Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited)
Asset-Backed Securities — 10.6%
Security Principal
Amount
(000's omitted) 		Value
Ares XXXIIR CLO, Ltd., Series 2014-32RA, Class D, 11.476%, (3 mo. SOFR + 6.11%), 5/15/30(1)(2) $     1,000 $    872,270
Ares XXXIV CLO, Ltd., Series 2015-2A, Class ER, 12.42%, (3 mo. SOFR + 7.11%), 4/17/33(1)(2)         550     501,461
Benefit Street Partners CLO XIX, Ltd., Series 2019-19A, Class E, 12.59%, (3 mo. SOFR + 7.28%), 1/15/33(1)(2)         750     736,000
Benefit Street Partners CLO XVIII, Ltd., Series 2019-18A, Class ER, 12.32%, (3 mo. SOFR + 7.01%), 10/15/34(1)(2)         500     493,702
BlueMountain CLO XXVI, Ltd., Series 2019-26A, Class ER, 12.718%, (3 mo. SOFR + 7.39%), 10/20/34(1)(2)       1,000     954,869
Canyon Capital CLO, Ltd., Series 2019-2A, Class ER, 12.32%, (3 mo. SOFR + 7.01%), 10/15/34(1)(2)         400     372,656
Carlyle Global Market Strategies CLO, Ltd.:       
Series 2012-3A, Class DR2, 12.073%, (3 mo. SOFR + 6.76%), 1/14/32(1)(2)         600     500,081
Series 2015-5A, Class DR, 12.288%, (3 mo. SOFR + 6.96%), 1/20/32(1)(2)         500     436,799
Cedar Funding X CLO, Ltd., Series 2019-10A, Class ER, 12.088%, (3 mo. SOFR + 6.76%), 10/20/32(1)(2)         500     449,104
Galaxy XV CLO, Ltd., Series 2013-15A, Class ER, 12.215%, (3 mo. SOFR + 6.91%), 10/15/30(1)(2)         500     467,362
Galaxy XXI CLO, Ltd., Series 2015-21A, Class ER, 10.838%, (3 mo. SOFR + 5.51%), 4/20/31(1)(2)         500     451,684
Golub Capital Partners CLO 23M, Ltd., Series 2015-23A, Class ER, 11.338%, (3 mo. SOFR + 6.01%), 1/20/31(1)(2)         600     557,534
Neuberger Berman Loan Advisers CLO 31, Ltd., Series 2019-31A, Class ER, 12.088%, (3 mo. SOFR + 6.76%), 4/20/31(1)(2)         500     477,833
Palmer Square CLO, Ltd.:       
Series 2013-2A, Class DRR, 11.42%, (3 mo. SOFR + 6.11%), 10/17/31(1)(2)         450     421,187
Series 2019-1A, Class DR, 12.131%, (3 mo. SOFR + 6.76%), 11/14/34(1)(2)         500     488,721
RAD CLO 7, Ltd., Series 2020-7A, Class E, 12.07%, (3 mo. SOFR + 6.76%), 4/17/33(1)(2)         575     568,658
Regatta XIV Funding, Ltd., Series 2018-3A, Class E, 11.563%, (3 mo. SOFR + 6.21%), 10/25/31(1)(2)         300     276,963
Regatta XVI Funding, Ltd., Series 2019-2A, Class E, 12.57%, (3 mo. SOFR + 7.26%), 1/15/33(1)(2)         500     502,479
Vibrant CLO X, Ltd., Series 2018-10A, Class D, 11.778%, (3 mo. SOFR + 6.45%), 10/20/31(1)(2)         375     288,615
Vibrant CLO XI, Ltd., Series 2019-11A, Class D, 12.358%, (3 mo. SOFR + 7.03%), 7/20/32(1)(2)         500      433,621
Security Principal
Amount
(000's omitted) 		Value
Voya CLO, Ltd., Series 2013-1A, Class DR, 12.05%, (3 mo. SOFR + 6.74%), 10/15/30(1)(2) $     1,000 $    764,854
Wellfleet CLO, Ltd., Series 2020-1A, Class D, 12.81%, (3 mo. SOFR + 7.50%), 4/15/33(1)(2)         550     496,878
Total Asset-Backed Securities
(identified cost $12,531,300) 		    $ 11,513,331
    
Closed-End Funds — 3.0%
Security Shares Value
BlackRock Floating Rate Income Strategies Fund, Inc.      49,400 $    623,428
Invesco Senior Income Trust     178,510     699,759
Nuveen Credit Strategies Income Fund     180,539     913,527
Nuveen Floating Rate Income Fund     123,571   1,014,518
Total Closed-End Funds
(identified cost $4,361,226) 		    $  3,251,232
    
Common Stocks — 0.9%
Security Shares Value
Aerospace and Defense — 0.0%
IAP Worldwide Services, LLC(3)(4)(5)          28 $          0
      $          0
Commercial Services & Supplies — 0.2%
Monitronics International, Inc.(4)(5)       4,716 $     99,036
Phoenix Services International, LLC(4)(5)       7,568      75,680
Phoenix Services International, LLC(4)(5)         690       6,900
      $    181,616
Electronics/Electrical — 0.0%(6)
Skillsoft Corp.(4)(5)      25,137 $     22,281
      $     22,281
Entertainment — 0.2%
New Cineworld, Ltd.(4)(5)       7,709 $    182,447
      $    182,447
Household Durables — 0.5%
Serta Simmons Bedding, Inc.(4)(5)      35,996 $    533,191
Serta SSB Equipment Co.(3)(4)(5)      35,996           0
      $    533,191
 
1
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Security Shares Value
Investment Companies — 0.0%(6)
Aegletes B.V.(4)(5)       6,311 $     15,225
Jubilee Topco, Ltd., Class A(3)(4)(5)     995,275           0
      $     15,225
Pharmaceuticals — 0.0%(6)
Covis Midco 1 S.a.r.l., Class A(4)(5)         147 $         75
Covis Midco 1 S.a.r.l., Class B(4)(5)         147          75
Covis Midco 1 S.a.r.l., Class C(4)(5)         147          75
Covis Midco 1 S.a.r.l., Class D(4)(5)         147          75
Covis Midco 1 S.a.r.l., Class E(4)(5)         147          75
      $        375
Retailers (Except Food and Drug) — 0.0%(6)
Phillips Feed Service, Inc.(3)(4)(5)         269 $     12,839
      $     12,839
Telecommunications — 0.0%
Global Eagle Entertainment(3)(4)(5)      21,114 $          0
      $          0
Total Common Stocks
(identified cost $1,838,210) 		    $    947,974
    
Corporate Bonds — 6.4%
Security Principal
Amount
(000's omitted) 		Value
Aerospace and Defense — 0.1%
TransDigm, Inc., 4.875%, 5/1/29 $       135 $    118,783
      $    118,783
Automotive — 0.5%
Clarios Global, L.P./Clarios U.S. Finance Co., 8.50%, 5/15/27(1) $       500 $    499,503
      $    499,503
Building and Development — 0.2%
Smyrna Ready Mix Concrete, LLC, 6.00%, 11/1/28(1) $       135 $    124,787
Standard Industries, Inc., 4.75%, 1/15/28(1)         135     121,939
      $    246,726
Business Equipment and Services — 1.0%
GEMS MENASA Cayman, Ltd./GEMS Education Delaware, LLC, 7.125%, 7/31/26(1) $       500 $    486,932
Security Principal
Amount
(000's omitted) 		Value
Business Equipment and Services (continued)
Prime Security Services Borrower, LLC/Prime Finance, Inc.:       
5.25%, 4/15/24(1) $       260 $    258,486
5.75%, 4/15/26(1)         325     315,649
      $  1,061,067
Cable and Satellite Television — 0.1%
CCO Holdings, LLC/CCO Holdings Capital Corp., 4.50%, 8/15/30(1) $       135 $    110,986
      $    110,986
Chemicals and Plastics — 0.5%
NOVA Chemicals Corp., 4.875%, 6/1/24(1) $       500 $    491,707
      $    491,707
Cosmetics/Toiletries — 0.1%
Edgewell Personal Care Co., 5.50%, 6/1/28(1) $       135 $    124,868
      $    124,868
Distribution & Wholesale — 0.4%
BCPE Empire Holdings, Inc., 7.625%, 5/1/27(1) $       135 $    128,381
Performance Food Group, Inc., 5.50%, 10/15/27(1)         300     284,504
      $    412,885
Diversified Financial Services — 0.1%
VistaJet Malta Finance PLC/Vista Management Holding, Inc., 6.375%, 2/1/30(1) $       135 $    104,493
      $    104,493
Engineering & Construction — 0.1%
TopBuild Corp., 3.625%, 3/15/29(1) $       135 $    115,098
      $    115,098
Entertainment — 0.5%
Caesars Entertainment, Inc., 8.125%, 7/1/27(1) $       500 $    502,763
      $    502,763
Financial Intermediaries — 0.4%
Ford Motor Credit Co., LLC, 3.815%, 11/2/27 $       500 $    445,753
      $    445,753
 
2
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Security Principal
Amount
(000's omitted) 		Value
Food Service — 0.1%
Albertsons Cos., Inc./Safeway, Inc./New Albertsons L.P./Albertsons, LLC, 3.50%, 3/15/29(1) $       135 $    115,218
      $    115,218
Health Care — 0.7%
Centene Corp., 3.375%, 2/15/30 $       129 $    107,742
LifePoint Health, Inc., 5.375%, 1/15/29(1)         135      94,433
Tenet Healthcare Corp., 6.875%, 11/15/31         500     479,918
US Acute Care Solutions, LLC, 6.375%, 3/1/26(1)         135     116,313
      $    798,406
Home Furnishings — 0.1%
Tempur Sealy International, Inc., 4.00%, 4/15/29(1) $       135 $    112,811
      $    112,811
Insurance — 0.1%
Alliant Holdings Intermediate, LLC/Alliant Holdings Co-Issuer, 6.75%, 10/15/27(1) $       100 $     93,106
      $     93,106
Leisure Goods/Activities/Movies — 0.1%
Viking Cruises, Ltd., 5.875%, 9/15/27(1) $       135 $    123,354
      $    123,354
Media — 0.3%
Audacy Capital Corp., 6.50%, 5/1/27(1) $       135 $      2,901
Diamond Sports Group, LLC/Diamond Sports Finance Co., 5.375%, 8/15/26(1)(7)           0(8)           4
iHeartCommunications, Inc.:       
6.375%, 5/1/26         102      88,318
8.375%, 5/1/27         185     133,277
Sirius XM Radio, Inc., 4.00%, 7/15/28(1)         135     115,370
      $    339,870
Oil and Gas — 0.1%
Permian Resources Operating, LLC, 5.375%, 1/15/26(1) $       135 $    129,383
      $    129,383
Pipelines — 0.1%
EQM Midstream Partners, L.P., 4.75%, 1/15/31(1) $       135 $    116,356
      $    116,356
Security Principal
Amount
(000's omitted) 		Value
Real Estate Investment Trusts (REITs) — 0.1%
HAT Holdings I, LLC/HAT Holdings II, LLC, 3.375%, 6/15/26(1) $       135 $    120,138
      $    120,138
Technology — 0.1%
athenahealth Group, Inc., 6.50%, 2/15/30(1) $       135 $    113,082
      $    113,082
Utilities — 0.4%
NRG Energy, Inc., 3.625%, 2/15/31(1) $       500 $    379,895
      $    379,895
Wireless Telecommunication Services — 0.2%
Digicel International Finance, Ltd./Digicel International Holdings, Ltd., 8.75%, 5/25/24(1) $       275 $    247,985
      $    247,985
Total Corporate Bonds
(identified cost $7,385,777) 		    $  6,924,236
    
Senior Floating-Rate Loans — 127.9%(9)
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Aerospace and Defense — 2.2%
Aernnova Aerospace S.A.U.:       
Term Loan, 6.783%, (3 mo. EURIBOR + 3.00%), 2/26/27 EUR       696 $    724,948
Term Loan, 6.934%, (3 mo. EURIBOR + 3.00%), 2/26/27 EUR       179     185,884
Dynasty Acquisition Co., Inc.:       
Term Loan, 9.316%, (SOFR + 4.00%), 8/24/28         140     139,598
Term Loan, 9.316%, (SOFR + 4.00%), 8/24/28          60      59,828
IAP Worldwide Services, Inc., Term Loan - Second Lien, 12.152%, (SOFR + 6.50%), 7/18/23(3)         202     155,709
WP CPP Holdings, LLC, Term Loan, 9.27%, (SOFR + 3.75%), 4/30/25       1,158   1,093,651
      $  2,359,618
Airlines — 1.1%
American Airlines, Inc., Term Loan, 10.338%, (SOFR + 4.75%), 4/20/28         879 $    906,706
Mileage Plus Holdings, LLC, Term Loan, 10.798%, (SOFR + 5.25%), 6/21/27         263     273,197
      $  1,179,903
 
3
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Auto Components — 2.6%
Adient US, LLC, Term Loan, 8.681%, (SOFR + 3.25%), 4/10/28         322 $    322,824
Clarios Global, L.P., Term Loan, 9.066%, (SOFR + 3.75%), 5/6/30         625     625,078
DexKo Global, Inc.:       
Term Loan, 7.972%, (3 mo. EURIBOR + 4.00%), 10/4/28 EUR        70      72,379
Term Loan, 7.972%, (3 mo. EURIBOR + 4.00%), 10/4/28 EUR       155     161,578
Term Loan, 9.402%, (SOFR + 3.75%), 10/4/28         197     192,537
Garrett LX I S.a.r.l., Term Loan, 8.881%, (SOFR + 3.25%), 4/30/28         343     342,142
Garrett Motion, Inc., Term Loan, 10.131%, (SOFR + 4.50%), 4/30/28         196     196,920
LTI Holdings, Inc., Term Loan, 10.181%, (SOFR + 4.75%), 7/24/26         270     264,036
RealTruck Group, Inc., Term Loan, 1/31/28(10)         200     196,000
Truck Hero, Inc., Term Loan, 9.181%, (SOFR + 3.75%), 1/31/28         495     474,096
      $  2,847,590
Automobiles — 0.7%
MajorDrive Holdings IV, LLC:       
Term Loan, 9.652%, (SOFR + 4.00%), 6/1/28         318 $    315,305
Term Loan, 11.04%, (SOFR + 5.50%), 6/1/29         419     417,578
      $    732,883
Beverages — 1.3%
Arterra Wines Canada, Inc., Term Loan, 9.152%, (SOFR + 3.50%), 11/24/27         486 $    468,711
City Brewing Company, LLC, Term Loan, 9.07%, (SOFR + 3.50%), 4/5/28         318     211,239
Triton Water Holdings, Inc., Term Loan, 8.902%, (SOFR + 3.25%), 3/31/28         733     718,529
      $  1,398,479
Biotechnology — 0.3%
Alkermes, Inc., Term Loan, 7.945%, (SOFR + 2.50%), 3/12/26         180 $    177,880
Alltech, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 10/13/28         123     119,435
      $    297,315
Building Products — 2.0%
Cornerstone Building Brands, Inc., Term Loan, 8.682%, (SOFR + 3.25%), 4/12/28         904 $    882,565
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Building Products (continued)
LHS Borrower, LLC, Term Loan, 10.06%, (SOFR + 4.75%), 2/16/29         289 $    264,622
MI Windows and Doors, LLC, Term Loan, 8.916%, (SOFR + 3.50%), 12/18/27         537     537,958
Oscar AcquisitionCo, LLC, Term Loan, 9.99%, (SOFR + 4.50%), 4/29/29         223     220,578
Standard Industries, Inc., Term Loan, 7.938%, (SOFR + 2.50%), 9/22/28         280     280,642
      $  2,186,365
Capital Markets — 4.6%
Advisor Group, Inc., Term Loan, 9.816%, (SOFR + 4.50%), 8/17/28         496 $    496,971
AllSpring Buyer, LLC, Term Loan, 8.65%, (SOFR + 3.25%), 11/1/28         393     389,273
Aretec Group, Inc.:       
Term Loan, 9.666%, (SOFR + 4.25%), 10/1/25         742     743,020
Term Loan, 9.916%, (SOFR + 4.50%), 8/9/30         200     198,453
Citadel Securities, L.P., Term Loan, 7.931%, (SOFR + 2.50%), 7/29/30         200     199,344
Edelman Financial Center, LLC, Term Loan, 8.931%, (SOFR + 3.50%), 4/7/28         440     436,108
EIG Management Company, LLC, Term Loan, 9.166%, (SOFR + 3.75%), 2/22/25         118     118,125
FinCo I, LLC, Term Loan, 8.369%, (SOFR + 3.00%), 6/27/29         349     349,780
Focus Financial Partners, LLC:       
Term Loan, 7.816%, (SOFR + 2.50%), 6/30/28         489     488,194
Term Loan, 8.816%, (SOFR + 3.50%), 6/30/28         175     175,109
HighTower Holdings, LLC, Term Loan, 9.612%, (SOFR + 4.00%), 4/21/28         744     742,443
Hudson River Trading, LLC, Term Loan, 8.631%, (SOFR + 3.00%), 3/20/28         538     535,498
Mariner Wealth Advisors, LLC, Term Loan, 8.901%, (SOFR + 3.25%), 8/18/28         123     121,604
      $  4,993,922
Chemicals — 7.7%
Aruba Investments, Inc.:       
Term Loan, 7.858%, (1 mo. EURIBOR + 4.00%), 11/24/27 EUR       244 $    246,752
Term Loan, 9.416%, (SOFR + 4.00%), 11/24/27         341     335,739
Axalta Coating Systems U.S. Holdings, Inc., Term Loan, 12/20/29(10)         600     601,834
Charter NEX US, Inc., Term Loan, 9.181%, (SOFR + 3.75%), 12/1/27         469      465,645
 
4
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Chemicals (continued)
CPC Acquisition Corp., Term Loan, 9.402%, (SOFR + 3.75%), 12/29/27         326 $    270,588
Gemini HDPE, LLC, Term Loan, 8.631%, (SOFR + 3.00%), 12/31/27         336     335,607
Groupe Solmax, Inc., Term Loan, 10.30%, (SOFR + 4.75%), 5/29/28(11)         440     413,116
INEOS Enterprises Holdings US Finco, LLC, Term Loan, 9.273%, (SOFR + 3.75%), 6/23/30         150     149,437
INEOS Finance PLC, Term Loan, 6.608%, (1 mo. EURIBOR + 2.75%), 11/8/28 EUR       175     182,128
INEOS Quattro Holdings UK, Ltd.:       
Term Loan, 7.858%, (1 mo. EURIBOR + 4.00%), 3/14/30 EUR        75      78,521
Term Loan, 9.166%, (SOFR + 3.75%), 3/14/30         125     124,532
INEOS Styrolution US Holding, LLC, Term Loan, 8.181%, (SOFR + 2.75%), 1/29/26         978     975,667
INEOS US Finance, LLC:       
Term Loan, 7.916%, (SOFR + 2.50%), 11/8/28         148     146,681
Term Loan, 8.916%, (SOFR + 3.50%), 2/18/30         224     223,315
Term Loan, 9.166%, (SOFR + 3.75%), 11/8/27         498     496,256
Kraton Corporation, Term Loan, 8.921%, (SOFR + 3.25%), 3/15/29         421     415,729
Lonza Group AG, Term Loan, 9.415%, (SOFR + 3.93%), 7/3/28         709     631,200
Momentive Performance Materials, Inc., Term Loan, 9.816%, (SOFR + 4.50%), 3/29/28         398     388,747
Olympus Water US Holding Corporation, Term Loan, 9.402%, (SOFR + 3.75%), 11/9/28         688     680,102
Orion Engineered Carbons GmbH, Term Loan, 7.64%, (SOFR + 2.15%), 9/24/28          98      97,449
Rohm Holding GmbH, Term Loan, 10.881%, (SOFR + 5.00%), 7/31/26         440     414,046
SCUR-Alpha 1503 GmbH, Term Loan, 10.869%, (SOFR + 5.50%), 3/29/30         149     138,430
Starfruit Finco B.V., Term Loan, 9.347%, (SOFR + 4.00%), 4/3/28         175     172,708
Tronox Finance, LLC, Term Loan, 8.832%, (SOFR + 3.50%), 8/16/28         150     148,828
W.R. Grace & Co.-Conn., Term Loan, 9.402%, (SOFR + 3.75%), 9/22/28         295     293,866
      $  8,426,923
Commercial Services & Supplies — 5.3%
Allied Universal Holdco, LLC, Term Loan, 9.166%, (SOFR + 3.75%), 5/12/28         990 $    958,233
Belfor Holdings, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 4/6/26         239      239,824
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Commercial Services & Supplies (continued)
EnergySolutions, LLC, Term Loan, 9.324%, (SOFR + 4.00%), 9/22/30       1,572 $  1,563,680
Garda World Security Corporation, Term Loan, 9.746%, (SOFR + 4.25%), 10/30/26         495     495,693
GFL Environmental, Inc., Term Loan, 7.824%, (SOFR + 2.50%), 5/31/27          14      13,889
LABL, Inc., Term Loan, 10.416%, (SOFR + 5.00%), 10/29/28         172     171,772
Monitronics International, Inc., Term Loan, 13.078%, (SOFR + 7.50%), 6/30/28         260     262,883
PECF USS Intermediate Holding III Corporation, Term Loan, 9.881%, (SOFR + 4.25%), 12/15/28         442     356,210
Phoenix Services International, LLC, Term Loan, 11.416%, (SOFR + 6.10%), 6/30/28          91      84,719
SITEL Worldwide Corporation, Term Loan, 9.181%, (SOFR + 3.75%), 8/28/28         884     861,982
Tempo Acquisition, LLC, Term Loan, 8.07%, (SOFR + 3.00%), 8/31/28         495     495,445
TruGreen Limited Partnership, Term Loan, 9.416%, (SOFR + 4.00%), 11/2/27         292     278,439
      $  5,782,769
Communications Equipment — 0.1%
Digi International, Inc., Term Loan, 10.431%, (SOFR + 5.00%), 11/1/28          76 $     76,295
      $     76,295
Construction Materials — 0.9%
Quikrete Holdings, Inc., Term Loan, 8.181%, (SOFR + 2.75%), 3/19/29         985 $    986,026
      $    986,026
Consumer Staples Distribution & Retail — 0.3%
Cardenas Markets, Inc., Term Loan, 12.24%, (SOFR + 6.75%), 8/1/29         124 $    124,437
Peer Holding III B.V., Term Loan, 7.722%, (3 mo. EURIBOR + 3.75%), 9/29/28 EUR       150     158,637
      $    283,074
Containers & Packaging — 1.5%
Berlin Packaging, LLC, Term Loan, 9.204%, (SOFR + 3.75%), 3/11/28(11)         517 $    512,864
Clydesdale Acquisition Holdings, Inc., Term Loan, 9.591%, (SOFR + 4.18%), 4/13/29         643     635,166
Pretium PKG Holdings, Inc.:       
Term Loan, 9.509%, (SOFR + 4.00%), 10/2/28(11)         147       91,078
 
5
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Containers & Packaging (continued)
Pretium PKG Holdings, Inc.: (continued)      
Term Loan - Second Lien, 12.236%, (SOFR + 6.75%), 10/1/29(11)         100 $     32,167
Trident TPI Holdings, Inc., Term Loan, 9.89%, (SOFR + 4.50%), 9/15/28         355     354,957
      $  1,626,232
Distributors — 0.7%
Autokiniton US Holdings, Inc., Term Loan, 9.931%, (SOFR + 4.50%), 4/6/28         733 $    719,379
Phillips Feed Service, Inc., Term Loan, 12.32%, (SOFR + 7.00%), 11/13/24(3)          49      39,116
      $    758,495
Diversified Consumer Services — 0.9%
Ascend Learning, LLC, Term Loan, 8.916%, (SOFR + 3.50%), 12/11/28         172 $    164,200
KUEHG Corp., Term Loan, 10.39%, (SOFR + 5.00%), 6/12/30         625     626,875
Sotheby's, Term Loan, 10.07%, (SOFR + 4.50%), 1/15/27         202     197,630
      $    988,705
Diversified Financial Services — 0.9%
Concorde Midco, Ltd., Term Loan, 7.892%, (6 mo. EURIBOR + 4.00%), 3/1/28 EUR       250 $    263,569
Sandy BidCo B.V., Term Loan, 7.338%, (3 mo. EURIBOR + 3.75%), 8/17/29 EUR       275     288,808
Zephyr Bidco Limited, Term Loan, 9.968%, (SONIA + 4.75%), 7/23/25 GBP       350     423,654
      $    976,031
Diversified Telecommunication Services — 1.7%
Altice France S.A., Term Loan, 10.808%, (SOFR + 5.50%), 8/15/28         443 $    401,795
GEE Holdings 2, LLC:       
Term Loan, 13.50%, (SOFR + 8.00%), 3/24/25         186     182,611
Term Loan - Second Lien, 13.648%, (SOFR + 8.25%), 3/23/26         420     251,986
Virgin Media Bristol, LLC, Term Loan, 8.697%, (SOFR + 3.25%), 1/31/29       1,075   1,052,408
      $  1,888,800
Electrical Equipment — 0.3%
AZZ, Inc., Term Loan, 9.066%, (SOFR + 3.75%), 5/13/29         299 $    300,147
      $    300,147
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Electronic Equipment, Instruments & Components — 2.2%
Chamberlain Group, Inc., Term Loan, 8.66%, (SOFR + 3.25%), 11/3/28         393 $    387,883
Creation Technologies, Inc., Term Loan, 11.03%, (SOFR + 5.50%), 10/5/28         396     375,957
Ingram Micro, Inc., Term Loan, 6/30/28(10)         600     598,500
Mirion Technologies, Inc., Term Loan, 8.402%, (SOFR + 2.75%), 10/20/28         146     146,549
Verifone Systems, Inc., Term Loan, 9.653%, (SOFR + 4.00%), 8/20/25         496     462,710
Verisure Holding AB, Term Loan, 6.972%, (3 mo. EURIBOR + 3.00%), 3/27/28 EUR       375     393,095
      $  2,364,694
Energy Equipment & Services — 0.0%(6)
Ameriforge Group, Inc., Term Loan, 16.713%, (SOFR + 13.00%), 12/29/23(3)(12)          25 $     19,727
      $     19,727
Engineering & Construction — 1.0%
Aegion Corporation, Term Loan, 10.181%, (SOFR + 4.75%), 5/17/28         298 $    296,879
American Residential Services, LLC, Term Loan, 9.152%, (SOFR + 3.50%), 10/15/27         267     267,103
Northstar Group Services, Inc., Term Loan, 10.931%, (SOFR + 5.50%), 11/12/26         582     583,082
      $  1,147,064
Entertainment — 1.1%
Crown Finance US, Inc., Term Loan, 14.381%, (SOFR + 8.50%), 7/31/28         165 $    169,218
EP Purchaser, LLC, Term Loan, 9.152%, (SOFR + 3.50%), 11/6/28          99      97,392
Renaissance Holding Corp.:       
Term Loan, 10.066%, (SOFR + 4.75%), 4/5/30         275     273,224
Term Loan - Second Lien, 12.416%, (SOFR + 7.00%), 5/29/26          48      48,326
Vue International Bidco PLC:       
Term Loan, 11.086%, (6 mo. EURIBOR + 8.00%), 6/30/27 EUR       149     154,110
Term Loan, 11.859%, (6 mo. EURIBOR + 8.00%), 5.359% cash, 6.50% PIK, 12/31/27 EUR     1,008     509,690
      $  1,251,960
Financial Services — 1.1%
GTCR W Merger Sub, LLC, Term Loan, 9/20/30(10)         850 $    850,333
NCR Atleos, LLC, Term Loan, 3/27/29(10)         375     361,641
      $  1,211,974
 
6
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Food Products — 1.8%
8th Avenue Food & Provisions, Inc., Term Loan, 10.181%, (SOFR + 4.75%), 10/1/25         147 $    141,487
CHG PPC Parent, LLC, Term Loan, 8.431%, (SOFR + 3.00%), 12/8/28         123     122,578
Del Monte Foods, Inc., Term Loan, 9.674%, (SOFR + 4.25%), 5/16/29         299     291,484
Nomad Foods US, LLC, Term Loan, 11/12/29(10)         600     601,313
Shearer's Foods, Inc., Term Loan, 8.931%, (SOFR + 3.50%), 9/23/27         194     194,054
Sovos Brands Intermediate, Inc., Term Loan, 9.131%, (SOFR + 3.50%), 6/8/28         269     269,835
United Petfood Group B.V., Term Loan, 6.466%, (3 mo. EURIBOR + 2.75%), 4/23/28 EUR       350     364,179
      $  1,984,930
Gas Utilities — 0.9%
CQP Holdco, L.P., Term Loan, 8.973%, (SOFR + 3.50%), 6/5/28(11)       1,004 $  1,005,030
      $  1,005,030
Health Care Equipment & Supplies — 2.7%
Artivion, Inc., Term Loan, 8.931%, (SOFR + 3.50%), 6/1/27         212 $    206,363
Bayou Intermediate II, LLC, Term Loan, 9.966%, (SOFR + 4.50%), 8/2/28         393     383,175
Gloves Buyer, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 12/29/27         686     667,461
Journey Personal Care Corp., Term Loan, 9.981%, (6 mo. USD LIBOR + 4.25%), 3/1/28         735     694,390
Medline Borrower, L.P., Term Loan, 8.681%, (SOFR + 3.25%), 10/23/28         985     983,769
      $  2,935,158
Health Care Providers & Services — 8.7%
AEA International Holdings (Lux) S.a.r.l., Term Loan, 9.402%, (SOFR + 3.75%), 9/7/28         568 $    566,850
Biogroup-LCD, Term Loan, 6.754%, (3 mo. EURIBOR + 3.00%), 2/9/28 EUR       125     127,503
BW NHHC Holdco, Inc., Term Loan - Second Lien, 13.39%, (SOFR + 8.00%), 1/15/26       1,047     895,307
Cano Health, LLC, Term Loan, 9.416%, (SOFR + 4.00%), 11/23/27         981     639,039
CCRR Parent, Inc., Term Loan, 9.181%, (SOFR + 3.75%), 3/6/28         691     660,959
Cerba Healthcare S.A.S.:       
Term Loan, 7.558%, (1 mo. EURIBOR + 3.70%), 6/30/28 EUR       125      127,852
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Health Care Providers & Services (continued)
Cerba Healthcare S.A.S.: (continued)      
Term Loan, 7.858%, (1 mo. EURIBOR + 4.00%), 2/16/29 EUR       150 $    155,303
CHG Healthcare Services, Inc.:       
Term Loan, 8.681%, (SOFR + 3.25%), 9/29/28         567     565,449
Term Loan, 9/29/28(10)         125     125,130
CNT Holdings I Corp., Term Loan, 8.80%, (SOFR + 3.50%), 11/8/27         684     683,237
Covis Finco S.a.r.l., Term Loan, 12.04%, (SOFR + 6.50%), 2/18/27         181     130,951
Electron BidCo, Inc., Term Loan, 8.431%, (SOFR + 3.00%), 11/1/28         197     196,490
Envision Healthcare Corporation:       
Term Loan, 0.00%, 3/31/27(7)         134     159,990
Term Loan - Second Lien, 0.00%, 3/31/27(7)         943     219,255
IVC Acquisition, Ltd., Term Loan, 7.687%, (6 mo. EURIBOR + 4.00%), 2/13/26 EUR       400     421,218
LSCS Holdings, Inc., Term Loan, 9.931%, (SOFR + 4.61%), 12/16/28         172     169,681
Medical Solutions Holdings, Inc., Term Loan, 8.773%, (SOFR + 3.25%), 11/1/28         643     623,810
Option Care Health, Inc., Term Loan, 8.181%, (SOFR + 2.75%), 10/27/28          98      98,619
Pacific Dental Services, LLC, Term Loan, 8.933%, (SOFR + 3.50%), 5/5/28         319     318,613
Phoenix Guarantor, Inc., Term Loan, 8.681%, (SOFR + 3.25%), 3/5/26         733     729,335
Radiology Partners, Inc., Term Loan, 10.179%, (SOFR + 4.25%), 7/9/25         150     113,573
Sound Inpatient Physicians, Term Loan, 8.631%, (SOFR + 3.00%), 6/27/25         213     101,264
Surgery Center Holdings, Inc., Term Loan, 9.189%, (SOFR + 3.75%), 8/31/26         645     646,613
Synlab Bondco PLC, Term Loan, 6.392%, (6 mo. EURIBOR + 2.50%), 7/1/27 EUR       150     158,538
TTF Holdings, LLC, Term Loan, 3/31/28(10)         600     601,000
U.S. Anesthesia Partners, Inc., Term Loan, 9.694%, (SOFR + 4.25%), 10/1/28         270     248,176
      $  9,483,755
Health Care Technology — 4.1%
athenahealth Group, Inc., Term Loan, 8.568%, (SOFR + 3.25%), 2/15/29         533 $    523,978
Certara, L.P., Term Loan, 9.184%, (SOFR + 3.50%), 8/15/26         470     471,101
eResearchTechnology, Inc., Term Loan, 9.931%, (SOFR + 4.50%), 2/4/27         146      143,602
 
7
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Health Care Technology (continued)
Imprivata, Inc., Term Loan, 9.181%, (SOFR + 3.75%), 12/1/27         980 $    981,124
MedAssets Software Intermediate Holdings, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 12/18/28         271     220,763
PointClickCare Technologies, Inc., Term Loan, 8.76%, (SOFR + 3.00%), 12/29/27         293     292,134
Project Ruby Ultimate Parent Corp., Term Loan, 8.681%, (SOFR + 3.25%), 3/10/28         536     530,351
Symplr Software, Inc., Term Loan, 9.969%, (SOFR + 4.50%), 12/22/27         664     595,807
Verscend Holding Corp., Term Loan, 9.431%, (SOFR + 4.00%), 8/27/25         695     696,381
      $  4,455,241
Hotels, Restaurants & Leisure — 3.7%
Carnival Corporation, Term Loan, 8.681%, (SOFR + 3.25%), 10/18/28       1,132 $  1,128,450
ClubCorp Holdings, Inc., Term Loan, 8.181%, (SOFR + 2.75%), 9/18/24         391     385,441
Fertitta Entertainment, LLC, Term Loan, 1/27/29(10)         600     595,091
Great Canadian Gaming Corporation, Term Loan, 9.658%, (SOFR + 4.00%), 11/1/26         444     445,264
Ontario Gaming GTA L.P., Term Loan, 9.64%, (SOFR + 4.25%), 8/1/30         125     125,244
Oravel Stays Singapore Pte., Ltd., Term Loan, 13.908%, (SOFR + 8.25%), 6/23/26         269     232,523
Playa Resorts Holding B.V., Term Loan, 9.581%, (SOFR + 4.25%), 1/5/29         645     646,041
SeaWorld Parks & Entertainment, Inc., Term Loan, 8.431%, (SOFR + 3.00%), 8/25/28         221     220,316
Wyndham Hotels & Resorts, Inc., Term Loan, 7.666%, (SOFR + 2.25%), 5/24/30         224     224,979
      $  4,003,349
Household Durables — 1.6%
Libbey Glass, Inc., Term Loan, 11.924%, (SOFR + 6.50%), 11/22/27         293 $    280,251
Serta Simmons Bedding, LLC, Term Loan, 12.90%, (SOFR + 7.50%), 6/29/28         700     701,357
Solis IV B.V., Term Loan, 7.826%, (3 mo. EURIBOR + 4.00%), 2/26/29 EUR       750     774,766
      $  1,756,374
Household Products — 0.5%
Kronos Acquisition Holdings, Inc.:       
Term Loan, 11.567%, (SOFR + 6.00%), 12/22/26         165 $    165,123
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Household Products (continued)
Kronos Acquisition Holdings, Inc.: (continued)      
Term Loan, 12/22/26(10)         400 $    398,393
      $    563,516
Insurance — 1.5%
Alliant Holdings Intermediate, LLC, Term Loan, 11/5/27(10)         150 $    149,925
AmWINS Group, Inc., Term Loan, 8.181%, (SOFR + 2.75%), 2/19/28         199     198,713
AssuredPartners, Inc., Term Loan, 8.931%, (SOFR + 3.50%), 2/12/27         686     685,445
NFP Corp., Term Loan, 8.681%, (SOFR + 3.25%), 2/16/27         586     580,038
      $  1,614,121
Interactive Media & Services — 1.9%
Adevinta ASA:       
Term Loan, 6.472%, (3 mo. EURIBOR + 2.50%), 6/26/28 EUR       393 $    416,191
Term Loan, 8.322%, (SOFR + 2.75%), 6/26/28          84      84,130
Arches Buyer, Inc., Term Loan, 8.666%, (SOFR + 3.25%), 12/6/27         792     776,283
Buzz Finco, LLC:       
Term Loan, 8.166%, (SOFR + 2.75%), 1/29/27         265     265,209
Term Loan, 8.666%, (SOFR + 3.25%), 1/29/27          27      26,806
Getty Images, Inc., Term Loan, 9.99%, (SOFR + 4.50%), 2/19/26         492     493,845
      $  2,062,464
IT Services — 5.6%
Asurion, LLC:       
Term Loan, 8.681%, (SOFR + 3.25%), 12/23/26         990 $    973,256
Term Loan - Second Lien, 10.681%, (SOFR + 5.25%), 1/31/28         750     675,469
Term Loan - Second Lien, 10.681%, (SOFR + 5.25%), 1/20/29         325     287,930
Endure Digital, Inc., Term Loan, 8.792%, (SOFR + 3.50%), 2/10/28         990     964,302
Gainwell Acquisition Corp., Term Loan, 9.49%, (SOFR + 4.00%), 10/1/27         742     725,663
Go Daddy Operating Company, LLC, Term Loan, 11/9/29(10)         600     601,219
Indy US Bidco, LLC, Term Loan, 7.608%, (1 mo. EURIBOR + 3.75%), 3/6/28 EUR       195     199,709
NAB Holdings, LLC, Term Loan, 8.54%, (SOFR + 3.00%), 11/23/28         792      791,204
 
8
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
IT Services (continued)
Rackspace Technology Global, Inc., Term Loan, 8.194%, (SOFR + 2.75%), 2/15/28         735 $    338,846
Skopima Merger Sub, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 5/12/28         515     501,721
      $  6,059,319
Leisure Products — 0.9%
Amer Sports Oyj, Term Loan, 7.648%, (6 mo. EURIBOR + 4.00%), 3/30/26 EUR       800 $    844,139
Recess Holdings, Inc., Term Loan, 9.383%, (SOFR + 4.00%), 3/17/27         175     175,000
      $  1,019,139
Life Sciences Tools & Services — 1.6%
Cambrex Corporation, Term Loan, 8.916%, (SOFR + 3.50%), 12/4/26         145 $    144,104
Curia Global, Inc., Term Loan, 9.219%, (SOFR + 3.75%), 8/30/26         672     559,212
LGC Group Holdings, Ltd., Term Loan, 7.108%, (1 mo. EURIBOR + 3.25%), 4/21/27 EUR       225     233,607
Loire Finco Luxembourg S.a.r.l., Term Loan, 8.916%, (SOFR + 3.50%), 4/21/27         145     143,561
Sotera Health Holdings, LLC, Term Loan, 8.181%, (SOFR + 2.75%), 12/11/26         300     299,391
Star Parent, Inc., Term Loan, 9/19/30(10)         400     391,615
      $  1,771,490
Machinery — 7.3%
AI Aqua Merger Sub, Inc., Term Loan, 9.084%, (SOFR + 3.75%), 7/31/28         593 $    587,316
Albion Financing 3 S.a.r.l., Term Loan, 10.857%, (SOFR + 5.25%), 8/17/26         393     394,146
Alliance Laundry Systems, LLC, Term Loan, 8.901%, (SOFR + 3.50%), 10/8/27         519     519,629
American Trailer World Corp., Term Loan, 9.166%, (SOFR + 3.75%), 3/3/28         255     245,516
Apex Tool Group, LLC, Term Loan, 10.674%, (SOFR + 5.25%), 2/8/29         346     317,906
Barnes Group, Inc., Term Loan, 8.416%, (SOFR + 3.00%), 9/3/30         150     150,402
Conair Holdings, LLC, Term Loan, 9.402%, (SOFR + 3.75%), 5/17/28         588     563,745
Delachaux Group S.A., Term Loan, 9.869%, (SOFR + 4.50%), 4/16/26         158     155,203
EMRLD Borrower L.P., Term Loan, 8.316%, (SOFR + 3.00%), 5/31/30         325     324,949
Engineered Machinery Holdings, Inc., Term Loan, 9.152%, (SOFR + 3.50%), 5/19/28         881      877,153
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Machinery (continued)
Filtration Group Corporation, Term Loan, 8.931%, (SOFR + 3.50%), 10/21/28         172 $    171,089
Gates Global, LLC, Term Loan, 7.816%, (SOFR + 2.50%), 3/31/27         757     756,646
Icebox Holdco III, Inc., Term Loan, 9.402%, (SOFR + 3.75%), 12/22/28         197     196,473
Madison IAQ, LLC, Term Loan, 8.689%, (SOFR + 3.25%), 6/21/28         249     245,435
Pro Mach Group, Inc., Term Loan, 9.431%, (SOFR + 4.00%), 8/31/28         298     299,228
Roper Industrial Products Investment Company, LLC, Term Loan, 9.89%, (SOFR + 4.50%), 11/22/29         423     424,272
SPX Flow, Inc., Term Loan, 9.916%, (SOFR + 4.50%), 4/5/29         523     522,643
Titan Acquisition Limited, Term Loan, 8.652%, (SOFR + 3.00%), 3/28/25         495     491,095
TK Elevator Topco GmbH, Term Loan, 7.597%, (6 mo. EURIBOR + 3.63%), 7/30/27 EUR       150     158,171
Vertical US Newco, Inc., Term Loan, 9.381%, (SOFR + 3.50%), 7/30/27         194     193,524
Zephyr German BidCo GmbH, Term Loan, 7.462%, (3 mo. EURIBOR + 3.85%), 3/10/28 EUR       300     311,908
      $  7,906,449
Media — 1.5%
Gray Television, Inc.:       
Term Loan, 7.944%, (SOFR + 2.50%), 1/2/26         276 $    274,811
Term Loan, 8.444%, (SOFR + 3.00%), 12/1/28         246     239,791
Hubbard Radio, LLC, Term Loan, 9.69%, (SOFR + 4.25%), 3/28/25         204     185,743
Nexstar Broadcasting, Inc., Term Loan, 7.931%, (SOFR + 2.50%), 9/18/26         127     127,338
Sinclair Television Group, Inc., Term Loan, 7.931%, (SOFR + 2.50%), 9/30/26         288     250,832
Univision Communications, Inc., Term Loan, 8.681%, (SOFR + 3.25%), 3/15/26         587     586,088
      $  1,664,603
Metals/Mining — 0.8%
Arsenal AIC Parent, LLC, Term Loan, 9.879%, (SOFR + 4.50%), 8/18/30         225 $    224,944
Dynacast International, LLC, Term Loan, 14.517%, (SOFR + 9.00%), 10/22/25         161      123,969
 
9
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Metals/Mining (continued)
PMHC II, Inc., Term Loan, 9.699%, (SOFR + 4.25%), 4/23/29         397 $    376,704
WireCo WorldGroup, Inc., Term Loan, 9.695%, (SOFR + 4.25%), 11/13/28         112     111,620
      $    837,237
Oil, Gas & Consumable Fuels — 1.5%
Freeport LNG Investments, LLP, Term Loan, 9.088%, (SOFR + 3.50%), 12/21/28         171 $    169,730
Matador Bidco S.a.r.l., Term Loan, 9.916%, (SOFR + 4.50%), 10/15/26         670     673,477
Oryx Midstream Services Permian Basin, LLC, Term Loan, 8.692%, (SOFR + 3.25%), 10/5/28         245     245,389
Oxbow Carbon, LLC, Term Loan, 9.453%, (SOFR + 4.00%), 5/10/30(11)         150     149,532
QuarterNorth Energy Holding, Inc., Term Loan - Second Lien, 13.431%, (SOFR + 8.00%), 8/27/26         378     376,945
      $  1,615,073
Personal Products — 0.7%
Olaplex, Inc., Term Loan, 8.916%, (SOFR + 3.50%), 2/23/29         298 $    251,119
Sunshine Luxembourg VII S.a.r.l., Term Loan, 9.24%, (SOFR + 3.75%), 10/1/26         536     536,176
      $    787,295
Pharmaceuticals — 2.0%
Bausch Health Companies, Inc., Term Loan, 10.674%, (SOFR + 5.25%), 2/1/27         439 $    357,853
Jazz Financing Lux S.a.r.l., Term Loan, 8.931%, (SOFR + 3.50%), 5/5/28         661     661,049
Mallinckrodt International Finance S.A.:       
DIP Loan, 13.441%, (SOFR + 8.00%), 8/28/24          95      98,543
DIP Loan, 8/28/24(10)          50      52,151
Term Loan, 12.689%, (SOFR + 7.25%), 9/30/27         537     402,506
Term Loan, 12.939%, (SOFR + 7.50%), 9/30/27         876     659,837
      $  2,231,939
Professional Services — 3.9%
AlixPartners, LLP:       
Term Loan, 6.972%, (3 mo. EURIBOR + 3.00%), 2/4/28 EUR       244 $    256,470
Term Loan, 8.181%, (SOFR + 2.75%), 2/4/28         249     249,482
Apleona Holding GmbH, Term Loan, 6.764%, (3 mo. EURIBOR + 2.95%), 4/28/28 EUR       375     392,504
Camelot U.S. Acquisition, LLC, Term Loan, 8.431%, (SOFR + 3.00%), 10/30/26         453      453,603
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Professional Services (continued)
CoreLogic, Inc., Term Loan, 8.931%, (SOFR + 3.50%), 6/2/28         495 $    458,550
EAB Global, Inc., Term Loan, 8.872%, (SOFR + 3.50%), 8/16/28         499     496,082
Employbridge Holding Company, Term Loan, 10.259%, (SOFR + 4.75%), 7/19/28         589     533,392
Genuine Financial Holdings, LLC, Term Loan, 9/20/30(10)         125     123,854
Neptune Bidco US, Inc., Term Loan, 10.399%, (SOFR + 5.00%), 4/11/29         599     540,039
Rockwood Service Corporation, Term Loan, 9.431%, (SOFR + 4.00%), 1/23/27         224     225,472
Vaco Holdings, LLC, Term Loan, 1/21/29(10)         500     482,291
      $  4,211,739
Real Estate Management & Development — 0.2%
Greystar Real Estate Partners, LLC, Term Loan, 9.147%, (SOFR + 3.75%), 8/21/30         175 $    175,000
      $    175,000
Road & Rail — 1.1%
First Student Bidco, Inc.:       
Term Loan, 8.652%, (SOFR + 3.00%), 7/21/28          81 $     79,466
Term Loan, 8.655%, (SOFR + 3.00%), 7/21/28         217     211,428
Grab Holdings, Inc., Term Loan, 9.931%, (SOFR + 4.50%), 1/29/26         507     510,561
Hertz Corporation (The):       
Term Loan, 6/30/28(10)         336     335,855
Term Loan, 6/30/28(10)          64      64,423
      $  1,201,733
Semiconductors & Semiconductor Equipment — 1.3%
Altar Bidco, Inc.:       
Term Loan, 8.142%, (SOFR + 3.10%), 2/1/29(11)         619 $    617,516
Term Loan - Second Lien, 10.493%, (SOFR + 5.60%), 2/1/30         125     122,032
Bright Bidco B.V., Term Loan, 14.366%, (SOFR + 9.00%), 6.366% cash, 8.00% PIK, 10/31/27         195      79,497
Entegris, Inc., Term Loan, 7.871%, (SOFR + 2.50%), 7/6/29(11)         554     554,398
      $  1,373,443
Software — 21.5%
Applied Systems, Inc., Term Loan, 9.89%, (SOFR + 4.50%), 9/18/26         199 $    199,808
AppLovin Corporation, Term Loan, 8.416%, (SOFR + 3.10%), 8/14/30         561      559,671
 
10
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Software (continued)
Aptean, Inc., Term Loan, 9.568%, (SOFR + 4.25%), 4/23/26         495 $    493,347
AQA Acquisition Holding, Inc., Term Loan, 9.881%, (SOFR + 4.25%), 3/3/28         415     413,447
Astra Acquisition Corp.:       
Term Loan, 10.902%, (SOFR + 5.25%), 10/25/28         267     201,538
Term Loan - Second Lien, 14.527%, (SOFR + 8.88%), 10/25/29         425     251,752
Banff Merger Sub, Inc.:       
Term Loan, 7.858%, (1 mo. EURIBOR + 4.00%), 10/2/25 EUR       120     126,494
Term Loan, 9.181%, (SOFR + 3.75%), 10/2/25         963     962,765
Term Loan - Second Lien, 10.931%, (SOFR + 5.50%), 2/27/26         225     225,000
CDK Global, Inc., Term Loan, 9.64%, (SOFR + 4.25%), 7/6/29         571     571,460
CentralSquare Technologies, LLC, Term Loan, 9.29%, (SOFR + 3.75%), 8/29/25       1,535   1,459,334
Cloud Software Group, Inc., Term Loan, 9.99%, (SOFR + 4.50%), 3/30/29(11)         898     865,279
Cloudera, Inc.:       
Term Loan, 9.166%, (SOFR + 3.75%), 10/8/28         690     681,916
Term Loan - Second Lien, 11.416%, (SOFR + 6.00%), 10/8/29         200     190,667
Cornerstone OnDemand, Inc., Term Loan, 9.181%, (SOFR + 3.75%), 10/16/28         345     328,805
Delta TopCo, Inc., Term Loan - Second Lien, 12.569%, (SOFR + 7.25%), 12/1/28       1,000     957,500
E2open, LLC, Term Loan, 8.931%, (SOFR + 3.50%), 2/4/28         415     415,576
ECI Macola Max Holding, LLC, Term Loan, 9.402%, (SOFR + 3.75%), 11/9/27         584     582,942
Epicor Software Corporation:       
Term Loan, 8.681%, (SOFR + 3.25%), 7/30/27         495     495,017
Term Loan, 7/30/27(10)         250     250,625
Term Loan - Second Lien, 13.166%, (SOFR + 7.75%), 7/31/28         375     377,383
Fiserv Investment Solutions, Inc., Term Loan, 2/18/27(10)         450     424,500
Greeneden U.S. Holdings II, LLC, Term Loan, 9.431%, (SOFR + 4.00%), 12/1/27         708     709,771
Imperva, Inc., Term Loan, 9.627%, (SOFR + 4.00%), 1/12/26         683     684,835
Ivanti Software, Inc., Term Loan, 9.758%, (SOFR + 4.25%), 12/1/27         210     181,875
Magenta Buyer, LLC:       
Term Loan, 10.631%, (SOFR + 5.00%), 7/27/28         620     465,712
Term Loan - Second Lien, 13.881%, (SOFR + 8.25%), 7/27/29         275      127,875
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Software (continued)
Marcel LUX IV S.a.r.l., Term Loan, 9.436%, (SOFR + 4.00%), 12/31/27          50 $     50,118
Maverick Bidco, Inc., Term Loan, 9.269%, (SOFR + 3.75%), 5/18/28         282     275,325
McAfee, LLC, Term Loan, 9.18%, (SOFR + 3.75%), 3/1/29         691     676,993
Mediaocean, LLC, Term Loan, 8.916%, (SOFR + 3.50%), 12/15/28         148     141,840
Open Text Corporation, Term Loan, 8.166%, (SOFR + 2.75%), 1/31/30         670     670,566
Proofpoint, Inc., Term Loan, 8.681%, (SOFR + 3.25%), 8/31/28         983     975,472
Quartz Acquireco, LLC, Term Loan, 8.818%, (SOFR + 3.50%), 6/28/30         225     225,000
Quest Software US Holdings, Inc., Term Loan, 9.769%, (SOFR + 4.25%), 2/1/29         399     333,729
RealPage, Inc., Term Loan, 8.431%, (SOFR + 3.00%), 4/24/28       1,666   1,649,108
Redstone Holdco 2, L.P., Term Loan, 10.184%, (SOFR + 4.75%), 4/27/28         428     368,142
Skillsoft Corporation, Term Loan, 7/14/28(10)         300     283,937
SolarWinds Holdings, Inc., Term Loan, 9.066%, (SOFR + 3.75%), 2/5/27         448     448,844
Sophia, L.P., Term Loan, 8.916%, (SOFR + 3.50%), 10/7/27       1,321   1,319,555
Ultimate Software Group, Inc. (The), Term Loan, 8.618%, (SOFR + 3.25%), 5/4/26       1,063   1,061,903
Veritas US, Inc.:       
Term Loan, 8.608%, (3 mo. EURIBOR + 4.75%), 9/1/25 EUR       146     135,105
Term Loan, 10.431%, (SOFR + 5.00%), 9/1/25         544     473,479
Vision Solutions, Inc., Term Loan, 9.863%, (SOFR + 4.00%), 4/24/28       1,084   1,054,974
      $ 23,348,984
Specialty Retail — 4.7%
Boels Topholding B.V., Term Loan, 7.015%, (EURIBOR + 3.25%), 2/6/27(11) EUR       237 $    250,955
Great Outdoors Group, LLC, Term Loan, 9.402%, (SOFR + 3.75%), 3/6/28       1,264   1,263,655
Harbor Freight Tools USA, Inc., Term Loan, 8.181%, (SOFR + 2.75%), 10/19/27         980     973,657
Les Schwab Tire Centers, Term Loan, 8.692%, (SOFR + 3.25%), 11/2/27         742     740,510
LIDS Holdings, Inc., Term Loan, 11.06%, (SOFR + 5.50%), 12/14/26          98       93,750
 
11
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Borrower/Description Principal
Amount*
(000's omitted) 		Value
Specialty Retail (continued)
Mattress Firm, Inc., Term Loan, 9.95%, (6 mo. USD LIBOR + 4.25%), 9/25/28         783 $    779,041
PetSmart, Inc., Term Loan, 9.166%, (SOFR + 3.75%), 2/11/28         980     978,673
      $  5,080,241
Trading Companies & Distributors — 4.4%
DXP Enterprises, Inc., Term Loan, 10.627%, (SOFR + 5.25%), 12/23/27         317 $    317,560
Electro Rent Corporation, Term Loan, 11.002%, (SOFR + 5.50%), 11/1/24       1,462   1,414,506
Patagonia Bidco Limited, Term Loan, 10.181%, (SONIA + 5.25%), 11/1/28 GBP       375     395,312
Spin Holdco, Inc., Term Loan, 9.664%, (SOFR + 4.00%), 3/4/28       1,254   1,088,453
SRS Distribution, Inc., Term Loan, 8.931%, (SOFR + 3.50%), 6/2/28         744     738,256
White Cap Buyer, LLC, Term Loan, 9.066%, (SOFR + 3.75%), 10/19/27         496     495,940
Windsor Holdings III, LLC, Term Loan, 9.83%, (SOFR + 4.50%), 8/1/30         300     299,000
      $  4,749,027
Transportation Infrastructure — 0.6%
Brown Group Holding, LLC, Term Loan, 8.068%, (SOFR + 2.75%), 6/7/28         635 $    630,101
      $    630,101
Wireless Telecommunication Services — 0.4%
CCI Buyer, Inc., Term Loan, 9.39%, (SOFR + 4.00%), 12/17/27         495 $    489,357
      $    489,357
Total Senior Floating-Rate Loans
(identified cost $143,232,075) 		    $139,101,098
    
Warrants — 0.0%
Security Shares Value
Retailers (Except Food and Drug) — 0.0%
David’s Bridal, LLC, Exp. 12/31/28(3)(4)(5)       2,169 $          0
Total Warrants
(identified cost $0) 		    $          0
    
Miscellaneous — 0.0%
Security Shares Value
Cable and Satellite Television — 0.0%
ACC Claims Holdings, LLC(3)(4)     200,340 $          0
Total Miscellaneous
(identified cost $0) 		    $          0
    
Short-Term Investments — 5.0%
Security Shares Value
Morgan Stanley Institutional Liquidity Funds - Government Portfolio, Institutional Class, 5.27%(13)   5,494,083 $  5,494,083
Total Short-Term Investments
(identified cost $5,494,083) 		    $  5,494,083
Total Investments — 153.8%
(identified cost $174,842,671) 		    $167,231,954
Less Unfunded Loan Commitments — (0.0)%(6)     $     (2,320)
Net Investments — 153.8%
(identified cost $174,840,351) 		    $167,229,634
Other Assets, Less Liabilities — (53.8)%     $(58,510,565)
Net Assets Applicable to Common Shares — 100.0%     $108,719,069
The percentage shown for each investment category in the Portfolio of Investments is based on net assets applicable to common shares.
* In U.S. dollars unless otherwise indicated.
(1) Security exempt from registration under Rule 144A of the Securities Act of 1933, as amended. These securities may be sold in certain transactions in reliance on an exemption from registration (normally to qualified institutional buyers). At September 30, 2023, the aggregate value of these securities is $17,063,776 or 15.7% of the Trust's net assets applicable to common shares.
(2) Variable rate security. The stated interest rate represents the rate in effect at September 30, 2023.
(3) For fair value measurement disclosure purposes, security is categorized as Level 3.
(4) Non-income producing security.
(5) Security was acquired in connection with a restructuring of a Senior Loan and may be subject to restrictions on resale.
(6) Amount is less than 0.05% or (0.05)%, as applicable.
(7) Issuer is in default with respect to interest and/or principal payments. For a variable rate security, interest rate has been adjusted to reflect non-accrual status.
(8) Principal amount is less than $500.
 
12
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
(9) Senior floating-rate loans (Senior Loans) often require prepayments from excess cash flows or permit the borrowers to repay at their election. The degree to which borrowers repay, whether as a contractual requirement or at their election, cannot be predicted with accuracy. As a result, the actual remaining maturity may be substantially less than the stated maturities shown. However, Senior Loans will typically have an expected average life of approximately two to four years. Senior Loans typically have rates of interest which are redetermined periodically by reference to a base lending rate, plus a spread. These base lending rates are primarily the Secured Overnight Financing Rate (“SOFR”) (or the London Interbank Offered Rate (“LIBOR”) for those loans whose rates reset prior to the discontinuance of LIBOR on June 30, 2023) and secondarily, the prime rate offered by one or more major United States banks (the “Prime Rate”). Base lending rates may be subject to a floor, or minimum rate. Rates for SOFR are generally 1 or 3-month tenors and may also be subject to a credit spread adjustment. Senior Loans are generally subject to contractual restrictions that must be satisfied before they can be bought or sold.
(10) This Senior Loan will settle after September 30, 2023, at which time the interest rate will be determined.
(11) The stated interest rate represents the weighted average interest rate at September 30, 2023 of contracts within the senior loan facility. Interest rates on contracts are primarily redetermined either monthly or quarterly by reference to the indicated base lending rate and spread and the reset period.
(12) Unfunded or partially unfunded loan commitments. The Trust may enter into certain loan agreements all or a portion of which may be unfunded. The Trust is obligated to fund these commitments at the borrower's discretion. The stated interest rate reflects the weighted average of the reference rate and spread for the funded portion, if any, and the commitment fees on the portion of the loan that is unfunded. At September 30, 2023, the total value of unfunded loan commitments is $1,797.
(13) May be deemed to be an affiliated investment company. The rate shown is the annualized seven-day yield as of September 30, 2023.
 
Forward Foreign Currency Exchange Contracts (OTC) 
Currency Purchased Currency Sold Counterparty Settlement
Date 		Unrealized
Appreciation 		Unrealized
(Depreciation)
USD 3,393,570 EUR 3,122,552 Standard Chartered Bank 10/3/23 $ 92,253 $    —
USD 3,310,030 EUR 3,122,551 Standard Chartered Bank 11/2/23   4,640     —
USD 1,784,341 EUR 1,633,358 Bank of America, N.A. 11/30/23  53,247     —
USD   966,321 EUR   884,911 Bank of America, N.A. 11/30/23  28,460     —
USD 1,114,066 EUR 1,020,502 State Street Bank and Trust Company 11/30/23  32,500     —
USD   257,367 EUR   235,771 The Toronto-Dominion Bank 11/30/23   7,488     —
USD 1,184,408 GBP   938,538 State Street Bank and Trust Company 11/30/23  38,931     —
USD   706,536 EUR   670,000 Australia and New Zealand Banking Group Limited 12/29/23     —  (4,836)
USD   706,841 EUR   670,000 Goldman Sachs International 12/29/23     —  (4,531)
USD   706,530 EUR   670,000 State Street Bank and Trust Company 12/29/23     —  (4,842)
USD   735,945 EUR   698,064 State Street Bank and Trust Company 12/29/23     —  (5,224)
USD   735,896 EUR   698,064 State Street Bank and Trust Company 12/29/23     —  (5,273)
            $257,519 $(24,706)
Abbreviations:
DIP – Debtor In Possession
EURIBOR – Euro Interbank Offered Rate
LIBOR – London Interbank Offered Rate
OTC – Over-the-counter
PIK – Payment In Kind
SOFR – Secured Overnight Financing Rate
SONIA – Sterling Overnight Interbank Average
Currency Abbreviations:
EUR – Euro
GBP – British Pound Sterling
USD – United States Dollar
 
The Trust is subject to foreign exchange risk in the normal course of pursuing its investment objective. Because the Trust holds foreign currency denominated investments, the value of these investments and related receivables and payables may change due to future changes in foreign currency exchange rates. To hedge against this risk, the Trust enters into forward foreign currency exchange contracts.
At September 30, 2023, the Trust had sufficient cash and/or securities to cover commitments under open derivative contracts.
13
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Affiliated Investments
At September 30, 2023, the value of the Trust's investment in funds that may be deemed to be affiliated was $5,494,083, which represents 5.0% of the Trust's net assets applicable to common shares. Transactions in such investments by the Trust for the fiscal year to date ended September 30, 2023 were as follows:
Name Value,
beginning
of period 		Purchases Sales
proceeds 		Net
realized
gain (loss)  		Change in
unrealized
appreciation
(depreciation) 		Value, end
of period 		Dividend
income 		Shares,
end of period
Short-Term Investments 
Liquidity Fund, Institutional Class(1) $3,163,645 $16,728,261 $(14,397,823) $ — $ — $5,494,083 $54,533 5,494,083
(1) Represents investment in Morgan Stanley Institutional Liquidity Funds - Government Portfolio.
Fair Value Measurements
Under generally accepted accounting principles for fair value measurements, a three-tier hierarchy to prioritize the assumptions, referred to as inputs, is used in valuation techniques to measure fair value. The three-tier hierarchy of inputs is summarized in the three broad levels listed below.
• Level 1 – quoted prices in active markets for identical investments
• Level 2 – other significant observable inputs (including quoted prices for similar investments, interest rates, prepayment speeds, credit risk, etc.)
• Level 3 – significant unobservable inputs (including a fund's own assumptions in determining the fair value of investments)
In cases where the inputs used to measure fair value fall in different levels of the fair value hierarchy, the level disclosed is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities.
At September 30, 2023, the hierarchy of inputs used in valuing the Trust’s investments and open derivative instruments, which are carried at value, were as follows:
Asset Description  Level 1 Level 2 Level 3* Total
Asset-Backed Securities $      — $ 11,513,331 $    — $ 11,513,331
Closed-End Funds 3,251,232         —     —   3,251,232
Common Stocks    22,281     912,854  12,839     947,974
Corporate Bonds       —   6,924,236     —   6,924,236
Senior Floating-Rate Loans (Less Unfunded Loan Commitments)       — 138,884,226 214,552 139,098,778
Warrants       —         —       0           0
Miscellaneous       —         —       0           0
Short-Term Investments 5,494,083         —     —   5,494,083
Total Investments $8,767,596 $158,234,647 $227,391 $167,229,634
Forward Foreign Currency Exchange Contracts $      — $    257,519 $    — $    257,519
Total $8,767,596 $158,492,166 $227,391 $167,487,153
Liability Description         
Forward Foreign Currency Exchange Contracts $      — $    (24,706) $    — $    (24,706)
Total $      — $    (24,706) $    — $    (24,706)
* None of the unobservable inputs for Level 3 assets, individually or collectively, had a material impact on the Trust.
14
Eaton Vance
Senior Income Trust
September 30, 2023
Portfolio of Investments (Unaudited) — continued
Level 3 investments at the beginning and/or end of the period in relation to net assets were not significant and accordingly, a reconciliation of Level 3 assets for the fiscal year to date ended September 30, 2023 is not presented.
For information on the Trust's policy regarding the valuation of investments and other significant accounting policies, please refer to the Trust's most recent financial statements included in its semiannual or annual report to shareholders.
15
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