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

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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions39$38.5M
Exits30$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
Susquehanna International Group, LLP 0.00% Reduce -26.5% 46,709 $1.6M
First Trust Advisors LP 0.00% Add +5.9% 46,687 $1.6M
MetLife Investment Management, LLC 0.01% Add +1.3% 46,404 $1.5M
Martingale Asset Management L P 0.04% New 46,142 $1.5M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +2.6% 45,865 $1.5M
Ameriprise Financial Inc. 0.00% Add +0.7% 45,263 $1.5M
TD Asset Management Inc 0.00% Reduce -5.2% 43,670 $1.5M
State of Wisconsin Investment Board 0.00% Reduce -0.3% 42,979 $1.4M
Tudor Investment Corporation 0.01% Reduce -10.9% 42,705 $1.4M
AQR Capital Management 0.00% Reduce -38.2% 42,163 $1.4M
Wesbanco Bank Inc. 0.04% No change 39,700 $1.3M
Knights of Columbus Asset Advisors LLC 0.07% Add +19.1% 39,530 $1.3M
Profund Advisors LLC 0.05% Reduce -16.6% 39,299 $1.3M
Flax Pond Capital, LLC 1.05% Add +0.3% 39,242 $1.3M
Atom Investors LP 0.09% New 37,797 $1.3M
Vanguard Global Advisers, LLC 0.00% — 36,660 $1.2M
BNP Paribas Financial Markets 0.00% Add +82.7% 33,224 $1.1M
SG Americas Securities, LLC 0.00% Add +11.8% 32,964 $1.1M
Wellington Management Group LLP 0.00% Reduce -5.3% 32,851 $1.1M
Legato Capital Management LLC 0.10% Add +34.1% 32,042 $1.1M
Handelsbanken Fonder AB 0.00% No change 30,900 $1.0M
STRS Ohio 0.00% Add +18.7% 29,800 $993K
Boothbay Fund Management, LLC 0.02% Reduce -53.9% 27,753 $925K
State of New Jersey Common Pension Fund D 0.00% Add +0.1% 26,958 $898K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +31.8% 26,371 $879K
Stifel Financial Corp. 0.00% Reduce -5.9% 25,715 $857K
Intech Investment Management LLC 0.01% Reduce -24.5% 25,300 $843K
Ishara Investments LP 0.83% New 24,600 $820K
Quantinno Capital Management LP 0.00% Add +15.7% 23,162 $772K
Quantedge Capital Pte Ltd 0.42% Reduce -37.1% 23,100 $770K
Police & Firemen's Retirement System of New Jersey 0.01% Add +8.3% 23,052 $768K
Palumbo Wealth Management LLC 0.19% Reduce -18.3% 22,888 $763K
Arizona State Retirement System 0.00% Reduce -1.7% 21,666 $722K
Vanguard Investments Australia, Ltd. 0.00% — 20,935 $698K
Nano Cap New Millennium Growth Fund L P 0.62% Reduce -7.0% 20,000 $666K
ADAR1 Capital Management, LLC 0.04% No change 20,000 $666K
HSBC Holdings PLC 0.00% Add +3.9% 19,258 $645K
Snowden Capital Advisors LLC 0.02% Add +9.5% 19,231 $641K
Cetera Investment Advisers 0.00% Reduce -23.4% 18,863 $629K
Prudential Financial Inc. 0.00% New 17,465 $582K
KLP Kapitalforvaltning As 0.00% No change 17,300 $576K
Guggenheim Capital LLC 0.00% Add +149.1% 17,093 $570K
Birchview Capital, LP 0.32% New 16,860 $562K
ProShare Advisors LLC 0.00% Reduce -12.7% 16,205 $540K
Barclays PLC 0.00% Reduce -93.2% 15,980 $532K
State Board of Administration of Florida Retirement System 0.00% No change 15,633 $521K
Vanguard Personalized Indexing Management, LLC 0.01% Add +48.6% 15,614 $520K
China Universal Asset Management Co., Ltd. 0.04% Add +9.1% 15,583 $519K
Oppenheimer Asset Management Inc. 0.01% Reduce -1.8% 15,444 $515K
Odyssean, LLC 0.19% Reduce -27.7% 15,274 $509K
Fox Run Management, L.L.C. 0.09% New 15,730 $495K
Atria Investments, Inc 0.01% Add +6.2% 14,820 $494K
Marex Group Ltd 0.01% New 14,501 $483K
Voya Investment Management LLC 0.00% Reduce -3.0% 14,317 $477K
Algert Global LLC 0.01% No change 13,700 $456K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -0.4% 12,727 $424K
Evergreen Capital Management LLC 0.01% No change 11,439 $381K
E Fund Management Co., Ltd. 0.01% — 10,897 $363K
Cinctive Capital Management LP 0.02% Reduce -76.3% 10,869 $362K
Teacher Retirement System of Texas 0.00% Reduce -13.0% 10,174 $339K
Fieldview Capital Management, LLC 0.10% New 10,040 $335K
Tower Research Capital LLC (TRC) 0.01% Add +403.9% 9,076 $302K
Public Employees Retirement Association of Colorado 0.00% No change 9,015 $300K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 8,850 $295K
Jones Financial Companies LLLP 0.00% New 9,589 $292K
Graham Capital Management, L.P. 0.01% Add +50.0% 8,762 $292K
Pinnacle Wealth Planning Services, Inc. 0.03% Reduce -1.3% 8,271 $276K
Contravisory Investment Management, Inc. 0.06% No change 8,183 $273K
Engineers Gate Manager LP 0.00% Reduce -72.8% 8,150 $272K
Virtus Investment Advisers, LLC 0.07% Add +2.5% 8,014 $267K
Group One Trading LLC 0.01% Add +1607.7% 7,992 $266K
Xponance LLC 0.00% Add +24.6% 7,866 $262K
CANADA LIFE ASSURANCE Co 0.00% No change 7,636 $255K
IFP Advisors, Inc 0.00% Reduce -0.1% 6,869 $229K
Integrated Wealth Concepts LLC 0.00% New 6,832 $228K
Park Avenue Securities LLC 0.00% Reduce -18.2% 6,722 $224K
Ameritas Investment Partners, Inc. 0.01% No change 6,710 $224K
Bridgefront Capital, LLC 0.05% Reduce -82.4% 6,363 $212K
Osaic Holdings, Inc. 0.00% Add +4.2% 6,139 $205K
Allspring Global Investments Holdings, LLC 0.00% New 6,181 $201K
Signaturefd, LLC 0.00% Add +2.5% 4,736 $158K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +7.5% 4,580 $153K
Parallel Advisors, LLC 0.00% Add +3.2% 3,969 $132K
PNC Financial Services Group, Inc. 0.00% Add +8.5% 3,803 $127K
KBC Group NV 0.00% No change 3,608 $120K
Nisa Investment Advisors, LLC 0.00% Add +1.1% 3,329 $111K
Cwm, LLC 0.00% Reduce -11.0% 3,259 $109K
Hudson Bay Capital Management LP 0.00% New 3,010 $100K
Quarry LP 0.02% Add +1150.0% 3,000 $100K
Sterling Capital Management LLC 0.00% Reduce -39.4% 2,821 $94K
Covestor Ltd 0.06% Add +32825.0% 2,634 $88K
Fifth Third Bancorp 0.00% New 2,530 $84K
US Bancorp \de 0.00% Add +2.3% 2,498 $83K
Versant Capital Management, Inc 0.01% No change 2,229 $74K
GF Fund Management Co. LTD. 0.00% Add +14.3% 1,969 $66K
Advisory Services Network, LLC 0.00% New 1,880 $63K
Quadrant Capital Group LLC 0.00% No change 1,563 $52K
GAMMA Investing LLC 0.00% Add +5.6% 1,362 $45K
MAI Capital Management 0.00% Add +43.4% 1,338 $45K
Caitong International Asset Management Co., Ltd 0.01% New 960 $32K
ANTIPODES PARTNERS Ltd 0.00% Reduce -20.3% 917 $31K
Atlantic Union Bankshares Corp 0.00% No change 800 $27K
Kemnay Advisory Services Inc. 0.00% New 709 $24K
Smartleaf Asset Management LLC 0.00% Reduce -4.8% 610 $19K
Farther Finance Advisors, LLC 0.00% Reduce -39.7% 554 $18K
Rockefeller Capital Management L.P. 0.00% Reduce -86.0% 532 $18K
Allworth Financial LP 0.00% Add +9.3% 459 $15K
Cassaday & Co Wealth Management LLC 0.00% New 380 $13K
Quantbot Technologies LP 0.00% New 345 $11K
Huntington National Bank 0.00% No change 330 $11K
MassMutual Private Wealth & Trust, FSB 0.00% Add +1.4% 295 $10K
Whittier Trust Co. of Nevada Inc. 0.00% Add +119.8% 277 $9K
Meeder Asset Management Inc. 0.00% Add +96.1% 251 $8K
Cedar Mountain Advisors, LLC 0.00% New 231 $8K
Los Angeles Capital Management LLC 0.00% Reduce -16.5% 217 $7K
Eastern Bank 0.00% No change 192 $6K
Rothschild Investment LLC 0.00% No change 176 $6K
Cullen/Frost Bankers, Inc. 0.00% Add +71.0% 159 $5K
Zions Bancorporation, National Association 0.00% Add +364.7% 158 $5K
Larson Financial Group LLC 0.00% Add +252.5% 141 $5K
EverSource Wealth Advisors, LLC 0.00% Reduce -50.7% 136 $5K
Brown Brothers Harriman & Co. 0.00% No change 133 $4K
Bare Financial Services, Inc 0.00% Add +468.2% 125 $4K
Steward Partners Investment Advisory, LLC 0.00% New 115 $4K
Ascentis Independent Advisors 0.00% New 103 $3K
Sankala Group LLC 0.00% No change 108 $3K
Transamerica Financial Advisors, LLC 0.00% Add +65.6% 101 $3K
Rossby Financial, LCC 0.00% New 89 $3K
Webster Bank, N. A. 0.00% No change 79 $3K
WPG Advisers, LLC 0.00% No change 74 $2K
Avion Wealth 0.00% No change 85 $2K
CoreCap Advisors, LLC 0.00% No change 60 $2K
Gables Capital Management Inc. 0.00% No change 50 $2K
Parkside Financial Bank & Trust 0.00% No change 50 $2K
Park Place Capital Corp 0.00% No change 40 $1K
Root Financial Partners, LLC 0.00% New 35 $1K
Blue Trust, Inc. 0.00% No change 32 $1K
Hantz Financial Services, Inc. 0.00% No change 41 $1K
Private Wealth Management Group, LLC 0.00% No change 28 $933
Cornerstone Financial Management LLC 0.00% No change 27 $900
Fortitude Family Office, LLC 0.00% No change 26 $866
Keating Financial Advisory Services, Inc. 0.00% New 25 $833
National Bank of Canada 0.00% New 24 $799
Trust Co 0.00% No change 20 $666
True Wealth Design, LLC 0.00% No change 18 $600
Bell Investment Advisors, Inc 0.00% No change 18 $600
SBI Securities Co., Ltd. 0.00% No change 12 $400
JPL Wealth Management, LLC 0.00% New 10 $334
CVA Family Office, LLC 0.00% New 10 $333
Vermillion Wealth Management, Inc. 0.00% New 6 $200
Essential Partners LLC 0.00% No change 5 $167
Hughes Financial Services, LLC 0.00% New 4 $133
Rialto Wealth Management, LLC 0.00% New 1 $34
Capital Advisors, Ltd. LLC 0.00% No change 1 $0

"% of holder's portfolio" is IDYA's weight in each manager's 13F, not the share of Ideaya Biosciences Inc. the manager owns.