IDEAYA Biosciences (IDYA)
Develops biomarker-selected cancer drugs across small molecules and antibody-drug conjugates.
$32.35
After hours−7.34 (−18.50%)
At close$39.70(+2.15%)
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13F · 13D/G · Form 4
| Institutions | ≈ 105.82% | 102.10M shares | |
|---|---|---|---|
| 294 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 0.80% | 773.5K shares | |
| 4 holders · as of Jul 9, 2026 | |||
| Strategic holders | 7.53% | 7.27M shares | |
| 1 holder · as of May 15, 2026 | |||
| Adds to | 114.15% | ||
96.49M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 114.15%; nothing is left for Other.
13F, as of Jun 30, 2026
294 holders · 102.10M shares · 67 new positions · 160 increased · 90 reduced · 35 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| FMR LLC | 14.11M | 14.62% | +937.3K | Aug 13, 2026 |
| BlackRock, Inc. | 8.89M | 9.22% | +451.1K | Aug 7, 2026 |
| Jupiter Topco LLC | 8.58M | 8.89% | +8.58Mnew | Aug 14, 2026 |
| Capital Research Global Investors | 5.34M | 5.54% | +181.2K | Aug 12, 2026 |
| Baker Bros. Advisors LP | 5.01M | 5.19% | +1.06M | Aug 14, 2026 |
| State Street Corp | 4.55M | 4.71% | +767.7K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 4.13M | 4.28% | +400.2K | Aug 13, 2026 |
| Logos Global Management LP | 3.00M | 3.11% | −450.0K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Janus Henderson Group PLC | 8.30% | 7.27M | 13G | May 15, 2026 |
| BlackRock, Inc. | 8.10% | 7.13M | 13G | Apr 17, 2025 |
| Capital Research Global Investors | 6.00% | 5.28M | 13G | Feb 12, 2026 |
| Baker Bros. Advisors LP | 5.20% | 5.01M | 13G | Aug 14, 2026 |
| Vanguard Capital Management | 5.08% | 4.83M | 13G | Jul 31, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 7, 2026 | Briseno Andres Ruizofficer: Chief Accounting Officer | Sale | 9,550 | $40.01 | 26,466 |
| Mar 2, 2026 | Jeffrey Steindirector | Purchase | 50,000 | $32.96 | 54,281 |
House and Senate disclosures
Not reported.