MSCI Inc. (MSCI) ownership: Top institutional holder: VANGUARD GROUP INC ($5.37B). Insider activity: Net Seller (7 buys, 13 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 9365717.00 | $5.37B | 2025-12-31 |
| BlackRock, Inc. | 5740802.00 | $3.09B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4653076.00 | $2.51B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4024536.00 | $2.17B | 2026-03-31 |
| STATE STREET CORP | 3114932.00 | $1.68B | 2026-03-31 |
| BAMCO INC /NY/ | 2699389.00 | $1.45B | 2026-03-31 |
| MORGAN STANLEY | 2244979.00 | $1.21B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1999610.00 | $1.08B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Buy | null | 2026-05-15 | |
| Buy | null | 2026-05-15 | |
| Buy | null | 2026-05-15 |
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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.