Ideaya BiosciencesIDYA

13F holders, Q4 2025 (December 31)
246holders +22
46new positions
27sold out
6famous investors
$34.58avg. 13F price*

At the end of Q4 2025, 246 institutions reported holding Ideaya Biosciences Inc. (IDYA) in their 13F filings, up 22 from Q3 2025. 46 opened new positions and 27 sold out. The largest holders were FMR LLC ($454.6M), BlackRock, Inc. ($283.8M) and Janus Henderson Group PLC ($248.3M). 6 famous investors held it, including Steve Cohen (0.1% 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

0100200300 Q1 2024: 204Q1 2024Q2 2024: 199Q2 2024Q3 2024: 209Q3 2024Q4 2024: 206Q4 2024Q1 2025: 207Q1 2025Q2 2025: 204Q2 2025Q3 2025: 224Q3 2025Q4 2025: 246Q4 2025Q1 2026: 254Q1 2026Q2 2026: 285Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions46$78.6M
Exits27$43.2M

All 13F filers, Q3 2025 → Q4 2025: 9,522,277 shares bought and 8,889,664 shares sold, net +632,613 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 246 holders

FMR LLC 0.02% Add +0.0% 13,149,960 $454.6M
BlackRock, Inc. 0.00% Add +1.0% 8,209,392 $283.8M
Janus Henderson Group PLC 0.11% Add +11.8% 7,186,456 $248.3M
Capital Research Global Investors 0.03% Reduce -19.4% 5,279,675 $182.5M
Vanguard Group Inc. 0.00% Add +2.0% 5,019,324 $173.5M
State Street Corp. 0.00% Add +27.6% 4,134,641 $142.9M
Baker Bros. Advisors LP 0.74% Add +10.5% 3,618,826 $125.1M
Federated Hermes, Inc. 0.20% Reduce -26.6% 3,395,771 $117.4M
Logos Global Management LP 7.20% Add +38.9% 3,125,000 $108.0M
Adage Capital Partners Gp, L.L.C. 0.15% Reduce -3.5% 2,800,000 $96.8M
Fiera Capital Corp 0.27% Add +32.6% 2,437,262 $84.3M
Deerfield Management Company, L.P. 1.09% No change 2,153,043 $74.4M
Geode Capital Management, LLC 0.00% Reduce -3.6% 2,073,583 $71.7M
Point72 Asset Management 0.10% Reduce -51.7% 1,844,556 $63.8M
Goldman Sachs Group Inc. 0.01% Add +43.6% 1,770,866 $61.2M
T. Rowe Price Associates Inc. 0.01% Add +30.6% 1,449,145 $50.1M
GSK plc 5.77% — 1,333,333 $46.1M
Morgan Stanley 0.00% Reduce -20.8% 1,252,404 $43.3M
UBS Group AG 0.01% Add +2.8% 1,085,632 $37.5M
Candriam S.C.A. 0.18% Add +1.8% 1,031,354 $35.7M
Ensign Peak Advisors, Inc 0.06% Add +30.0% 979,063 $33.8M
Citadel Advisors 0.02% Reduce -27.2% 959,355 $33.2M
Dimensional Fund Advisors LP 0.01% Add +88.9% 938,857 $32.5M
Bank of America Corp. 0.00% Reduce -1.4% 902,973 $31.2M
Fisher Asset Management 0.01% Add +3.2% 889,633 $30.8M
Sofinnova Investments, Inc. 1.32% Reduce -4.1% 885,121 $30.6M
Redmile Group, LLC 1.89% No change 742,017 $25.7M
Pictet Asset Management Holding SA 0.02% Reduce -28.9% 734,335 $25.4M
First Turn Management, LLC 2.86% New 723,653 $25.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -0.1% 714,633 $24.7M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.03% Add +70.9% 697,925 $24.1M
Northern Trust Corp. 0.00% Reduce -4.9% 675,123 $23.3M
Balyasny Asset Management L.P. 0.04% Add +56.8% 596,483 $20.6M
Aberdeen Group plc 0.03% Add +0.5% 560,623 $19.4M
New York State Common Retirement Fund 0.02% Add +4.0% 508,347 $17.6M
DAFNA Capital Management LLC 4.12% Reduce -6.2% 506,740 $17.5M
Qube Research & Technologies Ltd 0.02% Add +77.4% 467,851 $16.2M
Iron Triangle Partners LP 1.85% Add +73.1% 467,484 $16.2M
Tang Capital Management LLC 0.77% Add +12.5% 450,000 $15.6M
Nuveen, LLC 0.00% Add +79.2% 374,007 $12.9M
Deutsche Bank AG 0.00% Reduce -9.2% 368,481 $12.7M
JPMorgan Chase & Co. 0.00% Add +72.1% 299,888 $10.4M
Eventide Asset Management, LLC 0.15% Reduce -54.6% 284,069 $9.8M
General American Investors Co. Inc. 0.60% No change 280,261 $9.7M
Envestnet Asset Management Inc. 0.00% Reduce -7.2% 277,560 $9.6M
Wells Fargo & Company 0.00% Add +5.4% 256,144 $8.9M
Rhenman & Partners Asset Management AB 0.81% New 250,000 $8.6M
Bank of New York Mellon Corp 0.00% Reduce -1.9% 244,041 $8.4M
Franklin Resources Inc. 0.00% Add +2.0% 240,209 $8.3M
Invesco Ltd. 0.00% Add +91.9% 238,314 $8.2M
Barclays PLC 0.00% Reduce -5.8% 235,872 $8.2M
WCM Investment Management, LLC 0.02% Reduce -6.1% 219,268 $7.6M
Millennium Management 0.01% Add +51.6% 208,548 $7.2M
American Century Companies Inc. 0.00% Add +9.5% 204,398 $7.1M
Susquehanna Portfolio Strategies, LLC 0.11% Add +24.0% 202,434 $7.0M
Woodline Partners LP 0.03% No change 201,667 $7.0M
Nicholas Investment Partners, LP 0.55% New 192,413 $6.7M
Alyeska Investment Group, L.P. 0.02% New 192,308 $6.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -13.6% 174,124 $6.0M
Schroder Investment Management Group 0.00% Reduce -16.8% 171,278 $5.9M
Royal Bank of Canada 0.00% Reduce -59.6% 165,323 $5.7M
Victory Capital Management Inc. 0.00% Reduce -28.6% 163,407 $5.6M
Stempoint Capital LP 0.96% Reduce -56.5% 161,659 $5.6M
Swiss National Bank 0.00% Add +1.8% 155,600 $5.4M
Great Lakes Advisors, LLC 0.04% New 149,993 $5.2M
Creative Planning 0.00% Add +2.4% 136,055 $4.7M
Citigroup Inc. 0.00% Add +211.4% 127,067 $4.4M
Rafferty Asset Management, LLC 0.02% Add +35.6% 126,362 $4.4M
Platinum Investment Management Ltd. 0.96% Reduce -27.8% 120,604 $4.2M
Two Sigma Investments, LP 0.01% Add +3.8% 113,841 $3.9M
Fideuram - Intesa Sanpaolo Private Banking S.P.A. 0.14% — 113,451 $3.9M
Neuberger Berman Group LLC 0.00% New 111,276 $3.8M
Rhumbline Advisers 0.00% Reduce -13.8% 107,625 $3.7M
Alliancebernstein L.P. 0.00% Reduce 0.0% 97,886 $3.4M
Atle Fund Management AB 1.07% New 97,438 $3.4M
MML Investors Services, LLC 0.01% Add +3.2% 83,939 $2.9M
Legal & General Group Plc 0.00% Reduce -8.8% 83,865 $2.9M
Y-Intercept (Hong Kong) Ltd 0.06% New 81,033 $2.8M
California State Teachers Retirement System 0.00% Add +1.8% 75,945 $2.6M
Sio Capital Management, LLC 0.43% Reduce -39.0% 75,730 $2.6M
Assetmark, Inc. 0.01% Reduce -5.7% 71,937 $2.5M
Alps Advisors Inc. 0.01% Add +70.3% 71,789 $2.5M
NEOS Investment Management LLC 0.01% Reduce -4.2% 71,178 $2.5M
Tema ETFs LLC 0.19% Reduce -5.6% 70,128 $2.4M
Manufacturers Life Insurance Company, The 0.00% Add +5.1% 69,909 $2.4M
Sei Investments Co. 0.00% Add +51.3% 68,707 $2.4M
AQR Capital Management 0.00% Add +206.7% 68,177 $2.4M
DekaBank Deutsche Girozentrale 0.00% No change 50,000 $2.4M
XTX Topco Ltd 0.06% New 66,175 $2.3M
Susquehanna International Group, LLP 0.00% Add +40.2% 63,558 $2.2M
Boothbay Fund Management, LLC 0.06% Reduce -19.4% 60,258 $2.1M
Orion Porfolio Solutions, LLC 0.01% Add +7.3% 58,394 $2.0M
Caption Management, LLC 0.09% Add +193.2% 57,167 $2.0M
Lido Advisors, LLC 0.01% New 55,465 $1.9M
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 48,920 $1.7M
Tudor Investment Corporation 0.01% Add +27.5% 47,938 $1.7M
Profund Advisors LLC 0.05% Add +127.7% 47,115 $1.6M
TD Asset Management Inc 0.00% Add +74.1% 46,040 $1.6M
Cinctive Capital Management LP 0.09% Reduce -8.0% 45,965 $1.6M
MetLife Investment Management, LLC 0.01% Reduce -5.6% 45,813 $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.

Show all 246 holders