Who Owns STRATEGY INC (MSTR)? -- Institutional Holders (2026-06-30)
1,096 institutions reported holding $41.41B of STRATEGY INC (MSTR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Capital International Investors ($3.05B), VANGUARD GROUP INC ($2.89B), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($2.71B), JANE STREET GROUP, LLC ($2.35B), CITADEL ADVISORS LLC ($2.19B). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Capital International Investors | $3.05B | 34.9M | Added |
| 2 | VANGUARD GROUP INC | $2.89B | 33.3M | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.71B | 31.1M | Trimmed |
| 4 | JANE STREET GROUP, LLC | $2.35B | 27.1M | Trimmed |
| 5 | CITADEL ADVISORS LLC | $2.19B | 25.1M | Trimmed |
| 6 | IMC-Chicago, LLC | $1.87B | 21.5M | Added |
| 7 | CTC LLC | $1.85B | 641,135 | Trimmed |
| 8 | BlackRock, Inc. | $1.82B | 19.4M | Added |
| 9 | Tidal Investments LLC | $1.45B | 16.8M | Trimmed |
| 10 | D. E. Shaw & Co., Inc. | $1.14B | 2.9M | Trimmed |
| 11 | GOLDMAN SACHS GROUP INC | $968.8M | 11.1M | Added |
| 12 | MORGAN STANLEY | $833.9M | 9.3M | Added |
| 13 | STATE STREET CORP | $814.7M | 7.5M | Trimmed |
| 14 | Invesco Ltd. | $812.0M | 9.3M | Trimmed |
| 15 | Weiss Asset Management LP | $659.3M | 829,895 | Added |
| 16 | Linden Advisors LP | $640.6M | 0 | Trimmed |
| 17 | UBS Group AG | $542.3M | 6.2M | Trimmed |
| 18 | WOLVERINE ASSET MANAGEMENT LLC | $505.4M | 1.4M | Trimmed |
| 19 | ARISTEIA CAPITAL, L.L.C. | $442.4M | 0 | Added |
| 20 | Capital World Investors | $418.2M | 4.3M | Added |
| 21 | SIMPLEX TRADING, LLC | $402.2M | 4.6M | Trimmed |
| 22 | GEODE CAPITAL MANAGEMENT, LLC | $399.3M | 4.6M | Trimmed |
| 23 | NORGES BANK | $345.9M | 4.0M | Added |
| 24 | GROUP ONE TRADING LLC | $323.8M | 3.7M | Added |
| 25 | Marex Group plc | $317.9M | 3.7M | Added |
Source: SEC Form 13F filings · as of 2026-06-30