Strategy Inc (MSTR) ownership: Top institutional holder: Capital International Investors ($3.92B). Insider activity: Net Seller (3 buys, 17 sells). 9 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Capital International Investors | 31441761.00 | $3.92B | 2026-03-31 |
| VANGUARD GROUP INC | 24062886.00 | $3.66B | 2025-12-31 |
| Tidal Investments LLC | 14616200.00 | $2.22B | 2025-12-31 |
| BlackRock, Inc. | 17753885.00 | $2.22B | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 17437600.00 | $2.18B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14741707.00 | $1.84B | 2026-03-31 |
| JANE STREET GROUP, LLC | 14720700.00 | $1.84B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 14077512.00 | $1.76B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Buy | null | 2026-06-22 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Buy | null | 2026-06-16 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.