	$








	18,464,836










	 




	 




	 




	 






	Florida - 6.0%






	 




	 








	 






	7,500,000






	 




	 






	City of Tallahassee Florida, 6.375%, 12/1/30








	$








	7,621,650










	 






	520,000






	 




	 






	County of Madison Florida, 6.0%, 7/1/25






	 






	511,103










	 






	5,000,000






	 




	 






	County of Miami-Dade Florida Aviation Revenue, 5.5%, 10/1/41






	 






	5,699,200










	 






	4,885,000






	 




	 






	County of Miami-Dade Florida, 5.0%, 6/1/22






	 






	5,258,898










	 






	8,000,000






	 




	 






	Escambia County Health Facilities Authority, 5.25%, 11/15/32






	 






	8,104,960










	 






	3,000,000






	 




	 






	Escambia County Health Facilities Authority, 6.0%, 8/15/36






	 






	3,402,570










	 






	1,390,000






	 




	 






	Florida Development Finance Corp., 6.0%, 9/15/30






	 






	1,491,776










	 






	1,830,000






	 




	 






	Greater Orlando Aviation Authority, 5.0%, 10/1/25






	 






	2,149,866










	 






	2,255,000






	 




	 






	Lee County Industrial Development Authority Florida, 4.75%, 6/15/14






	 






	2,287,021










	 






	2,000,000






	 




	 






	Lee County Industrial Development Authority Florida, 5.375%, 6/15/37






	 






	2,006,180










	 






	3,400,000






	 




	 






	St. Johns County Industrial Development Authority, 6.0%, 8/1/45






	 






	3,792,088










	 






	13,780,000






	 




	 






	Tampa-Hillsborough County Expressway Authority, 4.0%, 7/1/34 (Pre-Refunded)








	15,027,366










	 




	 




	 




	 




	 






	$








	57,352,678










	 




	 




	 




	 






	Georgia - 2.0%






	 




	 








	 






	5,750,000






	 




	 






	Burke County Development Authority, 7.0%, 1/1/23








	$








	6,773,615










	 






	3,970,000






	 




	 






	City of Atlanta Georgia Department of Aviation, 5.0%, 1/1/28






	 






	4,544,499










	 






	5,000,000






	 




	 






	Main Street Natural Gas, Inc., 5.5%, 9/15/28






	 






	6,005,200










	 






	1,500,000






	 




	 






	Municipal Electric Authority of Georgia, 5.625%, 1/1/26






	 






	1,785,840










	 




	 




	 




	 




	 






	$








	19,109,154










	 




	 




	 




	 






	Illinois - 3.3%






	 




	 








	 






	3,000,000






	 




	 






	Illinois Finance Authority, 5.1%, 8/15/31








	$








	3,162,450










	 






	1,580,000






	 




	 






	Illinois Finance Authority, 5.25%, 10/1/24






	 






	1,693,428










	 






	1,000,000






	 




	 






	Illinois Finance Authority, 5.25%, 5/1/40






	 






	1,055,620










	 






	4,000,000






	 




	 






	Illinois Finance Authority, 5.5%, 8/15/30






	 






	4,279,680










	 






	1,600,000






	 




	 






	Illinois Finance Authority, 6.0%, 8/15/25






	 






	1,688,096










	 






	1,000,000






	 




	 






	Illinois Finance Authority, 6.125%, 5/15/27






	 






	1,035,750










	 






	5,000,000






	 




	 






	Illinois Finance Authority, 6.5%, 4/1/39






	 






	5,672,700










	 






	20,000,000






	 




	 






	Metropolitan Pier & Exposition Authority, 0.0%, 6/15/39






	 






	5,565,000










	 






	5,000,000






	 




	 






	Metropolitan Pier & Exposition Authority, 7.0%, 7/1/26 (Pre-Refunded)






	 






	7,158,750










	 




	 




	 




	 




	 






	$








	31,311,474










	 




	 




	 




	 






	Indiana - 2.3%






	 




	 








	 






	3,500,000






	 




	 






	Delaware County Hospital Authority Indiana, 5.0%, 8/1/24








	$








	3,746,785










	 






	2,000,000






	 




	 






	Indiana Bond Bank, 5.5%, 2/1/29






	 






	2,304,300










	 






	2,000,000






	 




	 






	Indiana Finance Authority, 6.0%, 12/1/26






	 






	2,112,400










	 






	5,000,000






	 




	 






	Indiana Health & Educational Facilities Financing Authority, 4.75%, 2/15/34






	 






	5,193,300










	 






	7,000,000






	 




	 






	Indiana Health & Educational Facilities Financing Authority, 5.0%, 2/15/39






	 






	7,453,740










	 






	500,000






	 




	 






	Indianapolis Local Public Improvement Bond Bank, 6.0%, 1/10/20






	 






	576,800










	 






	335,000






	 




	 






	Indianapolis Local Public Improvement Bond Bank, 6.75%, 2/1/14 (Pre-Refunded)








	352,628










	 






	260,000






	 




	 






	Lawrence Township Metropolitan School District, 6.75%, 7/5/13






	 






	264,077










	 




	 




	 




	 




	 






	$








	22,004,030










	 




	 




	 




	 






	Louisiana - 2.7%






	 




	 








	 






	6,000,000






	 




	 






	Jefferson Parish Hospital Service District No. 2, 6.375%, 7/1/41








	$








	7,002,540










	 






	615,000






	 




	 






	Louisiana Local Government Environmental Facilities & Community Development Authority, 5.25%, 12/1/18








	645,682










	 






	10,000,000






	 




	 






	Louisiana Public Facilities Authority, 5.5%, 5/15/47






	 






	10,566,600










	 






	500,000






	 




	 






	Louisiana State Citizens Property Insurance Corp., 5.0%, 6/1/24






	 






	576,330










	 






	400,000






	 




	 






	Louisiana State Citizens Property Insurance Corp., 5.0%, 6/1/24






	 






	455,576










	 






	3,000,000






	 




	 






	Parish of St. John the Baptist Louisiana, 5.125%, 6/1/37






	 






	3,175,740










	 






	3,000,000






	 




	 






	Tobacco Settlement Financing Corp. Louisiana, 5.875%, 5/15/39






	 






	3,037,500










	 




	 




	 




	 




	 






	$








	25,459,968










	 




	 




	 




	 






	Maine - 1.0%






	 




	 








	 






	4,500,000






	 




	 






	Maine Health & Higher Educational Facilities Authority, 6.75%, 7/1/36








	$








	5,447,250










	 






	3,040,000






	 




	 






	Maine Health & Higher Educational Facilities Authority, 6.95%, 7/1/41






	 






	3,689,040










	 




	 




	 




	 




	 






	$








	9,136,290










	 




	 




	 




	 






	Maryland - 1.4%






	 




	 








	 






	3,000,000






	 




	 






	County of Frederick Maryland, 5.625%, 9/1/38








	$








	3,020,700










	 






	900,000






	 




	 






	Maryland Economic Development Corp., 5.0%, 12/1/16






	 






	820,764










	 






	400,000






	 




	 






	Maryland Economic Development Corp., 5.0%, 12/1/16






	 






	364,784










	 






	1,000,000






	 




	 






	Maryland Economic Development Corp., 5.0%, 12/1/31






	 






	684,690










	 






	1,200,000






	 




	 






	Maryland Economic Development Corp., 5.75%, 9/1/25






	 






	1,330,872










	 






	2,000,000






	 




	 






	Maryland Economic Development Corp., 6.2%, 9/1/22






	 






	2,455,680










	 






	4,400,000






	 




	 






	Maryland Health & Higher Educational Facilities Authority, 5.75%, 7/1/38






	 






	4,898,212










	 




	 




	 




	 




	 






	$








	13,575,702










	 




	 




	 




	 






	Massachusetts - 10.2%






	 




	 








	 






	4,000,000






	 




	 






	City of Pittsfield Massachusetts, 5.0%, 3/1/19








	$








	4,811,440










	 






	2,000,000






	 




	 






	Massachusetts Development Finance Agency, 4.0%, 10/1/35






	 






	2,059,040










	 






	2,500,000






	 




	 






	Massachusetts Development Finance Agency, 4.0%, 9/1/49






	 






	2,397,625










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 10/1/21






	 






	1,220,690










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 10/1/22






	 






	1,202,600










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 10/1/30






	 






	1,104,130










	 






	500,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 10/1/31






	 






	553,225










	 






	1,585,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 6/1/25






	 






	1,861,297










	 






	1,250,000






	 




	 






	Massachusetts Development Finance Agency, 5.0%, 9/1/50






	 






	1,367,862










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 5.125%, 7/1/26






	 






	1,112,590










	 






	235,000






	 




	 






	Massachusetts Development Finance Agency, 5.15%, 10/1/14






	 






	240,476










	 






	1,680,000






	 




	 






	Massachusetts Development Finance Agency, 5.25%, 10/1/29






	 






	1,780,061










	 






	3,320,000






	 




	 






	Massachusetts Development Finance Agency, 5.25%, 10/1/37






	 






	3,461,830










	 






	1,980,000






	 




	 






	Massachusetts Development Finance Agency, 5.375%, 4/1/41






	 






	2,210,947










	 






	500,000






	 




	 






	Massachusetts Development Finance Agency, 5.5%, 1/1/35






	 






	504,450










	 






	1,100,000






	 




	 






	Massachusetts Development Finance Agency, 5.625%, 10/1/24






	 






	1,135,200










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 5.7%, 10/1/34






	 






	1,026,220










	 






	6,185,000






	 




	 






	Massachusetts Development Finance Agency, 5.75%, 1/1/42






	 






	8,024,233










	 






	2,635,000






	 




	 






	Massachusetts Development Finance Agency, 6.25%, 10/15/17






	 






	2,871,201










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 6.75%, 1/1/36






	 






	1,205,490










	 






	1,000,000






	 




	 






	Massachusetts Development Finance Agency, 7.0%, 7/1/42






	 






	1,176,270










	 






	2,000,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 4.125%, 10/1/37






	 






	2,085,540










	 






	4,500,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 4.625%, 8/15/28






	 






	4,463,100










	 






	3,750,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 5.25%, 7/1/38






	 






	3,986,512










	 






	1,550,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 5.25%, 7/15/18






	 






	1,552,712










	 






	2,335,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 5.375%, 7/1/35






	 






	2,506,482










	 






	12,000,000






	 




	 






	Massachusetts Health & Educational Facilities Authority, 5.5%, 7/1/32






	 






	16,665,600










	 






	1,000,000






	 




	 






	Massachusetts Port Authority, 5.0%, 7/1/32






	 






	1,153,590










	 






	1,000,000






	 




	 






	Massachusetts Port Authority, 5.0%, 7/1/33






	 






	1,147,520










	 






	7,000,000






	 




	 






	Massachusetts School Building Authority, 5.0%, 8/15/29






	 






	8,268,890










	 






	3,975,000






	 




	 






	Massachusetts State College Building Authority, 5.0%, 5/1/28






	 






	4,617,122










	 






	2,000,000






	 




	 






	Town of Chatham Massachusetts, 3.5%, 6/15/37






	 






	1,996,680










	 






	4,500,000






	 




	 






	Town of Wilmington Massachusetts, 4.0%, 3/15/37






	 






	4,661,280










	 






	2,500,000






	 




	 






	University of Massachusetts Building Authority, 5.0%, 11/1/39






	 






	2,838,125










	 




	 




	 




	 




	 






	$








	97,270,030










	 




	 




	 




	 






	Michigan - 1.9%






	 




	 








	 






	3,000,000






	 




	 






	City of Detroit Michigan Water Supply System Revenue, 6.25%, 7/1/36








	$








	3,461,700










	 






	1,500,000






	 




	 






	John Tolfree Health System Corp., 6.0%, 9/15/23






	 






	1,491,915










	 






	1,405,000






	 




	 






	Meridian Economic Development Corp. Michigan, 5.25%, 7/1/26






	 






	1,405,464










	 






	3,285,000






	 




	 






	Michigan Public Educational Facilities Authority, 5.875%, 6/1/37






	 






	3,302,148










	 






	2,000,000






	 




	 






	Michigan State Hospital Finance Authority, 5.25%, 11/15/25






	 






	2,022,740










	 






	5,000,000






	 




	 






	Michigan State Hospital Finance Authority, 5.25%, 11/15/26






	 






	5,032,650










	 






	1,000,000






	 




	 






	Michigan State Hospital Finance Authority, 5.5%, 11/15/35






	 






	1,006,710










	 




	 




	 




	 




	 






	$








	17,723,327










	 




	 




	 




	 






	Mississippi - 1.3%






	 




	 








	 






	7,950,000






	 




	 






	County of Lowndes Mississippi, 6.8%, 4/1/22








	$








	9,523,305










	 






	2,750,000






	 




	 






	County of Warren Mississippi, 5.8%, 5/1/34






	 






	3,100,845










	 




	 




	 




	 




	 






	$








	12,624,150










	 




	 




	 




	 






	Missouri - 0.0%






	 




	 








	 






	80,000






	 




	 






	Missouri State Environmental Improvement & Energy Resources Authority, 5.125%, 1/1/20








	$








	80,320










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Montana - 0.3%






	 




	 








	 






	2,785,000






	 




	 






	City of Forsyth Montana, 5.0%, 3/1/31








	$








	2,816,610










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	New Hampshire - 1.1%






	 




	 








	 






	1,500,000






	 




	 






	New Hampshire Health & Education Facilities Authority, 4.0%, 10/1/33








	$








	1,523,745










	 






	5,000,000






	 




	 






	New Hampshire Health & Education Facilities Authority, 5.0%, 10/1/32






	 






	5,368,500










	 






	3,750,000






	 




	 






	New Hampshire Health & Education Facilities Authority, 5.0%, 10/1/37






	 






	3,968,288










	 




	 




	 




	 




	 






	$








	10,860,533










	 




	 




	 




	 






	New Jersey - 1.8%






	 




	 








	 






	1,250,000






	 




	 






	Camden County Improvement Authority, 5.75%, 2/15/34








	$








	1,312,512










	 






	475,000






	 




	 






	New Jersey Economic Development Authority, 5.3%, 11/1/26






	 






	476,454










	 






	450,000






	 




	 






	New Jersey Economic Development Authority, 5.375%, 11/1/36






	 






	430,119










	 






	610,000






	 




	 






	New Jersey Economic Development Authority, 5.75%, 1/1/25






	 






	617,405










	 






	3,000,000






	 




	 






	New Jersey Educational Facilities Authority, 5.0%, 7/1/39






	 






	3,507,600










	 






	5,115,000






	 




	 






	New Jersey Health Care Facilities Financing Authority, 5.25%, 7/1/30






	 






	5,389,369










	 






	3,500,000






	 




	 






	New Jersey Health Care Facilities Financing Authority, 7.25%, 7/1/27






	 






	3,501,015










	 






	2,000,000






	 




	 






	New Jersey Transportation Trust Fund Authority, 5.5%, 6/15/41






	 






	2,303,340










	 




	 




	 




	 




	 






	$








	17,537,814










	 




	 




	 




	 






	New Mexico - 0.1%






	 




	 








	 






	1,000,000






	 




	 






	County of Dona Ana New Mexico, 5.25%, 12/1/25








	$








	1,031,970










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	New York - 3.3%






	 




	 








	 






	2,500,000






	 




	 






	Albany Industrial Development Agency, 5.25%, 11/15/32








	$








	2,707,650










	 






	6,000,000






	 




	 






	New York State Dormitory Authority, 5.0%, 10/1/41






	 






	6,899,280










	 






	2,145,000






	 




	 






	New York State Dormitory Authority, 5.0%, 7/1/21






	 






	2,554,266










	 






	5,515,000






	 




	 






	New York State Dormitory Authority, 5.25%, 7/1/24






	 






	6,425,968










	 






	5,250,000






	 




	 






	New York State Dormitory Authority, 7.5%, 5/15/13






	 






	5,300,190










	 






	1,000,000






	 




	 






	Port Authority of New York & New Jersey, 6.0%, 12/1/36






	 






	1,168,400










	 






	3,400,000






	 




	 






	Port Authority of New York & New Jersey, 6.0%, 12/1/42






	 






	3,972,560










	 






	1,500,000






	 




	 






	Port Authority of New York & New Jersey, 6.125%, 6/1/94






	 






	1,825,755










	 




	 




	 




	 




	 






	$








	30,854,069










	 




	 




	 




	 






	North Carolina - 1.6%






	 




	 








	 






	12,000,000






	 




	 






	North Carolina Eastern Municipal Power Agency, 6.0%, 1/1/22








	$








	15,393,600










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Ohio - 4.0%






	 




	 








	 






	10,000,000






	 




	 






	Buckeye Tobacco Settlement Financing Authority, 5.75%, 6/1/34








	$








	8,891,000










	 






	6,000,000






	 




	 






	Buckeye Tobacco Settlement Financing Authority, 6.5%, 6/1/47






	 






	5,815,560










	 






	2,000,000






	 




	 






	City of Cincinnati Ohio Water System Revenue, 5.0%, 12/1/36






	 






	2,277,240










	 






	1,000,000






	 




	 






	City of Cincinnati Ohio Water System Revenue, 5.0%, 12/1/37






	 






	1,139,430










	 






	1,500,000






	 




	 






	County of Cuyahoga Ohio, 6.0%, 5/15/37






	 






	1,543,980










	 






	1,500,000






	 




	 






	County of Cuyahoga Ohio, 6.0%, 5/15/42






	 






	1,542,855










	 






	5,000,000






	 




	 






	County of Lake Ohio, 6.0%, 8/15/43






	 






	5,558,750










	 






	10,000,000






	 




	 






	JobsOhio Beverage System, 5.0%, 1/1/38






	 






	11,125,500










	 




	 




	 




	 




	 






	$








	37,894,315










	 




	 




	 




	 






	Oklahoma - 0.7%






	 




	 








	 






	5,590,000






	 




	 






	McGee Creek Authority, 6.0%, 1/1/23








	$








	6,449,239










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Oregon - 0.9%






	 




	 








	 






	3,000,000






	 




	 






	Deschutes & Jefferson Counties School District No 2J Redmond Oregon, 3.0%, 6/15/32








	$








	2,906,730










	 






	1,000,000






	 




	 






	Marion County School District No 5 Cascade, 4.0%, 6/15/19






	 






	1,157,880










	 






	2,000,000






	 




	 






	Multnomah County School District No 40, 0.0%, 6/15/30 (c)






	 






	1,098,760










	 






	2,000,000






	 




	 






	Multnomah County School District No 40, 0.0%, 6/15/31 (c)






	 






	1,044,420










	 






	1,715,000






	 




	 






	Multnomah County School District No 40, 0.0%, 6/15/32 (c)






	 






	852,063










	 






	1,000,000






	 




	 






	Oregon Health & Science University, 3.75%, 7/1/27






	 






	1,040,800










	 




	 




	 




	 




	 






	$








	8,100,653










	 




	 




	 




	 






	Pennsylvania - 5.1%






	 




	 








	 






	2,190,000






	 




	 






	Allentown Area Hospital Authority, 6.0%, 11/15/16








	$








	2,220,397










	 






	10,000,000






	 




	 






	Lehigh County Industrial Development Authority, 4.75%, 2/15/27






	 






	10,215,700










	 






	1,000,000






	 




	 






	Montgomery County Industrial Development Authority Pennsylvania, 5.0%, 12/1/24








	1,045,570










	 






	1,000,000






	 




	 






	Montgomery County Industrial Development Authority Pennsylvania, 5.0%, 12/1/30








	1,032,200










	 






	3,000,000






	 




	 






	Northampton County General Purpose Authority, 5.5%, 8/15/40






	 






	3,239,880










	 






	1,000,000






	 




	 






	Pennsylvania Higher Educational Facilities Authority, 5.0%, 7/1/42






	 






	1,045,150










	 






	1,000,000






	 




	 






	Pennsylvania Higher Educational Facilities Authority, 6.0%, 7/1/43






	 






	1,133,600










	 






	11,500,000








	0.86






	 






	Pennsylvania Higher Educational Facilities Authority, Floating Rate Note, 7/1/39








	8,624,655










	 






	5,000,000






	 




	 






	Pennsylvania Turnpike Commission, 5.3%, 12/1/41






	 






	5,434,550










	 






	2,000,000






	 




	 






	Philadelphia Hospitals & Higher Education Facilities Authority, 4.5%, 7/1/37






	 






	2,097,780










	 






	10,900,000






	 




	 






	Philadelphia Hospitals & Higher Education Facilities Authority, 5.0%, 7/1/34






	 






	11,281,173










	 






	1,000,000






	 




	 






	Sports & Exhibition Authority of Pittsburgh and Allegheny County, 5.0%, 2/1/30








	1,098,370










	 




	 




	 




	 




	 






	$








	48,469,025










	 




	 




	 




	 






	Puerto Rico - 0.6%






	 




	 








	 






	925,000






	 




	 






	Puerto Rico Public Buildings Authority, 5.25%, 7/1/33








	$








	868,936










	 






	75,000






	 




	 






	Puerto Rico Public Buildings Authority, 5.25%, 7/1/33 (Pre-Refunded)






	 






	79,688










	 






	5,000,000






	 




	 






	Puerto Rico Sales Tax Financing Corp., 5.25%, 8/1/57






	 






	5,133,600










	 




	 




	 




	 




	 






	$








	6,082,224










	 




	 




	 




	 






	Rhode Island - 0.6%






	 




	 








	 






	5,200,000






	 




	 






	Tobacco Settlement Financing Corp. Rhode Island, 6.25%, 6/1/42








	$








	5,356,000










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	South Carolina - 1.3%






	 




	 








	 






	8,265,000






	 




	 






	South Carolina State Public Service Authority, 5.0%, 12/1/43








	$








	9,087,285










	 






	2,500,000






	 




	 






	South Carolina Transportation Infrastructure Bank, 3.625%, 10/1/33






	 






	2,464,375










	 






	500,000






	 




	 






	State of South Carolina, 5.0%, 4/1/20






	 






	622,405










	 




	 




	 




	 




	 






	$








	12,174,065










	 




	 




	 




	 






	South Dakota - 0.1%






	 




	 








	 






	65,000






	 




	 






	South Dakota Conservancy District, 5.625%, 8/1/17 (Pre-Refunded)








	$








	65,291










	 






	1,000,000






	 




	 






	South Dakota Health & Educational Facilities Authority, 5.0%, 7/1/42






	 






	1,079,170










	 




	 




	 




	 




	 






	$








	1,144,461










	 




	 




	 




	 






	Tennessee - 0.5%






	 




	 








	 






	4,000,000






	 




	 






	Metropolitan Government of Nashville & Davidson County Tennessee, 4.0%, 7/1/24








	$








	4,515,960










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Texas - 7.0%






	 




	 








	 






	7,100,000






	 




	 






	Central Texas Regional Mobility Authority, 0.0%, 1/1/25 (c)








	$








	4,231,600










	 






	3,000,000






	 




	 






	Central Texas Regional Mobility Authority, 0.0%, 1/1/26 (c)






	 






	1,668,870










	 






	3,000,000






	 




	 






	Central Texas Regional Mobility Authority, 0.0%, 1/1/27 (c)






	 






	1,574,730










	 






	2,500,000






	 




	 






	Central Texas Regional Mobility Authority, 6.75%, 1/1/41






	 






	2,902,900










	 






	8,285,000






	 




	 






	Dallas Area Rapid Transit, 5.25%, 12/1/29






	 






	10,615,488










	 






	10,000,000






	 




	 






	Dallas County Utility & Reclamation District, 5.375%, 2/15/29






	 






	10,889,600










	 






	1,000,000






	 




	 






	Harris County Cultural Education Facilities Finance Corp., 5.0%, 6/1/28






	 






	1,100,430










	 






	1,000,000






	 




	 






	Harris County Cultural Education Facilities Finance Corp., 5.0%, 6/1/33






	 






	1,072,480










	 






	390,000






	 




	 






	Houston Higher Education Finance Corp., 5.0%, 5/15/40






	 






	439,725










	 






	20,000






	 




	 






	Lower Colorado River Authority, 5.25%, 5/15/21 (Pre-Refunded)






	 






	20,121










	 






	2,000,000






	 




	 






	North Texas Tollway Authority, 5.0%, 1/1/38






	 






	2,214,960










	 






	3,000,000






	 




	 






	Richardson Hospital Authority, 6.0%, 12/1/34






	 






	3,056,910










	 






	1,000,000






	 




	 






	Seguin Higher Education Facilities Corp., 5.0%, 9/1/23






	 






	1,023,170










	 






	5,000,000






	 




	 






	State of Texas, 5.0%, 8/1/27






	 






	5,949,850










	 






	4,000,000






	 




	 






	Texas Municipal Gas Acquisition & Supply Corp III, 5.0%, 12/15/31






	 






	4,239,800










	 






	10,410,000






	 




	 






	Texas Private Activity Bond Surface Transportation Corp., 7.0%, 6/30/40






	 






	12,559,353










	 






	2,255,000






	 




	 






	Texas State Public Finance Authority Charter School Finance Corp., 6.2%, 2/15/40








	2,660,269










	 




	 




	 




	 




	 






	$








	66,220,256










	 




	 




	 




	 






	Utah - 0.2%






	 




	 








	 






	1,115,000






	 




	 






	South Davis Recreational District, 4.0%, 1/1/24








	$








	1,257,965










	 






	500,000






	 




	 






	Utah State Charter School Finance Authority, 5.75%, 7/15/20






	 






	538,475










	 




	 




	 




	 




	 






	$








	1,796,440










	 




	 




	 




	 






	Vermont - 0.1%






	 




	 








	 






	1,295,000






	 




	 






	Vermont Educational & Health Buildings Financing Agency, 5.0%, 7/1/24








	$








	1,268,712










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Virginia - 3.9%






	 




	 








	 






	5,000,000






	 




	 






	Chesapeake Bay Bridge & Tunnel District, 5.5%, 7/1/25








	$








	5,815,800










	 






	1,500,000






	 




	 






	Prince William County Industrial Development Authority, 5.2%, 10/1/26 (Pre-Refunded)








	1,567,020










	 






	3,925,000






	 




	 






	Prince William County Industrial Development Authority, 5.35%, 10/1/36 (Pre-Refunded)








	4,103,352










	 






	13,990,000






	 




	 






	Tobacco Settlement Financing Corp. Virginia, 5.0%, 6/1/47






	 






	11,772,165










	 






	4,000,000






	 




	 






	University of Virginia, 5.0%, 6/1/37






	 






	4,704,560










	 






	7,500,000






	 




	 






	Washington County Industrial Development Authority Virginia, 7.75%, 7/1/38








	9,210,225










	 




	 




	 




	 




	 






	$








	37,173,122










	 




	 




	 




	 






	Washington - 7.6%






	 




	 








	 






	10,000,000






	 




	 






	City of Seattle Washington, 4.0%, 9/1/37








	$








	10,356,900










	 






	10,000,000






	 




	 






	FYI Properties, 5.5%, 6/1/39






	 






	11,142,600










	 






	1,000,000






	 




	 






	King & Snohomish Counties School District No. 417 Northshore, 5.0%, 12/1/30








	1,168,950










	 






	1,000,000






	 




	 






	King & Snohomish Counties School District No. 417 Northshore, 5.0%, 12/1/31








	1,164,570










	 






	10,000,000






	 




	 






	King County Housing Authority, 5.5%, 5/1/38






	 






	10,896,100










	 






	3,000,000






	 




	 






	King County Public Hospital District No. 1, 5.25%, 12/1/37






	 






	3,299,310










	 






	1,000,000






	 




	 






	Pierce County School District No. 3 Puyallup, 5.0%, 12/1/23






	 






	1,223,730










	 






	10,500,000






	 




	 






	Tobacco Settlement Authority of Washington, 6.625%, 6/1/32






	 






	10,722,495










	 






	5,600,000






	 




	 






	University of Washington, 5.0%, 6/1/37






	 






	6,281,240










	 






	1,000,000






	 




	 






	Washington Health Care Facilities Authority, 4.25%, 10/1/37






	 






	1,029,180










	 






	2,400,000






	 




	 






	Washington Health Care Facilities Authority, 6.125%, 8/15/37






	 






	2,621,088










	 






	4,000,000






	 




	 






	Washington Health Care Facilities Authority, 6.5%, 11/15/33 (Pre-Refunded)






	 






	4,398,920










	 






	5,000,000








	5.25






	 






	Washington Health Care Facilities Authority, Floating Rate Note, 10/1/33






	 






	5,463,600










	 






	2,045,000






	 




	 






	Washington State Housing Finance Commission, 5.25%, 1/1/17






	 






	2,086,718










	 




	 




	 




	 




	 






	$








	71,855,401










	 




	 




	 




	 






	Wisconsin - 0.5%






	 




	 








	 






	1,430,000






	 




	 






	Adams-Friendship Area School District, 6.5%, 4/1/16








	$








	1,660,559










	 






	3,000,000






	 




	 






	Wisconsin Health & Educational Facilities Authority, 5.125%, 8/15/35






	 






	3,261,660










	 




	 




	 




	 




	 






	$








	4,922,219










	 




	 




	 




	 






	Wyoming - 0.1%






	 




	 








	 






	1,000,000






	 




	 






	County of Laramie Wyoming, 5.0%, 5/1/37








	$








	1,087,970










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	TOTAL MUNICIPAL BONDS






	 




	 








	 




	 




	 




	 






	(Cost $846,288,928)








	$








	928,199,036










	 






	Shares






	 




	 




	 




	 




	 








	 




	 




	 




	 






	TEMPORARY CASH INVESTMENTS - 0.8%






	 




	 








	 






	8,000,000






	 




	 






	BlackRock Liquidity Funds MuniFund Portfolio








	$








	8,000,000










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	TOTAL TEMPORARY CASH INVESTMENTS






	 




	 








	 




	 




	 




	 






	(Cost $8,000,000)








	$








	8,000,000










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	TOTAL INVESTMENT IN SECURITIES - 98.6%








	$








	936,839,036










	 




	 




	 




	 






	(Cost $854,928,928) (a)






	 




	 








	 




	 




	 




	 






	OTHER ASSETS & LIABILITIES - 1.4%








	$








	12,823,973










	 




	 




	 




	 






	TOTAL NET ASSETS - 100.0%








	$








	949,663,009










	 




	 




	 




	 




	 




	 




	 








	 






	*






	 




	 






	Non-income producing security.






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 






	(Pre-Refunded)






	 






	Pre-refunded bonds have been collateralized by U.S. Treasury securities which are held in escrow and used to pay principal and interest on the tax-exempt issue and to retire the bonds in full at the earliest refunding date.










	 




	 




	 




	 




	 




	 




	 








	 






	(144A)






	 




	 






	Security is exempt from registration under Rule 144A of the Securities Act of 1933.  Such securities may be resold normally to qualified institutional buyers in a transaction exempt from registration.  At March 31, 2013, the value of these securities amounted to $640,000 or 0.1% of total net assets.










	 




	 




	 




	 




	 




	 




	 








	 






	(a)






	 




	 






	At March 31, 2013, the net unrealized gain on investments based on










	 




	 




	 




	 






	cost for federal income tax purposes of $852,430,162 was as follows:






	 




	 








	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Aggregate gross unrealized gain for all investments in which






	 




	 








	 




	 




	 




	 






	there is an excess of value over tax cost








	$








	91,962,295










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Aggregate gross unrealized loss for all investments in which






	 




	 








	 




	 




	 




	 






	there is an excess of tax cost over value






	 






	(7,553,421)










	 




	 




	 




	 




	 




	 




	 








	 




	 




	 




	 






	Net unrealized gain








	$








	84,408,874











	 




	 




	 




	 




	 




	 




	 








	 






	(b)






	 




	 






	Debt obligation with a variable interest rate.  Rate shown is rate at end of period.










	 




	 




	 




	 




	 




	 




	 








	 






	(c)






	 




	 






	Security issued with a zero coupon. Income is recognized through accretion of discount.










	 




	 




	 




	 




	 




	 




	 










	Various inputs are used in determining the value of the Fund’s investments.  These inputs are summarized in the three broad levels listed below.










	 




	 




	 




	 




	 




	 




	 










	Level 1 – quoted prices in active markets for identical securities






	 




	 










	Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.) See Notes to Financial Statements - Note 1A.












	Level 3 – significant unobservable inputs (including the Fund’s own assumptions in determining fair value of investments) See Notes to Financial Statements - Note 1A.










	 




	 




	 




	 




	 




	 




	 










	Generally, equity securities are categorized as Level 1, fixed income securities and senior loans as Level 2 and securities valued












	using fair value methods (other than prices supplied by independent pricing services) as Level 3.  See Notes to Financial Statements - Note 1A.










	 




	 




	 




	 




	 




	 




	 










	The following is a summary of the inputs used as of March 31, 2013, in valuing the Fund’s investments:






	 




	 

























	 







	 














	 




	 






	Level 1






	 




	 






	Level 2






	 




	 






	Level 3






	 




	 






	Total






	 










	Common Stocks






	 




	$




	640,000




	 




	 




	$




	-




	 




	 




	$




	-




	 




	 




	$




	640,000




	 










	Municipal Bonds






	 




	 




	-




	 




	 




	 




	928,199,036




	 




	 




	 




	-




	 




	 




	 




	928,199,036




	 










	Temporary Cash Investments






	 




	 




	-




	 




	 




	 




	8,000,000




	 




	 




	 




	-




	 




	 




	 




	8,000,000




	 










	Total






	 




	$




	640,000




	 




	 




	$




	936,199,036




	 




	 




	$




	-




	 




	 




	$




	936,839,036




	 

















	 










	 











	 
















	 











	 












	ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive and principal financial officers, or persons performing similar functions, regarding the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR 270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR 240.13a-15(b) or 240.15d-15(b)). The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on their evaluation of these controls and procedures as of a date within 90 days of the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the Act (17 CFR 270.30a-2(a)). Filed herewith. <PAGE> SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer Series Trust II By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr, President Date May 30, 2013 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr., President Date May 30, 2013 By (Signature and Title)* /s/ Mark Bradley Mark Bradley, Treasurer Date May 30, 2013 * Print the name and title of each signing officer under his or her signature.


		
			
				

					

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