Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
914 institutional managers reported holding MSTR for the quarter ended Mar 31, 2026. Together they hold about 57% of shares outstanding; the top 10 hold 38%. 121 opened new positions; 168 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 31.63M | 9.47% | $3.95B | added +31.3% | ≤2013 |
| Capital International Investors | 31.44M | 9.42% | $3.93B | added +52.5% | 2021 Q2 |
| BlackRock | 17.75M | 5.32% | $2.22B | added +21.5% | ≤2013 |
| Morgan Stanley | 9.29M | 2.78% | $1.16B | trimmed -1% | ≤2013 |
| UBS | 7.89M | 2.36% | $984.5M | added +8.7% | ≤2013 |
| Capital Research Global Investors | 7.62M | 2.28% | $950.9M | added +8.7% | 2022 Q3 |
| State Street | 7.02M | 2.10% | $876.6M | added +14.6% | ≤2013 |
| Geode Capital | 4.66M | 1.39% | $581.3M | added +19% | ≤2013 |
| Capital Group (American Funds) | 4.28M | 1.28% | $534.7M | added +47.1% | 2021 Q1 |
| Bank OF America CORP /DE/ | 3.97M | 1.19% | $495.2M | added +3.1% | ≤2013 |
| Marex Group plc | 3.41M | 1.02% | $426.0M | added +16.3% | 2024 Q1 |
| Defiance ETFs, LLC | 2.88M | 0.86% | $359.3M | opened | 2026 Q1 |
| Harvest Portfolios Group INC. | 2.68M | 0.80% | $334.6M | added +27% | 2025 Q1 |
| Invesco | 2.13M | 0.64% | $266.2M | added +17.3% | ≤2013 |
| Renaissance Technologies | 2.13M | 0.64% | $266.1M | added +122.6% | 2024 Q3 |
| Cantor Fitzgerald, L. P. | 1.82M | 0.55% | $227.7M | trimmed -25% | 2024 Q1 |
| Goldman Sachs | 1.79M | 0.54% | $223.1M | trimmed -23.3% | ≤2013 |
| Northern Trust | 1.76M | 0.53% | $220.0M | added +11.4% | ≤2013 |
| Charles Schwab Investment Management | 1.56M | 0.47% | $194.4M | added +22.5% | ≤2013 |
| Alberta Investment Management CORP | 1.38M | 0.41% | $172.6M | opened | 2026 Q1 |
| Legal & General Group PLC | 1.37M | 0.41% | $171.4M | unchanged | 2014 Q3 |
| Tidal Investments LLC | 1.36M | 0.41% | $169.8M | added +44.6% | 2020 Q4 |
| Clear Street Group INC. | 1.28M | 0.39% | $160.3M | trimmed -34.9% | 2024 Q3 |
| Susquehanna International Group | 1.28M | 0.38% | $160.1M | added +306.1% | 2019 Q1 |
| Citadel Advisors | 1.22M | 0.36% | $152.3M | added +70.8% | 2023 Q1 |
| BNY Mellon | 1.01M | 0.30% | $126.7M | added +11.1% | ≤2013 |
| FMR (Fidelity) | 975.7k | 0.29% | $121.8M | added +268% | 2018 Q3 |
| Bank OF Montreal /CAN/ | 852.8k | 0.26% | $106.5M | trimmed -21.5% | 2022 Q2 |
| National Pension Service | 822.0k | 0.25% | $102.6M | added +33.8% | 2024 Q2 |
| Deutsche Bank AG\ | 784.9k | 0.23% | $98.0M | added +7.3% | 2013 Q3 |
| Barclays PLC | 771.6k | 0.23% | $96.3M | trimmed -32.6% | ≤2013 |
| Swiss National Bank | 766.1k | 0.23% | $95.7M | added +7.1% | ≤2013 |
| First Trust Advisors LP | 755.9k | 0.23% | $94.4M | added +24.3% | 2017 Q4 |
| Wells Fargo & COMPANY/MN | 726.0k | 0.22% | $90.6M | added +125% | ≤2013 |
| Citigroup INC | 723.0k | 0.22% | $90.3M | added +42.7% | ≤2013 |
| LPL Financial LLC | 707.2k | 0.21% | $88.3M | added +14.8% | 2020 Q4 |
| Weiss Asset Management LP | 667.5k | 0.20% | $83.3M | trimmed -32.3% | 2024 Q4 |
| Natixis Advisors, LLC | 615.2k | 0.18% | $76.8M | added +15.8% | 2022 Q1 |
| Sumitomo Mitsui Trust Group, INC. | 599.3k | 0.18% | $74.8M | trimmed -1.2% | 2024 Q2 |
| Nuveen | 577.3k | 0.17% | $72.1M | added +20% | 2016 Q4 |
| SG Americas Securities, LLC | 558.8k | 0.17% | $69.8M | trimmed -23.3% | 2015 Q3 |
| Amundi | 532.0k | 0.16% | $66.4M | trimmed -88.9% | 2021 Q1 |
| National Bank OF Canada /FI/ | 530.0k | 0.16% | $66.2M | trimmed -47.1% | 2021 Q4 |
| CPP Investment Board | 521.2k | 0.16% | $65.1M | added +18.8% | 2025 Q3 |
| CTC LLC (focused) | 505.2k | 0.15% | $63.1M | added +117.9% | 2023 Q4 |
| T. Rowe Price | 426.2k | 0.13% | $53.2M | added +4.6% | ≤2013 |
| Quadrature Capital LTD | 419.2k | 0.13% | $52.3M | trimmed -44.6% | 2025 Q4 |
| Mitsubishi UFJ Asset Management CO., LTD. | 411.6k | 0.12% | $51.4M | added +8.2% | 2023 Q3 |
| California State Teachers Retirement System | 401.6k | 0.12% | $50.1M | trimmed -1.7% | ≤2013 |
| ProShare Advisors LLC | 400.3k | 0.12% | $50.0M | trimmed -4.2% | 2020 Q4 |
Largest 50 of 914 shown; the full ranked, searchable register is at boothcheck.com/holders/MSTR. 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.