Ideaya Biosciences, Inc. 13F holders
285 funds reported a position in Ideaya Biosciences, Inc. in their 13F for the quarter ended 30 June 2026, together 102.3 million shares worth $3.81 billion. Against the quarter before, 56 opened a position, 92 added, 86 trimmed and 34 sold out; together they bought a net 6.2 million shares. The largest holders: FMR LLC, BlackRock, Inc. and Jupiter Topco LLC.
What each fund did in IDYA against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in IDYA in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 34 reported a position in Ideaya Biosciences, Inc.: 3 opened one, 12 added, 4 trimmed and 1 sold out, a net 97,097 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Fideuram - Intesa Sanpaolo Private Banking S.p.a. | -138,326 | 10 | trimmed | 13F |
| Congress Asset Management Co. | +29,983 | 147,696 | added | 13F |
| Tema Etfs LLC | +9,334 | 145,181 | added | 13F |
| Atria Investments, Inc | +1,879 | 17,872 | added | 13F |
| Assetmark, Inc. | -1,708 | 63,313 | trimmed | 13F |
| Gamma Investing LLC | +1,022 | 2,315 | added | 13F |
| Park Avenue Securities LLC | -380 | 6,101 | trimmed | 13F |
| Sterling Capital Management LLC | +319 | 1,873 | added | 13F |
| First Horizon Corp. | +265 | 265 | new | 13F |
| Nisa Investment Advisors, LLC | +233 | 3,011 | added | 13F |
| GF Fund Management Co. Ltd | +164 | 2,024 | added | 13F |
| Signaturefd, LLC | +42 | 4,788 | added | 13F |
| SJS Investment Consulting Inc. | +41 | 164 | added | 13F |
| Versant Capital Management, Inc | +25 | 2,850 | added | 13F |
| Private Trust Co. NA | +22 | 22 | new | 13F |
| Fortitude Family Office, LLC | +9 | 49 | added | 13F |
| MassMutual Private Wealth & Trust, FSB | +7 | 298 | added | 13F |
| Farther Finance Advisors, LLC | -5 | 395 | trimmed | 13F |
| DiNuzzo Private Wealth, Inc. | +2 | 2 | new | 13F |
| Ares Financial Consulting, LLC | -25 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Ideaya Biosciences, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 14.1 million shares worth $525.9 million, 0.0% of its reported book. Sold out: Alyeska, Point72 Asset Management. In the quarter, 2 funds added or opened a position and 6 trimmed or sold out; together they sold a net 152,198 shares, about $5.7 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 14,109,431 | $525.9 million | 0.0% | +937,328 | added | 30 June 2026 | 13F |
| Capital Research Global Investors | 5,344,701 | $199.2 million | 0.0% | +181,158 | added | 30 June 2026 | 13F |
| Geode Capital Management | 2,425,602 | $90.4 million | 0.0% | -75,122 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 300,438 | $11.2 million | 0.0% | -378,962 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 41,205 | $1.5 million | 0.0% | -77,911 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 30,589 | $1.1 million | 0.0% | held | 30 June 2026 | 13F | |
| Millennium Management | 10,500 | $391,335 | 0.0% | -218,480 | trimmed | 30 June 2026 | 13F |
| Alyeska | 0 | $0 | 0.0% | -192,308 | exited | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -327,901 | exited | 30 June 2026 | 13F |
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 14,109,431 | 13.79% | $525.9 million | 0.02% | +937,328 | 13F |
| BlackRock, Inc. | 8,893,260 | 8.69% | $331.5 million | 0.01% | +451,127 | 13F |
| Jupiter Topco LLC | 8,579,881 | 8.39% | $319.7 million | 0.13% | first 13F | 13F |
| Capital Research Global Investors | 5,344,701 | 5.23% | $199.2 million | 0.03% | +181,158 | 13F |
| Baker Bros. Advisors LP | 5,010,030 | 4.90% | $186.7 million | 0.94% | +1,063,515 | 13F |
| State Street Corp. | 4,548,911 | 4.45% | $169.5 million | 0.01% | +767,744 | 13F |
| Vanguard Capital Management LLC | 4,132,646 | 4.04% | $154.0 million | 0.00% | +400,224 | 13F |
| Logos Global Management LP | 3,000,000 | 2.93% | $111.8 million | 4.81% | -450,000 | 13F |
| Adage Capital Partners GP, L.l.c. | 2,715,391 | 2.65% | $101.2 million | 0.14% | -108,109 | 13F |
| Deerfield Management Company, L.P. | 2,714,503 | 2.65% | $101.2 million | 1.26% | +1,184,495 | 13F |
| Geode Capital Management, LLC | 2,425,602 | 2.37% | $90.4 million | 0.01% | -75,122 | 13F |
| Price T Rowe Associates Inc. | 2,207,451 | 2.16% | $82.3 million | 0.01% | +891,582 | 13F |
| Morgan Stanley | 1,931,491 | 1.89% | $72.0 million | 0.00% | +71,038 | 13F |
| Dimensional Fund Advisors LP | 1,661,281 | 1.62% | $61.9 million | 0.01% | +327,803 | 13F |
| AllianceBernstein L.P. | 1,627,521 | 1.59% | $54.2 million | 0.02% | +1,526,735 | 13F |
| Fiera Capital Corp | 1,445,885 | 1.41% | $53.9 million | 0.20% | -1,081,191 | 13F |
| Federated Hermes, Inc. | 1,431,630 | 1.40% | $53.4 million | 0.08% | -1,555,477 | 13F |
| GSK plc | 1,333,333 | 1.30% | $49.7 million | 8.25% | no change | 13F |
| BNP Paribas Asset Management Holding S.A. | 1,269,889 | 1.24% | $47.3 million | 0.05% | +168,744 | 13F |
| Goldman Sachs Group Inc. | 1,231,614 | 1.20% | $45.9 million | 0.01% | -424,003 | 13F |
| Candriam S.C.A. | 1,092,301 | 1.07% | $40.7 million | 0.18% | -15,407 | 13F |
| Bank of America Corp. | 1,026,143 | 1.00% | $38.2 million | 0.00% | +84,052 | 13F |
| Sofinnova Investments, Inc. | 925,119 | 0.90% | $34.5 million | 1.84% | -206,667 | 13F |
| Arrowstreet Capital, Limited Partnership | 891,608 | 0.87% | $33.2 million | 0.01% | new | 13F |
| Fisher Asset Management, LLC | 851,306 | 0.83% | $31.7 million | 0.01% | -31,393 | 13F |
| Vanguard Portfolio Management LLC | 821,612 | 0.80% | $30.6 million | 0.00% | +76,019 | 13F |
| Northern Trust Corp. | 804,118 | 0.79% | $30.0 million | 0.00% | +69,997 | 13F |
| Charles Schwab Investment Management Inc. | 754,888 | 0.74% | $28.1 million | 0.00% | +39,361 | 13F |
| Pictet Asset Management Holding SA | 712,674 | 0.70% | $26.6 million | 0.03% | -3,232 | 13F |
| UBS Group AG | 656,721 | 0.64% | $24.5 million | 0.00% | -105,827 | 13F |
| Nuveen, LLC | 640,257 | 0.63% | $23.9 million | 0.01% | +191,984 | 13F |
| Redmile Group, LLC | 640,202 | 0.63% | $23.9 million | 1.60% | +119,085 | 13F |
| Vanguard Fiduciary Trust Co. | 621,025 | 0.61% | $23.1 million | 0.01% | +59,462 | 13F |
| Qube Research & Technologies Ltd | 592,473 | 0.58% | $22.1 million | 0.03% | +8,440 | 13F |
| Aberdeen Group plc | 560,934 | 0.55% | $20.9 million | 0.03% | +15,303 | 13F |
| New York State Common Retirement Fund | 501,990 | 0.49% | $18.7 million | 0.02% | -13,455 | 13F |
| Dafna Capital Management LLC | 497,240 | 0.49% | $18.5 million | 3.53% | +20,500 | 13F |
| Sio Capital Management, LLC | 480,383 | 0.47% | $17.9 million | 3.07% | new | 13F |
| Tang Capital Management LLC | 450,000 | 0.44% | $16.8 million | 0.77% | no change | 13F |
| Affinity Asset Advisors, LLC | 400,000 | 0.39% | $14.9 million | 0.74% | new | 13F |
| Walleye Capital LLC | 386,183 | 0.38% | $14.4 million | 0.07% | new | 13F |
| RTW Investments, LP | 370,370 | 0.36% | $13.8 million | 0.12% | new | 13F |
| Rhenman & Partners Asset Management AB | 343,800 | 0.34% | $12.8 million | 1.21% | +88,300 | 13F |
| BIT Capital GmbH | 311,333 | 0.30% | $11.6 million | 0.40% | new | 13F |
| General American Investors Co. Inc. | 308,240 | 0.30% | $11.5 million | 0.70% | +27,979 | 13F |
| First Trust Advisors LP | 306,729 | 0.30% | $11.4 million | 0.01% | +260,042 | 13F |
| Citadel Advisors LLC | 300,438 | 0.29% | $11.2 million | 0.01% | -378,962 | 13F |
| Wells Fargo & Company | 297,848 | 0.29% | $11.1 million | 0.00% | +54,520 | 13F |
| Balyasny Asset Management L.P. | 297,565 | 0.29% | $11.1 million | 0.02% | +89,220 | 13F |
| Ensign Peak Advisors, Inc | 267,182 | 0.26% | $10.0 million | 0.02% | -632,322 | 13F |
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on IDYA
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 38,600 | $1.4 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 27,700 | $1.0 million | 30 June 2026 | 13F |
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G | Baker Bros. Advisors LP and 7 others | 5.0 million | 5.2% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 31 July 2026 | 13G | Vanguard Capital Management and 1 other | 4.8 million | 5.1% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Janus Henderson Group PLC and 1 other | 7.3 million | 8.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Point72 Asset Management, L.P. and 5 others | 1.8 million | 2.1% | 31 December 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 12 February 2026 | 13G/A | Capital Research Global Investors and 1 other | 5.3 million | 6.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 8 January 2026 | 13G/A | Federated Hermes, Inc. and 9 others | 3.4 million | 3.9% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Janus Henderson Group PLC and 1 other | 6.4 million | 7.3% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 30 September 2026 | 1,420 | $37.86 | SEC |
| 28 September 2026 | 14,252 | $36.69 | SEC |
| 2 September 2026 | 19 | $39.95 | SEC |
| 28 August 2026 | 1,912 | $41.77 | SEC |
| 26 August 2026 | 7,182 | $42.48 | SEC |