GRAIL, Inc. (GRAL) ownership: Top institutional holder: BAKER BROS. ADVISORS LP ($208.20M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BAKER BROS. ADVISORS LP | 4028614.00 | $208.20M | 2026-03-31 |
| VANGUARD GROUP INC | 1980783.00 | $169.54M | 2025-12-31 |
| FARALLON CAPITAL MANAGEMENT LLC | 3253684.00 | $168.15M | 2026-03-31 |
| BlackRock, Inc. | 2968536.00 | $153.41M | 2026-03-31 |
| STATE STREET CORP | 1891893.00 | $97.77M | 2026-03-31 |
| PRIMECAP MANAGEMENT CO/CA/ | 1843772.00 | $95.29M | 2026-03-31 |
| CRCM LP | 1072374.00 | $91.78M | 2025-12-31 |
| Deep Track Capital, LP | 1722797.00 | $89.03M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-04-15 | |
| Sell | null | 2026-04-15 | |
| Sell | null | 2026-04-15 | |
| Sell | null | 2026-04-08 | |
| Sell | null | 2026-04-08 | |
| Sell | null | 2026-04-08 |
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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.