Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
87 institutional managers reported holding BSBR for the quarter ended Mar 31, 2026. Together they hold about 7% of shares outstanding; the top 10 hold 7%. 16 opened new positions; 11 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Banco Santander, S.a. | 520.22M | 6.96% | $3.10B | unchanged | 2016 Q4 |
| Aquamarine Financial (Cayman) LTD (focused) | 9.82M | 0.13% | $58.4M | unchanged | 2025 Q3 |
| Nomura Asset Management International INC. | 3.42M | 0.05% | $20.4M | trimmed -5.3% | 2025 Q4 |
| Vanguard Group | 3.11M | 0.04% | $18.5M | unchanged | 2016 Q1 |
| Arrowstreet Capital | 2.11M | 0.03% | $12.6M | trimmed -21.6% | 2022 Q2 |
| American Century Companies INC | 1.03M | 0.01% | $6.1M | added +8.7% | 2020 Q2 |
| Goldman Sachs | 803.2k | 0.01% | $4.8M | added +3601.6% | ≤2013 |
| Alpine Global Management, LLC | 775.0k | 0.01% | $4.6M | unchanged | 2025 Q4 |
| Qube Research & Technologies LTD | 736.9k | 0.01% | $4.4M | opened | 2026 Q1 |
| UBS | 471.8k | <0.01% | $2.8M | added +83.6% | ≤2013 |
| Jump Financial | 406.0k | <0.01% | $2.4M | added +98% | 2023 Q1 |
| Marshall Wace | 365.5k | <0.01% | $2.2M | added +69% | 2025 Q4 |
| AllianceBernstein | 338.4k | <0.01% | $2.0M | added +45.7% | 2025 Q2 |
| Morgan Stanley | 296.9k | <0.01% | $1.8M | unchanged | ≤2013 |
| Connor, Clark & Lunn Investment Management LTD. | 294.8k | <0.01% | $1.8M | added +69.5% | 2025 Q2 |
| Invesco | 270.9k | <0.01% | $1.6M | added +16.3% | 2018 Q1 |
| Bank OF America CORP /DE/ | 260.7k | <0.01% | $1.6M | trimmed -46.2% | ≤2013 |
| Deutsche Bank AG\ | 260.0k | <0.01% | $1.5M | unchanged | 2024 Q3 |
| Jane Street | 245.7k | <0.01% | $1.5M | added +224.4% | 2021 Q4 |
| Citadel Advisors | 243.1k | <0.01% | $1.4M | opened | 2021 Q1 |
| BlackRock | 228.0k | <0.01% | $1.4M | added +2.1% | ≤2013 |
| Millennium Management | 224.2k | <0.01% | $1.3M | trimmed -18.5% | 2022 Q2 |
| Dimensional Fund Advisors | 221.9k | <0.01% | $1.3M | added +43.5% | 2024 Q1 |
| Point72 | 193.6k | <0.01% | $1.2M | trimmed -33.9% | 2023 Q4 |
| Wellington Management | 192.7k | <0.01% | $1.1M | trimmed -31.3% | 2023 Q4 |
| D. E. Shaw | 189.7k | <0.01% | $1.1M | opened | 2026 Q1 |
| Aquatic Capital Management LLC | 121.8k | <0.01% | $725k | added +944.7% | 2024 Q2 |
| Mariner, LLC | 99.4k | <0.01% | $591k | added +1.5% | 2022 Q3 |
| Two Sigma | 94.5k | <0.01% | $562k | added +45.9% | 2024 Q1 |
| Campbell & CO Investment Adviser LLC | 91.4k | <0.01% | $544k | added +21.2% | 2025 Q3 |
| VPR Management LLC | 88.0k | <0.01% | $524k | unchanged | 2022 Q4 |
| SPX Gestao de Recursos Ltda | 86.9k | <0.01% | $517k | added +58.9% | 2025 Q4 |
| Public Employees Retirement System OF Ohio | 81.6k | <0.01% | $486k | added +9.4% | 2024 Q3 |
| Brooklyn Investment Group | 69.6k | <0.01% | $414k | added +18.1% | 2025 Q1 |
| AXQ Capital, LP | 67.5k | <0.01% | $401k | opened | 2026 Q1 |
| HRT Financial LP | 51.6k | <0.01% | $307k | added +80% | 2025 Q1 |
| Marex Group plc | 50.0k | <0.01% | $298k | opened | 2026 Q1 |
| O'shaughnessy Asset Management, LLC | 42.3k | <0.01% | $252k | trimmed -3.2% | 2025 Q2 |
| Hantz Financial Services, INC. | 41.2k | <0.01% | $245k | trimmed -14.7% | 2025 Q1 |
| XTX Topco LTD | 39.4k | <0.01% | $235k | added +9.3% | 2025 Q1 |
| Stifel Financial CORP | 33.3k | <0.01% | $198k | opened | 2026 Q1 |
| Vident Advisory, LLC | 32.1k | <0.01% | $191k | added +0.8% | 2025 Q1 |
| Northern Trust | 25.4k | <0.01% | $151k | trimmed -3.7% | ≤2013 |
| Schonfeld Strategic Advisors | 25.0k | <0.01% | $149k | added +37.1% | 2025 Q4 |
| Squarepoint Ops LLC | 24.3k | <0.01% | $144k | opened | 2025 Q3 |
| Gamma Investing LLC | 23.7k | <0.01% | $141k | trimmed -2.5% | 2024 Q1 |
| Verition Fund Management | 21.5k | <0.01% | $128k | opened | 2026 Q1 |
| Savant Capital, LLC | 21.0k | <0.01% | $125k | unchanged | 2025 Q2 |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 18.0k | <0.01% | $107k | added +44.2% | 2025 Q4 |
| Checchi Capital Advisers, LLC | 18.0k | <0.01% | $107k | added +3.2% | 2014 Q1 |
Largest 50 of 87 shown; the full ranked, searchable register is at boothcheck.com/holders/BSBR. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.