Ideaya BiosciencesIDYA
13F holders, Q2 2026 (June 30)285holders +31
63new positions
34sold out
6famous investors
$37.20avg. 13F price*
At the end of Q2 2026, 285 institutions reported holding Ideaya Biosciences Inc. (IDYA) in their 13F filings, up 31 from Q1 2026. 63 opened new positions and 34 sold out. The largest holders were FMR LLC ($525.9M), BlackRock, Inc. ($331.5M) and Jupiter Topco LLC ($319.7M). 6 famous investors held it, including Ken Fisher (0.0% of Fisher Asset Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ideaya Biosciences Inc.
- CUSIP
- 45166A102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $164.1M |
| Exits | 34 | $73.1M |
All 13F filers, Q1 2026 → Q2 2026: 14,694,788 shares bought and 8,490,651 shares sold, net +6,204,137 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 285 holders
| FMR LLC | 0.02% | Add +7.1% | 14,109,431 | $525.9M |
| BlackRock, Inc. | 0.00% | Add +5.3% | 8,893,260 | $331.5M |
| Jupiter Topco LLC | 0.13% | — | 8,579,881 | $319.7M |
| Capital Research Global Investors | 0.03% | Add +3.5% | 5,344,701 | $199.2M |
| Baker Bros. Advisors LP | 0.94% | Add +26.9% | 5,010,030 | $186.7M |
| State Street Corp. | 0.01% | Add +20.3% | 4,548,911 | $169.5M |
| Vanguard Capital Management LLC | 0.00% | Add +10.7% | 4,132,646 | $154.0M |
| Logos Global Management LP | 4.81% | Reduce -13.0% | 3,000,000 | $111.8M |
| Adage Capital Partners Gp, L.L.C. | 0.14% | Reduce -3.8% | 2,715,391 | $101.2M |
| Deerfield Management Company, L.P. | 1.26% | Add +77.4% | 2,714,503 | $101.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.0% | 2,425,602 | $90.4M |
| T. Rowe Price Associates Inc. | 0.01% | Add +67.8% | 2,207,451 | $82.3M |
| Morgan Stanley | 0.00% | Add +3.8% | 1,931,491 | $72.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +24.6% | 1,661,281 | $61.9M |
| Alliancebernstein L.P. | 0.02% | Add +1514.8% | 1,627,521 | $54.2M |
| Fiera Capital Corp | 0.20% | Reduce -42.8% | 1,445,885 | $53.9M |
| Federated Hermes, Inc. | 0.08% | Reduce -52.1% | 1,431,630 | $53.4M |
| GSK plc | 8.25% | No change | 1,333,333 | $49.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +15.3% | 1,269,889 | $47.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -25.6% | 1,231,614 | $45.9M |
| Candriam S.C.A. | 0.18% | Reduce -1.4% | 1,092,301 | $40.7M |
| Bank of America Corp. | 0.00% | Add +8.9% | 1,026,143 | $38.2M |
| Sofinnova Investments, Inc. | 1.84% | Reduce -18.3% | 925,119 | $34.5M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 891,608 | $33.2M |
| Fisher Asset Management | 0.01% | Reduce -3.6% | 851,306 | $31.7M |
| Vanguard Portfolio Management LLC | 0.00% | Add +10.2% | 821,612 | $30.6M |
| Northern Trust Corp. | 0.00% | Add +9.5% | 804,118 | $30.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.5% | 754,888 | $28.1M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -0.5% | 712,674 | $26.6M |
| UBS Group AG | 0.00% | Reduce -13.9% | 656,721 | $24.5M |
| Nuveen, LLC | 0.01% | Add +42.8% | 640,257 | $23.9M |
| Redmile Group, LLC | 1.60% | Add +22.9% | 640,202 | $23.9M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +10.6% | 621,025 | $23.1M |
| Qube Research & Technologies Ltd | 0.02% | Add +1.4% | 592,473 | $22.1M |
| Aberdeen Group plc | 0.03% | Add +2.8% | 560,934 | $20.9M |
| New York State Common Retirement Fund | 0.02% | Reduce -2.6% | 501,990 | $18.7M |
| DAFNA Capital Management LLC | 3.53% | Add +4.3% | 497,240 | $18.5M |
| Sio Capital Management, LLC | 3.07% | New | 480,383 | $17.9M |
| Tang Capital Management LLC | 0.77% | No change | 450,000 | $16.8M |
| Affinity Asset Advisors, LLC | 0.74% | New | 400,000 | $14.9M |
| Walleye Capital LLC | 0.07% | New | 386,183 | $14.4M |
| RTW Investments, LP | 0.12% | New | 370,370 | $13.8M |
| Rhenman & Partners Asset Management AB | 1.21% | Add +34.6% | 343,800 | $12.8M |
| BIT Capital GmbH | 0.40% | New | 311,333 | $11.6M |
| General American Investors Co. Inc. | 0.70% | Add +10.0% | 308,240 | $11.5M |
| First Trust Advisors LP | 0.01% | Add +557.0% | 306,729 | $11.4M |
| Citadel Advisors | 0.01% | Reduce -55.8% | 300,438 | $11.2M |
| Wells Fargo & Company | 0.00% | Add +22.4% | 297,848 | $11.1M |
| Balyasny Asset Management L.P. | 0.02% | Add +42.8% | 297,565 | $11.1M |
| Ensign Peak Advisors, Inc | 0.02% | Reduce -70.3% | 267,182 | $10.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.4% | 267,494 | $9.9M |
| Bank of New York Mellon Corp | 0.00% | Add +5.9% | 265,203 | $9.9M |
| Jennison Associates LLC | 0.01% | Reduce -2.8% | 248,559 | $9.3M |
| Man Group plc | 0.02% | Add +42.9% | 245,492 | $9.1M |
| Franklin Resources Inc. | 0.00% | Reduce -0.0% | 230,209 | $8.6M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -12.6% | 224,109 | $8.4M |
| American Century Companies Inc. | 0.00% | Reduce -13.3% | 209,394 | $7.8M |
| SummitTX Capital, L.P. | 0.20% | Add +25.9% | 204,872 | $7.6M |
| Susquehanna Portfolio Strategies, LLC | 0.12% | Add +1.1% | 204,659 | $7.6M |
| Woodline Partners LP | 0.02% | No change | 201,667 | $7.5M |
| Burkehill Global Management, LP | 0.28% | New | 200,000 | $7.5M |
| Sphera Funds Management LTD. | 1.05% | New | 196,408 | $7.3M |
| Verition Fund Management LLC | 0.05% | New | 184,054 | $6.9M |
| Schroder Investment Management Group | 0.00% | Add +183.6% | 187,017 | $6.8M |
| WCM Investment Management, LLC | 0.01% | Reduce -4.3% | 173,785 | $6.4M |
| Swiss National Bank | 0.00% | Add +1.9% | 158,600 | $5.9M |
| Royal Bank of Canada | 0.00% | Reduce -2.3% | 158,152 | $5.9M |
| Victory Capital Management Inc. | 0.00% | Reduce -3.8% | 151,380 | $5.6M |
| Creative Planning | 0.00% | Add +3.8% | 150,582 | $5.6M |
| Rheos Capital Works Inc. | 0.32% | New | 150,000 | $5.6M |
| Invesco Ltd. | 0.00% | Add +30.7% | 145,220 | $5.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -18.2% | 143,285 | $5.3M |
| Platinum Investment Management Ltd. | 1.27% | Add +51.4% | 138,708 | $5.2M |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0.15% | Add +13.3% | 138,336 | $5.2M |
| Tema ETFs LLC | 0.16% | Add +21.0% | 135,847 | $5.1M |
| Tidal Investments LLC | 0.01% | Add +21.0% | 135,847 | $5.1M |
| Voya Investment Management LLC | 0.00% | Add +766.9% | 124,118 | $4.6M |
| TD Asset Management Inc | 0.00% | Add +171.7% | 118,670 | $4.4M |
| Congress Asset Management Co. | 0.03% | New | 117,713 | $4.4M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +786.3% | 112,800 | $4.2M |
| Rhumbline Advisers | 0.00% | Add +4.1% | 111,764 | $4.2M |
| Citigroup Inc. | 0.00% | Add +24.9% | 110,970 | $4.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +47.6% | 107,585 | $4.0M |
| Odyssean, LLC | 0.62% | Add +571.6% | 102,582 | $3.8M |
| Integral Health Asset Management, LLC | 0.15% | New | 100,000 | $3.7M |
| Atle Fund Management AB | 0.95% | Add +203.5% | 94,478 | $3.5M |
| California State Teachers Retirement System | 0.00% | Reduce -2.8% | 93,936 | $3.5M |
| Deutsche Bank AG | 0.00% | Reduce -75.2% | 93,844 | $3.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -49.1% | 90,135 | $3.4M |
| Alps Advisors Inc. | 0.02% | Add +24.2% | 88,769 | $3.3M |
| Great Lakes Advisors, LLC | 0.02% | Reduce -37.8% | 87,747 | $3.3M |
| Legal & General Group Plc | 0.00% | Add +14.1% | 80,461 | $3.0M |
| KVP Capital Advisors, LP | 2.18% | No change | 79,700 | $3.0M |
| Martingale Asset Management L P | 0.06% | Add +52.5% | 70,360 | $2.6M |
| Sei Investments Co. | 0.00% | Reduce -18.6% | 68,986 | $2.6M |
| AQR Capital Management | 0.00% | Add +61.2% | 67,976 | $2.5M |
| Ally Bridge Group (NY) LLC | 3.24% | New | 67,500 | $2.5M |
| Assetmark, Inc. | 0.00% | Reduce -0.9% | 65,021 | $2.4M |
| Eventide Asset Management, LLC | 0.03% | New | 65,000 | $2.4M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -26.0% | 64,150 | $2.4M |
"% of holder's portfolio" is IDYA's weight in each manager's 13F, not the share of Ideaya Biosciences Inc. the manager owns.