Fund shareholders of Banco Santander SA
ISIN ES0113900J37 · Spain · LEI 5493006QMFDDMYWIAM13
- Fund shareholders
- 790
- Of which ETFs
- 124 666 other funds
- Value held
- ≈ 32.3B $ 30.2B $ · 1.1B € · 8.2B SEK
- Sold short
- 0.2 % market aggregate, as of Aug 20, 2026
This issuer has other securities: Banco Santander SA (US05964H1059)
790 funds hold this company. This table lists the 766 that declare it in a regulatory filing. The other 24 publish their holdings in their own reports. The “Fund reports” tab lists them, with their weight.
| Fund | Shares | Value | Weight in fund | |
|---|---|---|---|---|
| VANGUARD ESG INTERNATIONAL STOCK ETF VANGUARD WORLD FUND | 2,949,242 | 36.9M $ | 0.55 % | as of May 31, 2026 ↗ |
| Handelsbanken Global Index Criteria Handelsbanken Fonder AB | 2,940,233 | 306.3M SEK | 0.21 % | as of Mar 31, 2026 ↗ |
| Lazard International Strategic Equity Portfolio LAZARD FUNDS INC | 2,904,261 | 40.2M $ | 2.66 % | as of Jun 30, 2026 ↗ |
| Portfolio Building Block European Banks Index ETF Tidal Trust IV | 2,900,113 | 41.1M $ | 9.00 % | as of Jul 31, 2026 ↗ |
| State Street International Developed Equity Index Portfolio STATE STREET MASTER FUNDS | 2,869,515 | 39.6M $ | 0.89 % | as of Jun 30, 2026 ↗ |
| VANGUARD INTERNATIONAL VALUE FUND VANGUARD TRUSTEES' EQUITY FUND | 2,817,476 | 40.1M $ | 0.34 % | as of Jul 31, 2026 ↗ |
| LVIP Mondrian International Value Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,779,425 | 38.6M $ | 3.34 % | as of Jun 30, 2026 ↗ |
| Länsförsäkringar Europa Index Länsförsäkringar Fondförvaltning AB | 2,698,719 | 281.1M SEK | 1.59 % | as of Mar 31, 2026 ↗ |
| Capital Group Dividend Growers ETF Capital Group Dividend Growers ETF | 2,681,155 | 33.5M $ | 0.66 % | as of May 31, 2026 ↗ |
| Mondrian International Value Equity Fund GALLERY TRUST | 2,589,954 | 36.8M $ | 3.27 % | as of Jul 31, 2026 ↗ |
| American Funds Global Insight Fund American Funds Global Insight Fund | 2,576,023 | 36.6M $ | 0.17 % | as of Jul 31, 2026 ↗ |
| MOA INTERNATIONAL FUND MoA Funds Corp | 2,545,855 | 35.3M $ | 1.54 % | as of Jun 30, 2026 ↗ |
| SEB Europe Exposure SEB Funds AB | 2,525,151 | 263M SEK | 1.60 % | as of Mar 31, 2026 ↗ |
| CIBC ATLAS INTERNATIONAL GROWTH FUND ADVISORS' INNER CIRCLE FUND | 2,522,884 | 35.9M $ | 4.03 % | as of Jul 31, 2026 ↗ |
| Invesco International Value Fund AIM International Mutual Funds (Invesco International Mutual Funds) | 2,513,981 | 35.8M $ | 3.76 % | as of Jul 31, 2026 ↗ |
| Dimensional International Core Equity 2 ETF Dimensional ETF Trust | 2,354,521 | 33.4M $ | 0.23 % | as of Jul 31, 2026 ↗ |
| GQG PARTNERS GLOBAL QUALITY EQUITY FUND ADVISORS' INNER CIRCLE III | 2,337,263 | 32.5M $ | 1.05 % | as of Jun 30, 2026 ↗ |
| Empower International Index Fund EMPOWER FUNDS, INC. | 2,324,821 | 32.3M $ | 0.91 % | as of Jun 30, 2026 ↗ |
| Hartford Schroders International Multi-Cap Value Fund HARTFORD MUTUAL FUNDS II, INC | 2,310,230 | 32.9M $ | 0.89 % | as of Jul 31, 2026 ↗ |
| Capital Group International Equity ETF Capital Group International Equity ETF | 2,281,413 | 28.5M $ | 1.27 % | as of May 31, 2026 ↗ |
| Federated Hermes International Leaders Fund Federated Hermes World Investment Series, Inc. | 2,235,761 | 28M $ | 1.83 % | as of May 31, 2026 ↗ |
| EUPAC Fund AMERICAN FUNDS INSURANCE SERIES | 2,139,198 | 29.6M $ | 0.39 % | as of Jun 30, 2026 ↗ |
| Putnam International Equity Fund Putnam International Equity Fund | 2,077,444 | 28.8M $ | 2.76 % | as of Jun 30, 2026 ↗ |
| JNL International Index Fund JNL Series Trust | 2,061,359 | 28.6M $ | 0.92 % | as of Jun 30, 2026 ↗ |
| International Sustainability Core 1 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 2,061,320 | 29.3M $ | 0.66 % | as of Jul 31, 2026 ↗ |
| Lazard International Equity Portfolio LAZARD FUNDS INC | 2,046,601 | 28.3M $ | 2.23 % | as of Jun 30, 2026 ↗ |
| International Strategic Equity Allocation Fund John Hancock Funds II | 2,006,756 | 25.1M $ | 0.45 % | as of May 31, 2026 ↗ |
| LVIP State Street International Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,004,929 | 27.8M $ | 0.91 % | as of Jun 30, 2026 ↗ |
| JPMorgan International Value ETF J.P. Morgan Exchange-Traded Fund Trust | 1,976,739 | 28.1M $ | 0.80 % | as of Jul 31, 2026 ↗ |
| American Funds International Vantage Fund American Funds International Vantage Fund | 1,961,746 | 27.9M $ | 1.04 % | as of Jul 31, 2026 ↗ |
| Fidelity SAI International Momentum Index Fund Fidelity Salem Street Trust | 1,953,187 | 27.8M $ | 2.29 % | as of Jul 31, 2026 ↗ |
| Fidelity Total International Equity Fund Fidelity Investment Trust | 1,926,652 | 27.4M $ | 1.14 % | as of Jul 31, 2026 ↗ |
| Janus Henderson European Focus Fund Janus Investment Fund | 1,888,591 | 26.1M $ | 3.62 % | as of Jun 30, 2026 ↗ |
| GMO International Equity Fund GMO TRUST | 1,886,326 | 23.6M $ | 1.68 % | as of May 31, 2026 ↗ |
| Lazard International Dynamic Equity ETF Lazard Active ETF Trust | 1,845,022 | 25.5M $ | 1.68 % | as of Jun 30, 2026 ↗ |
| Fidelity Europe Fund Fidelity Investment Trust | 1,832,200 | 26.1M $ | 2.67 % | as of Jul 31, 2026 ↗ |
| Fidelity Worldwide Fund Fidelity Investment Trust | 1,786,900 | 25.4M $ | 0.65 % | as of Jul 31, 2026 ↗ |
| iShares Europe ETF iShares Trust | 1,712,684 | 23.8M $ | 1.46 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price International Equity Index Fund T. ROWE PRICE INTERNATIONAL INDEX FUND, INC. | 1,712,601 | 24.4M $ | 0.90 % | as of Jul 31, 2026 ↗ |
| Domini Impact International Equity Fund Domini Investment Trust | 1,712,568 | 24.4M $ | 2.38 % | as of Jul 31, 2026 ↗ |
| JPMorgan Europe Dynamic Fund JPMorgan Trust I | 1,644,757 | 23.4M $ | 3.25 % | as of Jul 31, 2026 ↗ |
| International Value Fund American Century World Mutual Funds, Inc. | 1,615,130 | 20.2M $ | 1.50 % | as of May 31, 2026 ↗ |
| Dimensional World ex. U.S. Core Equity 2 ETF Dimensional ETF Trust | 1,607,295 | 22.8M $ | 0.19 % | as of Jul 31, 2026 ↗ |
| Fidelity Flex International Index Fund Fidelity Salem Street Trust | 1,584,452 | 22.5M $ | 0.52 % | as of Jul 31, 2026 ↗ |
| Transamerica International Stock TRANSAMERICA FUNDS | 1,567,969 | 22.2M $ | 2.02 % | as of Jul 31, 2026 ↗ |
| Neuberger International Equity Fund NEUBERGER BERMAN EQUITY FUNDS | 1,553,229 | 19.4M $ | 1.84 % | as of May 31, 2026 ↗ |
| EQ/International Equity Index Portfolio EQ Advisors Trust | 1,492,252 | 20.6M $ | 0.90 % | as of Jun 30, 2026 ↗ |
| Non-U.S. Intrinsic Value Fund American Century World Mutual Funds, Inc. | 1,489,974 | 18.6M $ | 3.42 % | as of May 31, 2026 ↗ |
| VIP International Capital Appreciation Portfolio Variable Insurance Products Fund II | 1,488,229 | 20.7M $ | 2.06 % | as of Jun 30, 2026 ↗ |
| Invesco RAFI Developed Markets ex-U.S. ETF Invesco Exchange-Traded Fund Trust II | 1,468,678 | 20.8M $ | 0.72 % | as of Jul 31, 2026 ↗ |
| Voya VACS Index Series I Portfolio Voya VARIABLE PORTFOLIOS INC | 1,465,090 | 20.3M $ | 0.88 % | as of Jun 30, 2026 ↗ |
| International Equities Index Fund VALIC Co I | 1,436,423 | 18M $ | 0.82 % | as of May 31, 2026 ↗ |
| Dimensional VA International Value Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 1,420,111 | 20.2M $ | 2.48 % | as of Jul 31, 2026 ↗ |
| Fidelity New Millennium Fund Fidelity Mt. Vernon Street Trust | 1,412,700 | 17.7M $ | 0.30 % | as of May 31, 2026 ↗ |
| Mercer Non-US Core Equity Fund Mercer Funds | 1,397,490 | 19.3M $ | 0.40 % | as of Jun 30, 2026 ↗ |
| Storebrand Global Plus Storebrand Asset Management AS | 1,369,402 | 142.6M SEK | 0.32 % | as of Mar 31, 2026 ↗ |
| Skandia Europa Exponering Skandia Fonder AB | 1,366,358 | 142.3M SEK | 1.49 % | as of Mar 31, 2026 ↗ |
| Swedbank Robur Transfer 60 Swedbank Robur Fonder AB | 1,356,651 | 141.3M SEK | 0.32 % | as of Mar 31, 2026 ↗ |
| International Equity Index Fund GuideStone Funds | 1,333,075 | 18.5M $ | 0.89 % | as of Jun 30, 2026 ↗ |
| SA International Value Fund SA FUNDS INVESTMENT TRUST | 1,315,931 | 18.2M $ | 2.93 % | as of Jun 30, 2026 ↗ |
| iShares MSCI World ETF iShares, Inc. | 1,312,156 | 16.4M $ | 0.20 % | as of May 31, 2026 ↗ |
| Fidelity International Discovery K6 Fund Fidelity Investment Trust | 1,306,648 | 18.6M $ | 3.12 % | as of Jul 31, 2026 ↗ |
| Schwab International Core Equity Fund SCHWAB CAPITAL TRUST | 1,306,219 | 18.6M $ | 1.91 % | as of Jul 31, 2026 ↗ |
| Harbor International Core Fund HARBOR FUNDS | 1,292,411 | 18.4M $ | 0.79 % | as of Jul 31, 2026 ↗ |
| International Tilts Master Portfolio Master Investment Portfolio | 1,265,677 | 17.6M $ | 1.83 % | as of Jun 30, 2026 ↗ |
| EQ/International Managed Volatility Portfolio EQ Advisors Trust | 1,226,430 | 17M $ | 0.89 % | as of Jun 30, 2026 ↗ |
| iShares International Equity Factor ETF iShares Trust | 1,202,754 | 17.1M $ | 0.47 % | as of Jul 31, 2026 ↗ |
| State Street(R) SPDR(R) MSCI ACWI ex-US ETF SPDR INDEX SHARES FUNDS | 1,202,670 | 16.6M $ | 0.60 % | as of Jun 30, 2026 ↗ |
| International Growth Portfolio PACIFIC SELECT FUND | 1,179,614 | 16.4M $ | 2.25 % | as of Jun 30, 2026 ↗ |
| Swedbank Robur Access Global Swedbank Robur Fonder AB | 1,171,703 | 122M SEK | 0.21 % | as of Mar 31, 2026 ↗ |
| DWS CROCI (R) International Fund DEUTSCHE DWS INTERNATIONAL FUND, INC. | 1,170,154 | 14.6M $ | 2.52 % | as of May 31, 2026 ↗ |
| AQR Style Premia Alternative Fund AQR Funds | 1,166,903 | 16.2M $ | 0.64 % | as of Jun 30, 2026 ↗ |
| Old Westbury Small & Mid Cap Strategies Fund Old Westbury Funds Inc | 1,161,706 | 16.5M $ | 0.18 % | as of Jul 31, 2026 ↗ |
| VIP Contrafund Portfolio Variable Insurance Products Fund II | 1,158,115 | 16.1M $ | 0.05 % | as of Jun 30, 2026 ↗ |
| NYLIM FTSE International Equity Currency Neutral ETF NYLIM ETF Trust | 1,120,490 | 15.9M $ | 0.78 % | as of Jul 31, 2026 ↗ |
| Avanza Global Avanza Fonder AB | 1,115,811 | 116.2M SEK | 0.27 % | as of Mar 31, 2026 ↗ |
| Fidelity Advisor New Insights Fund Fidelity Contrafund | 1,110,930 | 15.4M $ | 0.05 % | as of Jun 30, 2026 ↗ |
| Handelsbanken Developed Markets Index Criteria Handelsbanken Fonder AB | 1,099,726 | 114.6M SEK | 0.25 % | as of Mar 31, 2026 ↗ |
| SIT International Equity Fund SEI INSTITUTIONAL INTERNATIONAL TRUST | 1,072,570 | 14.9M $ | 0.41 % | as of Jun 30, 2026 ↗ |
| World ex U.S. Core Equity Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 1,019,534 | 14.4M $ | 0.27 % | as of Jul 31, 2026 ↗ |
| Bridge Builder Tax Managed International Equity Fund Bridge Builder Trust | 1,014,489 | 14.1M $ | 0.50 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Balanced Fund, Inc. T. Rowe Price Balanced Fund, Inc. | 1,008,949 | 14M $ | 0.27 % | as of Jun 30, 2026 ↗ |
| AST International Equity Portfolio Advanced Series Trust | 998,769 | 13.9M $ | 0.81 % | as of Jun 30, 2026 ↗ |
| MetLife MSCI EAFE Index Portfolio Brighthouse Funds Trust II | 988,860 | 13.7M $ | 0.88 % | as of Jun 30, 2026 ↗ |
| Total International Ex U.S. Index Master Portfolio Master Investment Portfolio | 959,906 | 13.3M $ | 0.53 % | as of Jun 30, 2026 ↗ |
| Putnam Dynamic Asset Allocation Growth Fund Putnam Asset Allocation Funds | 954,600 | 13.2M $ | 0.31 % | as of Jun 30, 2026 ↗ |
| THRIVENT INTERNATIONAL EQUITY PORTFOLIO Thrivent Series Fund, Inc. | 932,780 | 12.9M $ | 0.68 % | as of Jun 30, 2026 ↗ |
| Storebrand Global All Countries Storebrand Asset Management AS | 914,517 | 95.3M SEK | 0.21 % | as of Mar 31, 2026 ↗ |
| Lord Abbett International Equity Fund LORD ABBETT SECURITIES TRUST | 908,621 | 12.9M $ | 1.53 % | as of Jul 31, 2026 ↗ |
| American Beacon International Equity Fund AMERICAN BEACON FUNDS | 908,214 | 12.8M $ | 2.11 % | as of Jul 31, 2026 ↗ |
| AQR International Multi-Style Fund AQR Funds | 900,385 | 12.5M $ | 1.25 % | as of Jun 30, 2026 ↗ |
| AST Balanced Asset Allocation Portfolio Advanced Series Trust | 896,013 | 12.4M $ | 0.06 % | as of Jun 30, 2026 ↗ |
| Carillon ClariVest International Stock Fund Carillon Series Trust | 872,945 | 12.1M $ | 0.93 % | as of Jun 30, 2026 ↗ |
| PACE International Equity Investments PACE SELECT ADVISORS TRUST | 859,347 | 12.2M $ | 1.63 % | as of Jul 31, 2026 ↗ |
| Skandia Global Exponering Skandia Fonder AB | 848,925 | 88.4M SEK | 0.28 % | as of Mar 31, 2026 ↗ |
| Thrivent International Large Cap ETF Thrivent ETF Trust | 845,847 | 11.7M $ | 1.40 % | as of Jun 30, 2026 ↗ |
| Fidelity Contrafund K6 Fidelity Contrafund | 843,919 | 11.7M $ | 0.03 % | as of Jun 30, 2026 ↗ |
| SIIT WORLD EQUITY EX-US FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 808,839 | 10.1M $ | 0.11 % | as of May 31, 2026 ↗ |
| AST PGIM Aggressive Multi-Asset Portfolio Advanced Series Trust | 799,001 | 11.1M $ | 0.08 % | as of Jun 30, 2026 ↗ |
| ATM International Managed Volatility Portfolio EQ Advisors Trust | 781,510 | 10.8M $ | 0.88 % | as of Jun 30, 2026 ↗ |
Funds that publish their own holdings
| Fund | Weight in fund | |
|---|---|---|
| BNP Paribas Funds Euro Equity BNP Paribas Asset Management Luxembourg | 5.15 % | as of Dec 31, 2025 ↗ |
| BNP Paribas Funds Europe Equity BNP Paribas Asset Management Luxembourg | 4.86 % | as of Dec 31, 2025 ↗ |
| Echiquier Value Europe La Financière de l'Échiquier | 4.17 % | as of Mar 31, 2026 ↗ |
| Echiquier Agressor La Financière de l'Échiquier | 3.92 % | as of Mar 31, 2026 ↗ |
| Mandarine Funds - Mandarine Social Leaders Mandarine Gestion | 3.54 % | as of Jun 30, 2026 ↗ |
| BNP Paribas Funds Sustainable Europe Value BNP Paribas Asset Management Luxembourg | 3.44 % | as of Dec 31, 2025 ↗ |
| Echiquier Alpha Major SRI La Financière de l'Échiquier | 3.20 % | as of Mar 31, 2026 ↗ |
| Echiquier Major SRI Growth Europe La Financière de l'Échiquier | 3.13 % | as of Mar 31, 2026 ↗ |
| BNP Paribas Funds Europe Growth BNP Paribas Asset Management Luxembourg | 2.83 % | as of Dec 31, 2025 ↗ |
| BNP Paribas Funds Euro Defensive Equity BNP Paribas Asset Management Luxembourg | 2.52 % | as of Dec 31, 2025 ↗ |
| Pictet - Euroland Index Pictet Asset Management (Europe) S.A. | 2.21 % | as of Sep 30, 2025 ↗ |
| BNP Paribas Funds Sustainable Europe Dividend BNP Paribas Asset Management Luxembourg | 2.17 % | as of Dec 31, 2025 ↗ |
| Amundi Actions Euro Responsable Équilibre Amundi Asset Management | 1.82 % | as of Apr 30, 2026 ↗ |
| Amundi Actions Euro Responsable Amundi Asset Management | 1.74 % | as of Dec 31, 2025 ↗ |
| DNCA Invest - Euro Dividend Grower DNCA Finance Luxembourg | 1.58 % | as of Dec 31, 2025 ↗ |
| Pictet - Europe Index Pictet Asset Management (Europe) S.A. | 1.20 % | as of Sep 30, 2025 ↗ |
| Echiquier ARTY SRI La Financière de l'Échiquier | 1.16 % | as of Mar 31, 2026 ↗ |
| BNP Paribas Funds Sustainable Euro Multi-Factor Equity BNP Paribas Asset Management Luxembourg | 0.67 % | as of Dec 31, 2025 ↗ |
| Echiquier Patrimoine La Financière de l'Échiquier | 0.52 % | as of Mar 31, 2026 ↗ |
| Amundi Rendement Plus Select Amundi Asset Management | 0.29 % | as of Jun 30, 2025 ↗ |
| BNP Paribas Funds Sustainable Europe Multi-Factor Equity BNP Paribas Asset Management Luxembourg | 0.26 % | as of Dec 31, 2025 ↗ |
| Amundi Valeurs Durables Amundi Asset Management | 0.23 % | as of Jun 30, 2025 ↗ |
| Solidarité Amundi Asset Management | 0.21 % | as of Dec 31, 2025 ↗ |
| Amundi Dynamique Climat Amundi Asset Management | 0.06 % | as of Sep 30, 2025 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| iShares MSCI Spain ETF iShares, Inc. | 17.92 % | as of May 31, 2026 ↗ |
| ACCION IBEX 35 ETF, FI COTIZADO ARMONIZADO BBVA ASSET MANAGEMENT, S.A., SGIIC | 16.62 % | as of Dec 31, 2025 ↗ |
| BINDEX ESPAÑA INDICE, FI BBVA ASSET MANAGEMENT, S.A., SGIIC | 16.44 % | as of Dec 31, 2025 ↗ |
| ING DIRECT FONDO NARANJA IBEX 35, FI AMUNDI IBERIA, SGIIC, S.A. | 16.24 % | as of Dec 31, 2025 ↗ |
| SANTANDER INDICE ESPAÑA, FI SANTANDER ASSET MANAGEMENT, S.A., SGIIC | 16.06 % | as of Dec 31, 2025 ↗ |
| BBVA BOLSA INDICE, FI BBVA ASSET MANAGEMENT, S.A., SGIIC | 16.02 % | as of Dec 31, 2025 ↗ |
| CAIXABANK BOLSA INDICE ESPAÑA, FI CAIXABANK ASSET MANAGEMENT SGIIC, S.A. | 16.00 % | as of Dec 31, 2025 ↗ |
| CAIXABANK BOLSA ESPAÑA 150, FI CAIXABANK ASSET MANAGEMENT SGIIC, S.A. | 13.45 % | as of Dec 31, 2025 ↗ |
| BANKINTER BOLSA ESPAÑA, FI BANKINTER GESTION DE ACTIVOS, S.A., S.G.I.I.C. | 11.53 % | as of Dec 31, 2025 ↗ |
| ALLIANZ BOLSA ESPAÑOLA, FI INVERSIS GESTIÓN, S.A., SGIIC | 11.34 % | as of Dec 31, 2025 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 472 | +7 | 2,175,382,564 | -4.2 % |
| 2026Q2 | 465 | +6 | 2,270,454,997 | -2.3 % |
| 2026Q1 | 459 | +1 | 2,323,660,804 | -2.0 % |
| 2025Q4 | 458 | +19 | 2,371,056,936 | +3.6 % |
| 2025Q3 | 439 | +36 | 2,289,122,752 | +3.1 % |
| 2025Q2 | 403 | +48 | 2,220,383,491 | +9.6 % |
| 2025Q1 | 355 | -8 | 2,025,278,280 | -0.8 % |
| 2024Q4 | 363 | +1 | 2,042,204,467 | -1.7 % |
| 2024Q3 | 362 | +18 | 2,077,620,635 | -0.4 % |
| 2024Q2 | 344 | +13 | 2,086,431,816 | +23.3 % |
| 2024Q1 | 331 | -8 | 1,692,638,683 | -18.3 % |
| 2023Q4 | 339 | 2,070,826,047 |
Short sellers of Banco Santander SA
Regulators publish the open short positions in this company. Titelia read them from quivad on Aug 20, 2026: today's figure
This market only publishes an aggregate total, naming no seller. It stood at 0.2 % as of Jul 13, 2026.
Funds holding the debt of Banco Santander SA
650 funds declare 2,249 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
Cite this page
Titelia. "Fund shareholders of Banco Santander SA". https://titelia.com/en/stocks/banco-santander-sa-ES0113900J37