Keros Therapeutics, Inc. (KROS) ownership: Top institutional holder: VANGUARD GROUP INC ($31.06M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 1525355.00 | $31.06M | 2025-12-31 |
| BlackRock, Inc. | 2411793.00 | $26.63M | 2026-03-31 |
| Nantahala Capital Management, LLC | 1360419.00 | $15.02M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 831421.00 | $9.18M | 2026-03-31 |
| ORBIMED ADVISORS LLC | 759155.00 | $8.38M | 2026-03-31 |
| Qube Research & Technologies Ltd | 724926.00 | $8.00M | 2026-03-31 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 706071.00 | $7.80M | 2026-03-31 |
| FEDERATED HERMES, INC. | 689229.00 | $7.61M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Buy | null | 2026-08-17 | |
| Buy | null | 2026-07-15 | |
| 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.