IDEAYA Biosciences (IDYA) Institutional Ownership

$39.86 0.00 (0.00%)

As of 09/4/2026 04:00 PM Eastern

Current Institutional Ownership Percentage: 98.29%
Number of Institutional Buyers (last 12 months): 142
Total Institutional Inflows (last 12 months): $1.35B

Number of Institutional Sellers (last 12 months): 74
Total Institutional Outflows (last 12 months): $239.93M

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IDYA Institutional Buying and Selling by Quarter

IDEAYA Biosciences Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/2/2026	Allianz Asset Management GmbH	20,000	$745K	0.0%	N/A	0.023%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	38,950	$1.45M	0.0%	N/A	0.044%
8/24/2026	California State Teachers Retirement System	3,500,995	$130.48M	0.0%	+3,522.2%	3.985%
8/21/2026	AXQ Capital LP	20,207	$753K	0.1%	N/A	0.023%
8/21/2026	Nykredit A S	2,045	$76K	0.0%	N/A	0.002%
8/20/2026	Two Sigma Securities LLC	6,627	$247K	0.0%	N/A	0.008%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	143,285	$5.34M	0.0%	-18.2%	0.163%
8/19/2026	Wellington Management Group LLP	31,412	$1.17M	0.0%	-4.4%	0.036%
8/17/2026	Seven Fleet Capital Management LP	37,865	$1.41M	0.2%	-56.1%	0.043%
8/17/2026	Bank of America Corp DE	1,026,143	$38.24M	0.0%	N/A	1.168%
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8/15/2026	Freestone Grove Partners LP	3,778	$141K	0.0%	N/A	0.004%
8/15/2026	Odyssean LLC	102,582	$3.82M	0.6%	+571.6%	0.117%
8/15/2026	Man Group plc	245,492	$9.15M	0.0%	N/A	0.279%
8/15/2026	Jupiter Topco LLC	8,579,881	$319.73M	0.1%	N/A	9.765%
8/14/2026	ADAR1 Capital Management LLC	20,000	$745K	0.0%	N/A	0.023%
8/14/2026	Legal & General Group Plc	80,461	$3.00M	0.0%	N/A	0.092%
8/14/2026	The Manufacturers Life Insurance Company	107,585	$4.01M	0.0%	N/A	0.122%
8/13/2026	OMERS ADMINISTRATION Corp	20,500	$764K	0.0%	N/A	0.023%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	90,135	$3.36M	0.0%	N/A	0.103%
8/12/2026	Quantbot Technologies LP	1,145	$43K	0.0%	N/A	0.001%
8/11/2026	E Fund Management Co. Ltd.	9,045	$337K	0.0%	N/A	0.010%
8/10/2026	Great Lakes Advisors LLC	87,747	$3.27M	0.0%	N/A	0.100%
8/7/2026	BlackRock Inc.	8,893,260	$331.45M	0.0%	N/A	10.122%
8/7/2026	Deutsche Bank AG	93,844	$3.50M	0.0%	N/A	0.107%
8/7/2026	Mitsubishi UFJ Asset Management Co. Ltd.	59,780	$2.23M	0.0%	N/A	0.068%
8/6/2026	Bank of New York Mellon Corp	265,203	$9.88M	0.0%	N/A	0.302%
8/6/2026	State of Wyoming	3,901	$145K	0.0%	N/A	0.004%
8/3/2026	Oppenheimer Asset Management Inc.	14,847	$553K	0.0%	N/A	0.017%
8/3/2026	Walleye Capital LLC	386,183	$14.39M	0.1%	N/A	0.440%
7/10/2026	Tema ETFs LLC	135,847	$5.06M	0.2%	+21.0%	0.155%
7/10/2026	Handelsbanken Fonder AB	34,200	$1.28M	0.0%	+10.7%	0.039%
7/2/2026	Versant Capital Management Inc	2,825	$105K	0.0%	+26.7%	0.003%
6/4/2026	Seven Fleet Capital Management LP	86,283	$2.88M	0.9%	N/A	0.098%
5/19/2026	Bank of America Corp DE	942,091	$31.39M	0.0%	+4.3%	1.072%
5/19/2026	Janus Henderson Group PLC	7,265,253	$242.02M	0.1%	+1.1%	8.269%
5/18/2026	California State Teachers Retirement System	96,655	$3.22M	0.0%	+27.3%	0.110%
5/18/2026	Royal Bank of Canada	161,837	$5.39M	0.0%	-2.1%	0.184%
5/18/2026	Redmile Group LLC	521,117	$17.36M	1.1%	-29.8%	0.593%
5/16/2026	The Manufacturers Life Insurance Company	72,906	$2.43M	0.0%	+4.3%	0.083%
5/16/2026	Quantinno Capital Management LP	23,162	$772K	0.0%	+15.7%	0.026%
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5/16/2026	SummitTX Capital L.P.	162,733	$5.42M	0.2%	N/A	0.185%
5/14/2026	Sei Investments Co.	84,760	$2.83M	0.0%	+23.4%	0.096%
5/13/2026	Cetera Investment Advisers	18,863	$629K	0.0%	-23.4%	0.021%
5/13/2026	First Trust Advisors LP	46,687	$1.56M	0.0%	+5.9%	0.053%
5/12/2026	Quantedge Capital Pte Ltd	23,100	$770K	0.4%	-37.1%	0.026%
5/7/2026	WCM Investment Management LLC	181,593	$5.71M	0.0%	-17.2%	0.207%
5/7/2026	Dimensional Fund Advisors LP	1,333,478	$44.42M	0.0%	+42.0%	1.518%
5/6/2026	Jennison Associates LLC	255,764	$8.52M	0.0%	N/A	0.291%
5/6/2026	Assetmark Inc.	65,632	$2.19M	0.0%	-8.8%	0.075%
5/6/2026	Allspring Global Investments Holdings LLC	6,181	$201K	0.0%	N/A	0.007%
5/5/2026	Bank of New York Mellon Corp	250,325	$8.34M	0.0%	+2.6%	0.285%
5/1/2026	Fifth Third Bancorp	2,530	$84K	0.0%	N/A	0.003%
5/1/2026	Candriam S.C.A.	1,107,708	$36.91M	0.2%	+7.4%	1.261%
4/30/2026	Hsbc Holdings PLC	19,258	$645K	0.0%	+3.9%	0.022%
4/27/2026	Y Intercept Hong Kong Ltd	54,618	$1.82M	0.0%	-32.6%	0.062%
4/27/2026	Fideuram Intesa Sanpaolo Private Banking S.P.A.	122,064	$4.07M	0.1%	+7.6%	0.139%
4/25/2026	Strs Ohio	29,800	$993K	0.0%	+18.7%	0.034%
4/22/2026	Pictet Asset Management Holding SA	715,906	$23.85M	0.0%	-2.5%	0.815%
4/22/2026	Sterling Capital Management LLC	2,821	$94K	0.0%	-39.4%	0.003%
4/16/2026	SG Americas Securities LLC	32,964	$1.10M	0.0%	+11.8%	0.038%
3/20/2026	Hsbc Holdings PLC	18,533	$644K	0.0%	-9.2%	0.021%
3/17/2026	Rockefeller Capital Management L.P.	3,795	$131K	0.0%	+1,071.3%	0.004%
3/9/2026	Flax Pond Capital LLC	39,142	$1.35M	1.0%	N/A	0.045%
2/19/2026	Invesco Ltd.	238,314	$8.24M	0.0%	+91.9%	0.272%
2/18/2026	XTX Topco Ltd	66,175	$2.29M	0.1%	N/A	0.075%
2/18/2026	Virtus Investment Advisers LLC	7,819	$270K	0.1%	+53.1%	0.009%
2/18/2026	Wellington Management Group LLP	34,672	$1.20M	0.0%	-5.7%	0.040%
2/18/2026	Susquehanna Portfolio Strategies LLC	202,434	$7.00M	0.1%	+24.0%	0.231%
2/18/2026	Tang Capital Management LLC	450,000	$15.56M	0.8%	+12.5%	0.513%
2/18/2026	Tudor Investment Corp ET AL	47,938	$1.66M	0.0%	+27.5%	0.055%
2/18/2026	Odyssean LLC	21,129	$730K	0.5%	N/A	0.024%
2/18/2026	Millennium Management LLC	208,548	$7.21M	0.0%	+51.6%	0.238%
2/18/2026	Man Group plc	23,826	$824K	0.0%	+74.7%	0.027%
2/18/2026	Janus Henderson Group PLC	7,186,456	$248.34M	0.1%	+11.8%	8.197%
2/18/2026	Engineers Gate Manager LP	29,951	$1.04M	0.0%	N/A	0.034%
2/18/2026	Cinctive Capital Management LP	45,965	$1.59M	0.1%	-8.0%	0.052%
2/18/2026	Balyasny Asset Management L.P.	596,483	$20.62M	0.0%	+56.8%	0.680%
2/18/2026	Baker BROS. Advisors LP	3,618,826	$125.10M	0.7%	+10.5%	4.128%
2/18/2026	Boothbay Fund Management LLC	60,258	$2.08M	0.0%	-19.4%	0.069%
2/17/2026	Guggenheim Capital LLC	6,861	$237K	0.0%	-77.7%	0.008%
2/17/2026	AQR Capital Management LLC	68,177	$2.36M	0.0%	+206.7%	0.078%
2/17/2026	Cetera Investment Advisers	24,623	$851K	0.0%	+17.8%	0.028%
2/17/2026	Jain Global LLC	21,041	$727K	0.0%	+78.9%	0.024%
2/17/2026	Quantedge Capital Pte Ltd	36,700	$1.27M	0.6%	N/A	0.042%
2/17/2026	Iron Triangle Partners LP	467,484	$16.16M	1.8%	+73.1%	0.533%
2/17/2026	Price T Rowe Associates Inc. MD	1,449,145	$50.10M	0.0%	+30.6%	1.653%
2/17/2026	Osaic Holdings Inc.	5,891	$204K	0.0%	-37.9%	0.007%
2/17/2026	Adage Capital Partners GP L.L.C.	2,800,000	$96.80M	0.1%	-3.5%	3.194%
2/17/2026	California State Teachers Retirement System	75,945	$2.63M	0.0%	+1.8%	0.087%
2/17/2026	Russell Investments Group Ltd.	9,683	$335K	0.0%	+5.2%	0.011%
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2/17/2026	State of Wisconsin Investment Board	43,096	$1.49M	0.0%	-7.8%	0.049%
2/17/2026	ExodusPoint Capital Management LP	22,308	$771K	0.0%	-59.7%	0.025%
2/17/2026	Royal Bank of Canada	165,323	$5.72M	0.0%	-59.6%	0.189%
2/17/2026	Graham Capital Management L.P.	5,841	$202K	0.0%	-60.3%	0.007%
2/16/2026	Sofinnova Investments Inc.	885,121	$30.60M	1.2%	-4.1%	1.010%
2/16/2026	MML Investors Services LLC	83,939	$2.90M	0.0%	+3.2%	0.096%
2/16/2026	Mariner LLC	10,772	$372K	0.0%	+12.7%	0.012%
2/16/2026	Nicholas Investment Partners LP	192,413	$6.65M	0.5%	N/A	0.219%
2/16/2026	First Turn Management LLC	723,653	$25.02M	2.9%	N/A	0.825%
2/16/2026	Eventide Asset Management LLC	284,069	$9.82M	0.2%	-54.6%	0.324%

IDYA Institutional Ownership - Frequently Asked Questions

During the previous two years, 251 institutional investors and hedge funds held shares of IDEAYA Biosciences. The most heavily invested institutionals were FMR LLC ($333.15M), BlackRock Inc. ($331.45M), Jupiter Topco LLC ($319.73M), Janus Henderson Group PLC ($242.02M), Capital Research Global Investors ($182.52M), Vanguard Group Inc. ($173.52M), and State Street Corp ($142.94M).Learn more on IDEAYA Biosciences' institutional investors.

98.29% of IDEAYA Biosciences' stock is owned by institutional investors. Learn more on IDYA's institutional investor holdings.

Of the 221 institutional investors that purchased IDEAYA Biosciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($8.89M), Jupiter Topco LLC ($8.58M), California State Teachers Retirement System ($3.43M), Janus Henderson Group PLC ($2.62M), FMR LLC ($1.69M), Baker BROS. Advisors LP ($1.50M), and RA Capital Management L.P. ($1.35M).

Institutional investors have bought a total of 38,292,783 shares in the last 24 months. This purchase volume represents approximately $1.35B in transactions.

Of the 74 institutional investors that sold IDEAYA Biosciences' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Deerfield Management Company L.P. ($1.76M), Capital Research Global Investors ($1.27M), Federated Hermes Inc. ($1.23M), JPMorgan Chase & Co. ($544.31K), Eventide Asset Management LLC ($341.64K), Pictet Asset Management Holding SA ($317.09K), and Qube Research & Technologies Ltd ($262.19K).

Institutional investors have sold a total of 7,621,615 shares in the last 24 months. This volume of shares sold represents approximately $239.93M in transactions.

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Institutional ownership data for NASDAQ:IDYA is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/2/2026. New 13F filings are added each quarter as they're published.

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IDEAYA Biosciences (IDYA) Institutional Ownership

IDYA Institutional Buying and Selling by Quarter

IDEAYA Biosciences Major Shareholders & Ownership History

IDYA Institutional Ownership - Frequently Asked Questions

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IDEAYA Biosciences (IDYA) Institutional Ownership

Institutional Ownership Changes (13F Filings) for IDEAYA Biosciences (NASDAQ:IDYA)

IDYA Institutional Buying and Selling by Quarter

IDEAYA Biosciences Major Shareholders & Ownership History

IDYA Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IDYA shares?

What percentage of IDEAYA Biosciences' stock is owned by institutional investors?

Which institutional investors have been buying IDEAYA Biosciences' stock?

How much institutional buying is happening at IDEAYA Biosciences?

Which of IDEAYA Biosciences' major shareholders have been selling company stock?

How much institutional selling is happening at IDEAYA Biosciences?

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