| SOGEPA | Institution | 85.459.843 | 10,86% | 16,67B € | 2025-07-11 |
| KfW | Institution | 85.410.619 | 10,85% | 16,66B € | 2024-12-31 |
| Capital Research and Management Company | Institution | 78.148.348 | 9,93% | 15,25B € | 2024-12-31 |
| BlackRock, Inc. | Institution | 47.152.884 | 5,99% | 9,20B € | 2026-06-20 |
| TCI Fund Management Limited | Institution | 38.075.984 | 4,84% | 7,43B € | 2026-03-03 |
| Sociedad Estatal de Participaciones Industriales | Institution | 32.206.592 | 4,09% | 6,28B € | 2024-12-31 |
| Vanguard Capital Management, LLC | Institution | 17.539.192 | 2,23% | 3,42B € | 2026-05-31 |
| Amundi Asset Management SAS | Institution | 14.981.267 | 1,90% | 2,92B € | 2026-04-30 |
| Union Asset Management Holding AG | Institution | 6.643.796 | 0,84% | 1,30B € | 2025-09-30 |
| FMR LLC | Institution | 6.318.354 | 0,80% | 1,23B € | 2026-05-29 |
| Deutsche Asset & Wealth Management | Institution | 5.561.948 | 0,71% | 1,09B € | 2026-03-31 |
| Vanguard Fiduciary Trust Company | Institution | 5.173.073 | 0,66% | 1,01B € | 2026-05-31 |
| Canada Pension Plan Investment Board | Institution | 4.970.000 | 0,63% | 969,65M € | 2025-03-31 |
| Geode Capital Management, LLC | Institution | 4.690.158 | 0,60% | 915,05M € | 2026-03-31 |
| Deka Investment GmbH | Institution | 4.455.556 | 0,57% | 869,28M € | 2025-12-31 |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Institution | 4.352.227 | 0,55% | 849,12M € | 2026-03-31 |
| T. Rowe Price Group, Inc. | Institution | 4.260.721 | 0,54% | 831,27M € | 2026-05-31 |
| Invesco Ltd. | Institution | 3.529.806 | 0,45% | 688,67M € | 2026-03-31 |
| Franklin Resources, Inc. | Institution | 3.100.734 | 0,39% | 604,95M € | 2026-05-31 |
| Vanguard Asset Management, Limited | Institution | 2.666.804 | 0,34% | 520,29M € | 2026-04-30 |
| PRIMECAP Management Company | Institution | 2.658.522 | 0,34% | 518,68M € | 2026-03-31 |
| State Street Global Advisors, Inc. | Institution | 2.532.010 | 0,32% | 494,00M € | 2026-05-31 |
| GWL Investment Management Ltd. | Institution | 2.372.314 | 0,30% | 462,84M € | 2025-09-30 |
| UBS Asset Management AG | Institution | 2.286.770 | 0,29% | 446,15M € | 2026-04-30 |
| Charles Schwab Investment Management, Inc. | Institution | 1.901.195 | 0,24% | 370,92M € | 2026-05-29 |
| Alkeon Capital Management, LLC | Institution | 1.805.772 | 0,23% | 352,31M € | 2026-03-31 |
| JP Morgan Asset Management | Institution | 1.598.298 | 0,20% | 311,83M € | 2026-06-01 |