8 institutions reported holding $4.6M of IDEAYA BIOSCIENCES INC (IDYA) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($4.4M), Versant Capital Management, Inc ($105,288), GAMMA Investing LLC ($48,190), KERR FINANCIAL PLANNING Corp ($18,635), MassMutual Private Wealth & Trust, FSB ($10,846). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $4.4M | 117,713 | New |
| 2 | Versant Capital Management, Inc | $105,288 | 2,825 | Added |
| 3 | GAMMA Investing LLC | $48,190 | 1,293 | Trimmed |
| 4 | KERR FINANCIAL PLANNING Corp | $18,635 | 500 | New |
| 5 | MassMutual Private Wealth & Trust, FSB | $10,846 | 291 | Trimmed |
| 6 | Cedar Mountain Advisors, LLC | $8,609 | 231 | Hold |
| 7 | CoreCap Advisors, LLC | $2,236 | 60 | Hold |
| 8 | EASTERN BANK | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30