IDEAYA Biosciences, Inc. hedge fund holdings
IDYANASDAQ$37.36-0.45 (-1.19%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
IDYA · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+37.4%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 89 | 83 | $313M | $229M | 188 | Aug 14, 2025 |
| Q3 2025 | 96 | 62 | $220M | $321M | 210 | Nov 14, 2025 |
| Q4 2025 | 96 | 76 | $320M | $298M | 233 | Feb 14, 2026 |
| Q1 2026 | 89 | 78 | $189M | $212M | 245 | May 15, 2026 |
| Q2 2026 | 126 | 78 | $463M | $310M | 265 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
265 filersNew position
56$115M+3.1M sh
Increased
70$348M+9.33M sh
Reduced
52-$231M-6.19M sh
Out / sold
26-$79.5M-2.13M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. | Added 77.42% | +$44.1M | $101M | 1.06% | Aug 14, 2026 |
| Fiera Capital Corp | Reduce 42.78% | -$40.3M | $53.9M | 0.20% | Aug 7, 2026 |
| Baker Bros. Advisors LP | Added 26.95% | +$39.6M | $187M | 0.94% | Aug 14, 2026 |
| First Turn Management, LLC | Sell 100% | -$29.1M | $0 | 0.00% | Aug 14, 2026 |
| Ensign Peak Advisors, Inc | Reduce 70.30% | -$23.6M | $9.96M | 0.02% | Aug 14, 2026 |
| Sio Capital Management, LLC | New Buy | +$17.9M | $17.9M | 2.96% | Aug 14, 2026 |
| Logos Global Management LP | Reduce 13.04% | -$16.8M | $112M | 4.81% | Aug 14, 2026 |
| Affinity Asset Advisors, LLC | New Buy | +$14.9M | $14.9M | 0.67% | Aug 13, 2026 |
| RTW Investments, LP | New Buy | +$13.8M | $13.8M | 0.12% | Aug 14, 2026 |
| BIT Capital GmbH | New Buy | +$11.6M | $11.6M | 0.34% | Aug 12, 2026 |
| First Trust Advisors LP | Added 556.99% | +$9.69M | $11.4M | 0.01% | Aug 11, 2026 |
| Nicholas Investment Partners, LP | Sell 100% | -$8.27M | $0 | 0.00% | Aug 14, 2026 |
| Sofinnova Investments, Inc. | Reduce 18.26% | -$7.7M | $34.5M | 1.78% | Aug 14, 2026 |
| Burkehill Global Management, LP | New Buy | +$7.45M | $7.45M | 0.27% | Aug 14, 2026 |
| Sphera Funds Management Ltd. | New Buy | +$7.32M | $7.32M | 0.96% | Aug 14, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 15.32% | +$6.29M | $47.3M | 0.05% | Aug 13, 2026 |
| Rheos Capital Works Inc. | New Buy | +$5.59M | $5.59M | 0.32% | Aug 7, 2026 |
| Schroder Investment Management Group | Added 183.60% | +$4.43M | $6.84M | 0.00% | Aug 13, 2026 |
| Congress Asset Management Co | New Buy | +$4.39M | $4.39M | 0.03% | Jul 7, 2026 |
| Adage Capital Partners GP, L.L.C. | Reduce 3.83% | -$4.03M | $101M | 0.14% | Aug 14, 2026 |
| Integral Health Asset Management, LLC | New Buy | +$3.73M | $3.73M | 0.15% | Aug 14, 2026 |
| Rhenman & Partners Asset Management AB | Added 34.56% | +$3.29M | $12.8M | 1.21% | Aug 13, 2026 |
| Odyssean, LLC | Added 571.61% | +$3.25M | $3.82M | 0.62% | Aug 14, 2026 |
| Ally Bridge Group (NY) LLC | New Buy | +$2.52M | $2.52M | 2.22% | Aug 14, 2026 |
| Eventide Asset Management, LLC | New Buy | +$2.42M | $2.42M | 0.03% | Aug 14, 2026 |
| Atle Fund Management AB | Added 203.47% | +$2.36M | $3.52M | 0.95% | Jul 24, 2026 |
| Great Lakes Advisors, LLC | Reduce 37.79% | -$1.99M | $3.27M | 0.02% | Aug 10, 2026 |
| Seven Grand Managers, LLC | New Buy | +$1.86M | $1.86M | 0.08% | Aug 14, 2026 |
| Phocas Financial Corp. | New Buy | +$1.82M | $1.82M | 0.25% | Jul 31, 2026 |
| Seven Fleet Capital Management LP | Reduce 56.12% | -$1.8M | $1.41M | 0.23% | Aug 17, 2026 |
| Platinum Investment Management Ltd | Added 51.37% | +$1.75M | $5.17M | 1.27% | Aug 13, 2026 |
| Acuta Capital Partners, LLC | Sell 100% | -$1.61M | $0 | 0.00% | Aug 14, 2026 |
| SummitTX Capital, L.P. | Added 25.89% | +$1.57M | $7.64M | 0.20% | Aug 14, 2026 |
| Flax Pond Capital, LLC | Added 108.31% | +$1.5M | $2.89M | 1.07% | Aug 14, 2026 |
| Fisher Asset Management, LLC | Reduce 3.56% | -$1.17M | $31.7M | 0.01% | Aug 4, 2026 |
| General American Investors Co Inc | Added 9.98% | +$1.04M | $11.5M | 0.68% | Jul 31, 2026 |
| Lighthouse Investment Partners, LLC | New Buy | +$932K | $932K | 0.03% | Aug 14, 2026 |
| Tidal Investments LLC | Added 20.96% | +$877K | $5.06M | 0.01% | Aug 13, 2026 |
| Tema ETFs LLC | Added 20.96% | +$877K | $5.06M | 0.16% | Jul 10, 2026 |
| CenterBook Partners LP | New Buy | +$850K | $850K | 0.04% | Aug 11, 2026 |
| Rafferty Asset Management, LLC | Reduce 26.00% | -$840K | $2.39M | 0.01% | Aug 14, 2026 |
| Ishara Investments LP | Sell 100% | -$820K | $0 | 0.00% | Aug 14, 2026 |
| Quantedge Capital Pte Ltd | Sell 100% | -$770K | $0 | 0.00% | Aug 6, 2026 |
| DAFNA Capital Management LLC | Added 4.30% | +$764K | $18.5M | 3.53% | Aug 14, 2026 |
| OMERS ADMINISTRATION Corp | New Buy | +$764K | $764K | 0.00% | Aug 13, 2026 |
| Axq Capital, LP | New Buy | +$753K | $753K | 0.08% | Aug 6, 2026 |
| Quantinno Capital Management LP | Added 83.30% | +$719K | $1.58M | 0.00% | Aug 13, 2026 |
| Alps Advisors Inc | Added 24.18% | +$644K | $3.31M | 0.02% | Jul 29, 2026 |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | Added 13.33% | +$606K | $5.16M | 0.15% | Jul 23, 2026 |
| Inceptionr LLC | New Buy | +$589K | $589K | 0.14% | Aug 11, 2026 |
| Aberdeen Group plc | Added 2.80% | +$570K | $20.9M | 0.03% | Jul 31, 2026 |
| Birchview Capital, LP | Sell 100% | -$562K | $0 | 0.00% | Aug 14, 2026 |
| Fred Alger Management, LLC | New Buy | +$524K | $524K | 0.00% | Aug 14, 2026 |
| Fox Run Management, L.L.C. | Sell 100% | -$495K | $0 | 0.00% | Aug 4, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 21.50% | +$420K | $2.37M | 0.00% | Aug 13, 2026 |
| Evergreen Capital Management LLC | Sell 100% | -$381K | $0 | 0.00% | Jul 23, 2026 |
| Neo Ivy Capital Management | New Buy | +$380K | $380K | 0.09% | Aug 14, 2026 |
| Cinctive Capital Management LP | Sell 100% | -$362K | $0 | 0.00% | Aug 14, 2026 |
| Fieldview Capital Management, LLC | Sell 100% | -$335K | $0 | 0.00% | Aug 14, 2026 |
| Graham Capital Management, L.P. | Sell 100% | -$292K | $0 | 0.00% | Aug 14, 2026 |
| Knights of Columbus Asset Advisors LLC | Added 19.73% | +$291K | $1.76M | 0.09% | Jul 31, 2026 |
| WCM Investment Management, LLC | Reduce 4.30% | -$285K | $6.35M | 0.01% | Aug 13, 2026 |
| Contravisory Investment Management, Inc. | Sell 100% | -$273K | $0 | 0.00% | Jul 9, 2026 |
| Jennison Associates LLC | Reduce 2.82% | -$269K | $9.26M | 0.01% | Aug 3, 2026 |
| Profund Advisors LLC | Reduce 16.19% | -$237K | $1.23M | 0.03% | Aug 11, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | Reduce 9.51% | -$234K | $2.23M | 0.00% | Aug 7, 2026 |
| Bridgefront Capital, LLC | Sell 100% | -$212K | $0 | 0.00% | Aug 14, 2026 |
| Lido Advisors, LLC | Reduce 7.66% | -$158K | $1.91M | 0.01% | Aug 7, 2026 |
| Freestone Grove Partners LP | New Buy | +$141K | $141K | 0.00% | Aug 14, 2026 |
| Xponance LLC | Added 45.37% | +$133K | $426K | 0.00% | Aug 10, 2026 |
| Aster Capital Management (DIFC) Ltd | New Buy | +$127K | $127K | 0.03% | Aug 14, 2026 |
| Guggenheim Capital LLC | Added 19.66% | +$125K | $762K | 0.00% | Aug 12, 2026 |
| Handelsbanken Fonder AB | Added 10.68% | +$123K | $1.28M | 0.00% | Jul 10, 2026 |
| Virtus Investment Advisers, LLC | Added 40.88% | +$122K | $421K | 0.10% | Aug 11, 2026 |
| Pictet Asset Management Holding SA | Reduce 0.45% | -$120K | $26.6M | 0.03% | Jul 30, 2026 |
| Quarry LP | Reduce 94.93% | -$106K | $5.67K | 0.00% | Aug 14, 2026 |
| Susquehanna Portfolio Strategies, LLC | Added 1.10% | +$82.9K | $7.63M | 0.12% | Aug 14, 2026 |
| Snowden Capital Advisors LLC | Reduce 10.14% | -$72.7K | $644K | 0.02% | Aug 13, 2026 |
| E Fund Management Co., Ltd. | Reduce 17.00% | -$69K | $337K | 0.01% | Aug 11, 2026 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | New Buy | +$59.6K | $59.6K | 0.00% | Aug 14, 2026 |
| Caldwell Sutter Capital, Inc. | New Buy | +$57.9K | $57.9K | 0.02% | Aug 5, 2026 |
| Wellington Management Group LLP | Reduce 4.38% | -$53.6K | $1.17M | 0.00% | Aug 14, 2026 |
| State of New Jersey Common Pension Fund D | Reduce 5.20% | -$52.3K | $952K | 0.00% | Aug 4, 2026 |
| Atria Investments, Inc | Added 7.91% | +$43.7K | $596K | 0.01% | Jul 28, 2026 |
| Pacer Advisors, Inc. | New Buy | +$40K | $40K | 0.00% | Aug 13, 2026 |
| MML Investors Services, LLC | Reduce 1.53% | -$33.7K | $2.16M | 0.00% | Aug 7, 2026 |
| Assetmark, Inc | Reduce 0.93% | -$22.8K | $2.42M | 0.00% | Jul 30, 2026 |
| Oppenheimer Asset Management Inc. | Reduce 3.87% | -$22.3K | $553K | 0.01% | Aug 3, 2026 |
| Versant Capital Management, Inc | Added 26.74% | +$22.2K | $105K | 0.01% | Jul 2, 2026 |
| CANADA LIFE ASSURANCE Co | Added 7.81% | +$22.2K | $306K | 0.00% | Aug 13, 2026 |
| Nano Cap New Millennium Growth Fund L P | Reduce 2.50% | -$18.6K | $727K | 0.56% | Aug 14, 2026 |
| China Universal Asset Management Co., Ltd. | Reduce 2.18% | -$12.7K | $568K | 0.03% | Jul 24, 2026 |
| AlphaCore Capital LLC | Reduce 0.57% | -$12.3K | $2.13M | 0.04% | Aug 6, 2026 |
| Palumbo Wealth Management LLC | Added 1.35% | +$11.6K | $865K | 0.18% | Aug 12, 2026 |
| Silver Grove Financial Group, Inc. | New Buy | +$10.3K | $10.3K | 0.01% | Aug 13, 2026 |
| Park Avenue Securities LLC | Reduce 3.59% | -$9K | $242K | 0.00% | Jul 20, 2026 |
| Cassaday & Co Wealth Management LLC | Reduce 47.37% | -$6.71K | $7.45K | 0.00% | Aug 10, 2026 |
| Continuum Advisory, LLC | New Buy | +$6.04K | $6.04K | 0.00% | Aug 6, 2026 |
| Huntington National Bank | Added 48.79% | +$6K | $18.3K | 0.00% | Aug 13, 2026 |
| Zions Bancorporation, National Association | Reduce 98.10% | -$5.79K | $112 | 0.00% | Jul 31, 2026 |