Ideaya BiosciencesIDYA
13F holders, Q1 2026 (March 31)254holders +8
39new positions
30sold out
6famous investors
$33.34avg. 13F price*
At the end of Q1 2026, 254 institutions reported holding Ideaya Biosciences Inc. (IDYA) in their 13F filings, up 8 from Q4 2025. 39 opened new positions and 30 sold out. The largest holders were FMR LLC ($438.9M), BlackRock, Inc. ($281.3M) and Janus Henderson Group PLC ($242.0M). 6 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Ideaya Biosciences Inc.
- CUSIP
- 45166A102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 39 | $38.5M |
| Exits | 30 | $29.7M |
All 13F filers, Q4 2025 → Q1 2026: 5,727,433 shares bought and 6,546,644 shares sold, net −819,211 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 254 holders
| FMR LLC | 0.02% | Add +0.2% | 13,172,103 | $438.9M |
| BlackRock, Inc. | 0.00% | Add +2.8% | 8,442,133 | $281.3M |
| Janus Henderson Group PLC | 0.12% | Add +1.1% | 7,265,253 | $242.0M |
| Capital Research Global Investors | 0.03% | Reduce -2.2% | 5,163,543 | $172.0M |
| Baker Bros. Advisors LP | 0.76% | Add +9.1% | 3,946,515 | $131.5M |
| State Street Corp. | 0.00% | Reduce -8.6% | 3,781,167 | $126.0M |
| Vanguard Capital Management LLC | 0.00% | — | 3,732,422 | $124.4M |
| Logos Global Management LP | 5.92% | Add +10.4% | 3,450,000 | $115.0M |
| Federated Hermes, Inc. | 0.16% | Reduce -12.0% | 2,987,107 | $99.5M |
| Adage Capital Partners Gp, L.L.C. | 0.15% | Add +0.8% | 2,823,500 | $94.1M |
| Fiera Capital Corp | 0.29% | Add +3.7% | 2,527,076 | $84.2M |
| Geode Capital Management, LLC | 0.01% | Add +20.6% | 2,500,724 | $83.3M |
| Morgan Stanley | 0.00% | Add +48.5% | 1,860,453 | $62.0M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -6.5% | 1,655,617 | $55.2M |
| Deerfield Management Company, L.P. | 0.71% | Reduce -28.9% | 1,530,008 | $51.0M |
| GSK plc | 7.41% | No change | 1,333,333 | $44.4M |
| Dimensional Fund Advisors LP | 0.01% | Add +42.0% | 1,333,478 | $44.4M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -9.2% | 1,315,869 | $43.8M |
| Sofinnova Investments, Inc. | 1.89% | Add +27.9% | 1,131,786 | $37.7M |
| Candriam S.C.A. | 0.19% | Add +7.4% | 1,107,708 | $36.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Add +57.8% | 1,101,145 | $36.7M |
| Bank of America Corp. | 0.00% | Add +4.3% | 942,091 | $31.4M |
| Ensign Peak Advisors, Inc | 0.06% | Reduce -8.1% | 899,504 | $30.0M |
| Fisher Asset Management | 0.01% | Reduce -0.8% | 882,699 | $29.4M |
| First Turn Management, LLC | 3.25% | Add +20.8% | 873,838 | $29.1M |
| UBS Group AG | 0.00% | Reduce -29.8% | 762,548 | $25.4M |
| Vanguard Portfolio Management LLC | 0.00% | — | 745,593 | $24.8M |
| Northern Trust Corp. | 0.00% | Add +8.7% | 734,121 | $24.5M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -2.5% | 715,906 | $23.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.1% | 715,527 | $23.8M |
| Citadel Advisors | 0.02% | Reduce -29.2% | 679,400 | $22.6M |
| Qube Research & Technologies Ltd | 0.03% | Add +24.8% | 584,033 | $19.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 561,563 | $18.7M |
| Aberdeen Group plc | 0.03% | Reduce -2.7% | 545,631 | $18.2M |
| Redmile Group, LLC | 1.15% | Reduce -29.8% | 521,117 | $17.4M |
| New York State Common Retirement Fund | 0.02% | Add +1.4% | 515,445 | $17.2M |
| DAFNA Capital Management LLC | 3.66% | Reduce -5.9% | 476,740 | $15.9M |
| Tang Capital Management LLC | 0.76% | No change | 450,000 | $15.0M |
| Nuveen, LLC | 0.00% | Add +19.9% | 448,273 | $14.9M |
| Deutsche Bank AG | 0.00% | Add +2.7% | 378,442 | $12.6M |
| Point72 Asset Management | 0.02% | Reduce -82.2% | 327,901 | $10.9M |
| General American Investors Co. Inc. | 0.62% | No change | 280,261 | $9.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.6% | 292,106 | $9.2M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -7.7% | 256,318 | $8.5M |
| Jennison Associates LLC | 0.01% | New | 255,764 | $8.5M |
| Rhenman & Partners Asset Management AB | 1.05% | Add +2.2% | 255,500 | $8.5M |
| Bank of New York Mellon Corp | 0.00% | Add +2.6% | 250,325 | $8.3M |
| Nicholas Investment Partners, LP | 0.68% | Add +29.0% | 248,202 | $8.3M |
| Wells Fargo & Company | 0.00% | Reduce -5.0% | 243,328 | $8.1M |
| American Century Companies Inc. | 0.00% | Add +18.2% | 241,508 | $8.0M |
| Franklin Resources Inc. | 0.00% | Reduce -4.1% | 230,268 | $7.7M |
| Millennium Management | 0.01% | Add +9.8% | 228,980 | $7.6M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -65.1% | 208,345 | $6.9M |
| Susquehanna Portfolio Strategies, LLC | 0.10% | No change | 202,434 | $6.7M |
| Woodline Partners LP | 0.03% | No change | 201,667 | $6.7M |
| Alyeska Investment Group, L.P. | 0.02% | No change | 192,308 | $6.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +262.4% | 177,272 | $5.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.6% | 175,151 | $5.8M |
| Man Group plc | 0.01% | Add +621.3% | 171,846 | $5.7M |
| WCM Investment Management, LLC | 0.01% | Reduce -17.2% | 181,593 | $5.7M |
| SummitTX Capital, L.P. | 0.17% | New | 162,733 | $5.4M |
| Royal Bank of Canada | 0.00% | Reduce -2.1% | 161,837 | $5.4M |
| Victory Capital Management Inc. | 0.00% | Reduce -3.8% | 157,270 | $5.2M |
| Swiss National Bank | 0.00% | No change | 155,600 | $5.2M |
| Creative Planning | 0.00% | Add +6.6% | 145,028 | $4.8M |
| Great Lakes Advisors, LLC | 0.04% | Reduce -6.0% | 141,048 | $4.7M |
| Russell Investments Group, Ltd. | 0.00% | Add +1293.5% | 134,932 | $4.5M |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0.14% | Add +7.6% | 122,064 | $4.1M |
| Neuberger Berman Group LLC | 0.00% | Add +8.4% | 120,603 | $4.0M |
| Atle Fund Management AB | 1.30% | Reduce -68.0% | 31,133 | $4.0M |
| Two Sigma Investments, LP | 0.00% | Add +4.6% | 119,116 | $4.0M |
| Tema ETFs LLC | 0.25% | Add +60.1% | 112,309 | $3.7M |
| Tidal Investments LLC | 0.01% | New | 112,309 | $3.7M |
| Invesco Ltd. | 0.00% | Reduce -53.4% | 111,112 | $3.7M |
| Rhumbline Advisers | 0.00% | Reduce -0.2% | 107,383 | $3.6M |
| Alliancebernstein L.P. | 0.00% | Add +3.0% | 100,786 | $3.5M |
| Squarepoint Ops LLC | 0.01% | New | 99,278 | $3.3M |
| California State Teachers Retirement System | 0.00% | Add +27.3% | 96,655 | $3.2M |
| Platinum Investment Management Ltd. | 0.77% | Reduce -24.0% | 91,637 | $3.1M |
| Citigroup Inc. | 0.00% | Reduce -30.1% | 88,880 | $3.0M |
| Jane Street Group, LLC | 0.00% | New | 88,133 | $2.9M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -31.4% | 86,684 | $2.9M |
| Seven Fleet Capital Management LP | 0.90% | New | 86,283 | $2.9M |
| Sei Investments Co. | 0.00% | Add +23.4% | 84,760 | $2.8M |
| KVP Capital Advisors, LP | 1.98% | New | 79,700 | $2.7M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +4.3% | 72,906 | $2.4M |
| Alps Advisors Inc. | 0.01% | Reduce -0.4% | 71,487 | $2.4M |
| Legal & General Group Plc | 0.00% | Reduce -15.9% | 70,492 | $2.3M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +1172.7% | 66,066 | $2.2M |
| Assetmark, Inc. | 0.00% | Reduce -8.8% | 65,632 | $2.2M |
| Schroder Investment Management Group | 0.00% | Reduce -61.5% | 65,944 | $2.1M |
| MML Investors Services, LLC | 0.01% | Reduce -29.8% | 58,950 | $2.0M |
| AlphaCore Capital LLC | 0.05% | Add +749.6% | 57,406 | $1.9M |
| XTX Topco Ltd | 0.03% | Reduce -14.4% | 56,622 | $1.9M |
| Lido Advisors, LLC | 0.01% | Reduce 0.0% | 55,463 | $1.8M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Reduce -32.6% | 54,618 | $1.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 52,440 | $1.7M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 50,000 | $1.7M |
| Orion Porfolio Solutions, LLC | 0.01% | Reduce -15.5% | 49,357 | $1.6M |
| Acuta Capital Partners, LLC | 1.14% | New | 48,234 | $1.6M |
"% of holder's portfolio" is IDYA's weight in each manager's 13F, not the share of Ideaya Biosciences Inc. the manager owns.