IDEAYA Biosciences, Inc. (IDYA) ownership: insiders 4% · institutions 100% (13F 2026-03-31). Insider activity, 90 days: Routine (1 sales, 0 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| FMR (Fidelity) | 13172103.00 | $438.89M | 13.7% | 2026-03-31 |
| BlackRock | 8442133.00 | $281.29M | 8.7% | 2026-03-31 |
| Janus Henderson | 7265253.00 | $242.02M | 7.5% | 2026-03-31 |
| Vanguard | 5165227.00 | $172.11M | 5.4% | 2026-03-31 |
| Capital Group | 5163543.00 | $172.05M | 5.4% | 2026-03-31 |
| Baker BROS. Advisors LP | 3946515.00 | $131.50M | 4.1% | 2026-03-31 |
| State Street | 3781167.00 | $125.99M | 3.9% | 2026-03-31 |
| Logos Global Management LP | 3450000.00 | $114.95M | 3.6% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-07 | |
| Sell | null | 2026-07-07 | |
| Sell | null | 2026-07-07 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | 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.