Moody's Corporation (MCO) ownership: Top institutional holder: Berkshire Hathaway Inc ($10.76B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Berkshire Hathaway Inc | 24669778.00 | $10.76B | 2026-03-31 |
| VANGUARD GROUP INC | 15272967.00 | $7.80B | 2025-12-31 |
| TCI FUND MANAGEMENT LTD | 14334027.00 | $6.25B | 2026-03-31 |
| BlackRock, Inc. | 13127824.00 | $5.73B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 9885316.00 | $4.31B | 2026-03-31 |
| STATE STREET CORP | 7138837.00 | $3.11B | 2026-03-31 |
| FMR LLC | 4986752.00 | $2.18B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 4081564.00 | $1.78B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 |
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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.