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IDYA Insider Trading

Insider Ownership Percentage: 4.70%
Insider Buying (Last 12 Months): $1,648,000.00
Insider Selling (Last 12 Months): $382,095.50

IDEAYA Biosciences Insider Trading History Chart

This chart shows the insider buying and selling history at IDEAYA Biosciences by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

IDEAYA Biosciences Share Price & Price History

Current Price: $40.30
Price Change: ▲ Price Increase of +0.625 (1.58%)
As of 08/24/2026 01:47 PM ET

This chart shows the closing price history over time for IDYA up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

IDEAYA Biosciences Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/7/2026Andres Ruiz BrisenoCAOSell9,550$40.01$382,095.5026,466View SEC Filing Icon  
3/2/2026Jeffrey SteinDirectorBuy50,000$32.96$1,648,000.0054,281View SEC Filing Icon  
5/29/2024Michael Anthony WhiteinsiderSell28,500$36.24$1,032,840.00View SEC Filing Icon  
5/16/2024Yujiro S. HataCEOSell34,433$41.81$1,439,643.73677,887View SEC Filing Icon  
5/14/2024Yujiro S. HataCEOSell56,711$41.61$2,359,744.71677,887View SEC Filing Icon  
2/9/2024Andres Ruiz BrisenoInsiderSell2,000$46.02$92,040.0024,531View SEC Filing Icon  
2/9/2024Yujiro S. HataCEOSell23,557$45.54$1,072,785.78677,887View SEC Filing Icon  
1/22/2024Andres Ruiz BrisenoInsiderSell2,000$42.03$84,060.0026,531View SEC Filing Icon  
1/16/2024Yujiro S. HataCEOSell62,739$40.17$2,520,225.63677,887View SEC Filing Icon  
1/12/2024Andres Ruiz BrisenoInsiderSell2,000$38.01$76,020.0028,531View SEC Filing Icon  
1/12/2024Yujiro S. HataCEOSell12,261$40.04$490,930.44677,887View SEC Filing Icon  
12/15/2023Yujiro S. HataCEOSell75,000$35.03$2,627,250.00677,887View SEC Filing Icon  
12/14/2023Andres Ruiz BrisenoInsiderSell2,000$34.00$68,000.0030,531View SEC Filing Icon  
11/3/2023Jason ThroneinsiderSell5,163$30.09$155,354.67View SEC Filing Icon  
9/12/2023Jason ThroneinsiderSell1,000$30.00$30,000.00View SEC Filing Icon  
9/5/2023Jason ThroneinsiderSell1,737$30.03$52,162.11View SEC Filing Icon  
9/1/2023Jason ThroneinsiderSell2,100$30.03$63,063.0032,531View SEC Filing Icon  
8/29/2023Paul A. StoneCFOSell5,000$28.87$144,350.009,303View SEC Filing Icon  
See Full Table

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

98.29% of IDEAYA Biosciences stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at IDYA by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

IDEAYA Biosciences Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/24/2026California State Teachers Retirement System3,500,995$130.48M0.0%+3,522.2%3.985%Search for SEC Filing on Google Icon
8/21/2026AXQ Capital LP20,207$0.75M0.1%N/A0.023%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S2,045$76K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/20/2026Two Sigma Securities LLC6,627$0.25M0.0%N/A0.008%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC143,285$5.34M0.0%-18.2%0.163%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP31,412$1.17M0.0%-4.4%0.036%Search for SEC Filing on Google Icon
8/17/2026Seven Fleet Capital Management LP37,865$1.41M0.2%-56.1%0.043%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE1,026,143$38.24M0.0%N/A1.168%Search for SEC Filing on Google Icon
8/15/2026Freestone Grove Partners LP3,778$0.14M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/15/2026Odyssean LLC102,582$3.82M0.6%+571.6%0.117%Search for SEC Filing on Google Icon
8/15/2026Man Group plc245,492$9.15M0.0%N/A0.279%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC8,579,881$319.73M0.1%N/A9.765%Search for SEC Filing on Google Icon
8/14/2026ADAR1 Capital Management LLC20,000$0.75M0.0%N/A0.023%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc80,461$3M0.0%N/A0.092%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company 107,585$4.01M0.0%N/A0.122%Search for SEC Filing on Google Icon
8/13/2026OMERS ADMINISTRATION Corp20,500$0.76M0.0%N/A0.023%Search for SEC Filing on Google Icon
8/13/2026Connor Clark & Lunn Investment Management Ltd.90,135$3.36M0.0%N/A0.103%Search for SEC Filing on Google Icon
8/12/2026Quantbot Technologies LP1,145$43K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/11/2026E Fund Management Co. Ltd.9,045$0.34M0.0%N/A0.010%Search for SEC Filing on Google Icon
8/10/2026Great Lakes Advisors LLC87,747$3.27M0.0%N/A0.100%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.8,893,260$331.45M0.0%N/A10.122%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG93,844$3.50M0.0%N/A0.107%Search for SEC Filing on Google Icon
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.59,780$2.23M0.0%N/A0.068%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp265,203$9.88M0.0%N/A0.302%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming3,901$0.15M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/3/2026Oppenheimer Asset Management Inc.14,847$0.55M0.0%N/A0.017%Search for SEC Filing on Google Icon
8/3/2026Walleye Capital LLC386,183$14.39M0.1%N/A0.440%Search for SEC Filing on Google Icon
7/10/2026Tema ETFs LLC135,847$5.06M0.2%+21.0%0.155%Search for SEC Filing on Google Icon
7/10/2026Handelsbanken Fonder AB34,200$1.28M0.0%+10.7%0.039%Search for SEC Filing on Google Icon
7/2/2026Versant Capital Management Inc2,825$0.11M0.0%+26.7%0.003%Search for SEC Filing on Google Icon
6/4/2026Seven Fleet Capital Management LP86,283$2.88M0.9%N/A0.098%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE942,091$31.39M0.0%+4.3%1.072%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC7,265,253$242.02M0.1%+1.1%8.269%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System96,655$3.22M0.0%+27.3%0.110%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada161,837$5.39M0.0%-2.1%0.184%Search for SEC Filing on Google Icon
5/18/2026Redmile Group LLC521,117$17.36M1.1%-29.8%0.593%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company72,906$2.43M0.0%+4.3%0.083%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP23,162$0.77M0.0%+15.7%0.026%Search for SEC Filing on Google Icon
5/16/2026SummitTX Capital L.P.162,733$5.42M0.2%N/A0.185%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.84,760$2.83M0.0%+23.4%0.096%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers18,863$0.63M0.0%-23.4%0.021%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP46,687$1.56M0.0%+5.9%0.053%Search for SEC Filing on Google Icon
5/12/2026Quantedge Capital Pte Ltd23,100$0.77M0.4%-37.1%0.026%Search for SEC Filing on Google Icon
5/7/2026WCM Investment Management LLC181,593$5.71M0.0%-17.2%0.207%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,333,478$44.42M0.0%+42.0%1.518%Search for SEC Filing on Google Icon
5/6/2026Jennison Associates LLC255,764$8.52M0.0%N/A0.291%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.65,632$2.19M0.0%-8.8%0.075%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC6,181$0.20M0.0%N/A0.007%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp250,325$8.34M0.0%+2.6%0.285%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp2,530$84K0.0%N/A0.003%Search for SEC Filing on Google Icon
5/1/2026Candriam S.C.A.1,107,708$36.91M0.2%+7.4%1.261%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC19,258$0.65M0.0%+3.9%0.022%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd54,618$1.82M0.0%-32.6%0.062%Search for SEC Filing on Google Icon
4/27/2026Fideuram Intesa Sanpaolo Private Banking S.P.A.122,064$4.07M0.1%+7.6%0.139%Search for SEC Filing on Google Icon
4/25/2026Strs Ohio29,800$0.99M0.0%+18.7%0.034%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA715,906$23.85M0.0%-2.5%0.815%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC2,821$94K0.0%-39.4%0.003%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC32,964$1.10M0.0%+11.8%0.038%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC18,533$0.64M0.0%-9.2%0.021%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.3,795$0.13M0.0%+1,071.3%0.004%Search for SEC Filing on Google Icon
3/9/2026Flax Pond Capital LLC39,142$1.35M1.0%N/A0.045%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.238,314$8.24M0.0%+91.9%0.272%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd66,175$2.29M0.1%N/A0.075%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC7,819$0.27M0.1%+53.1%0.009%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP34,672$1.20M0.0%-5.7%0.040%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC202,434$7M0.1%+24.0%0.231%Search for SEC Filing on Google Icon
2/18/2026Tang Capital Management LLC450,000$15.56M0.8%+12.5%0.513%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL47,938$1.66M0.0%+27.5%0.055%Search for SEC Filing on Google Icon
2/18/2026Odyssean LLC21,129$0.73M0.5%N/A0.024%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC208,548$7.21M0.0%+51.6%0.238%Search for SEC Filing on Google Icon
2/18/2026Man Group plc23,826$0.82M0.0%+74.7%0.027%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC7,186,456$248.34M0.1%+11.8%8.197%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP29,951$1.04M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/18/2026Cinctive Capital Management LP45,965$1.59M0.1%-8.0%0.052%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.596,483$20.62M0.0%+56.8%0.680%Search for SEC Filing on Google Icon
2/18/2026Baker BROS. Advisors LP3,618,826$125.10M0.7%+10.5%4.128%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC60,258$2.08M0.0%-19.4%0.069%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC6,861$0.24M0.0%-77.7%0.008%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC68,177$2.36M0.0%+206.7%0.078%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers24,623$0.85M0.0%+17.8%0.028%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC21,041$0.73M0.0%+78.9%0.024%Search for SEC Filing on Google Icon
2/17/2026Quantedge Capital Pte Ltd36,700$1.27M0.6%N/A0.042%Search for SEC Filing on Google Icon
2/17/2026Iron Triangle Partners LP467,484$16.16M1.8%+73.1%0.533%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD1,449,145$50.10M0.0%+30.6%1.653%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.5,891$0.20M0.0%-37.9%0.007%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.2,800,000$96.80M0.1%-3.5%3.194%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System75,945$2.63M0.0%+1.8%0.087%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.9,683$0.34M0.0%+5.2%0.011%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board43,096$1.49M0.0%-7.8%0.049%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP22,308$0.77M0.0%-59.7%0.025%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada165,323$5.72M0.0%-59.6%0.189%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.5,841$0.20M0.0%-60.3%0.007%Search for SEC Filing on Google Icon
2/16/2026Sofinnova Investments Inc.885,121$30.60M1.2%-4.1%1.010%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC83,939$2.90M0.0%+3.2%0.096%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC10,772$0.37M0.0%+12.7%0.012%Search for SEC Filing on Google Icon
2/16/2026Nicholas Investment Partners LP192,413$6.65M0.5%N/A0.219%Search for SEC Filing on Google Icon
2/16/2026First Turn Management LLC723,653$25.02M2.9%N/A0.825%Search for SEC Filing on Google Icon
2/16/2026Eventide Asset Management LLC284,069$9.82M0.2%-54.6%0.324%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC235,872$8.15M0.0%-5.8%0.269%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 69,909$2.42M0.0%+5.1%0.080%Search for SEC Filing on Google Icon
Data available starting January 2016

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IDEAYA Biosciences logo
IDEAYA Biosciences, Inc., a synthetic lethality-focused precision medicine oncology company, discovers and develops targeted therapeutics for patient populations selected using molecular diagnostics in the United States. The company's products in development include IDE196, a protein kinase C inhibitor that is in Phase 2/3 clinical trials for genetically defined cancers having GNAQ or GNA11 gene mutations; IDE397, a methionine adenosyltransferase 2a inhibitor that is in Phase 1/2 clinical trials for patients with solid tumors having methylthioadenosine phosphorylase gene deletions, such as non-small cell lung, bladder, gastric, and esophageal cancers; IDE161, a poly ADP-ribose glycohydrolase inhibitor that is in Phase 1 clinical trial to treat tumors with homologous recombination deficiency (HRD), and other genetic or molecular signatures; GSK101, a Pol Theta Helicase inhibitor that is in Phase 1 clinical trial for the treatment of tumors with BRCA or other homologous recombination, and HRD mutations; and Werner Helicase inhibitors for tumors with high microsatellite instability. It offers preclinical research programs focused on pharmacological inhibition; DECIPHER dual CRISPR library for synthetic lethality target and biomarker discovery; and INQUIRE chemical library and HARMONY machine-learning engines to enhance its drug discovery platform. The company has strategic alliances with GlaxoSmithKline, Pfizer Inc., Novartis International Pharmaceuticals Ltd., Amgen Inc., Gilead Sciences, Inc., Cancer Research UK, and the University of Manchester. IDEAYA Biosciences, Inc. was incorporated in 2015 and is headquartered in South San Francisco, California.
Read More on IDEAYA Biosciences

Today's Range

Now: $40.30
Low: $39.12
High: $40.36

50 Day Range

MA: $36.14
Low: $30.23
High: $40.51

52 Week Range

Now: $40.30
Low: $23.23
High: $40.58

Volume

425,988 shs

Average Volume

1,074,779 shs

Market Capitalization

$3.54 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

N/A

Who are the company insiders with the largest holdings of IDEAYA Biosciences?

IDEAYA Biosciences' top insider investors include:
  1. Yujiro S Hata (CEO)
  2. Michael P Dillon (SVP)
  3. Jeffrey Stein (Director)
  4. Jason Throne (Insider)
  5. Briseno Andres Ruiz (Insider)
  6. Briseno Andres Ruiz (CAO)
  7. Paul A Stone (CFO)
  8. Michael P Dillon (SVP)
  9. Mark Lackner (SVP)
  10. Alexandria Venture Investments (Major Shareholder)
Learn More about top insider investors at IDEAYA Biosciences.

Who are the major institutional investors of IDEAYA Biosciences?

IDEAYA Biosciences' top institutional shareholders include:
  1. BlackRock Inc. — 10.12%
  2. Jupiter Topco LLC — 9.77%
  3. Bank of America Corp DE — 1.17%
  4. Walleye Capital LLC — 0.44%
  5. Bank of New York Mellon Corp — 0.30%
  6. Man Group plc — 0.28%
Learn More about top institutional investors of IDEAYA Biosciences stock.

Which institutional investors are selling IDEAYA Biosciences stock?

Within the last quarter, IDYA stock was sold by these institutional investors:
  1. Seven Fleet Capital Management LP
  2. UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
  3. Wellington Management Group LLP

Which institutional investors are buying IDEAYA Biosciences stock?

In the previous quarter, IDYA stock was bought by institutional investors including:
  1. BlackRock Inc.
  2. Jupiter Topco LLC
  3. Bank of America Corp DE
  4. Walleye Capital LLC
  5. Bank of New York Mellon Corp
  6. Man Group plc
  7. The Manufacturers Life Insurance Company
  8. Deutsche Bank AG

IDEAYA Biosciences Active Insiders

Yujiro S Hata
Yujiro S Hata (Age 52)
President, CEO & Director
Briseno Andres Ruiz
Briseno Andres Ruiz (Age 40)
Senior Vice President, Head of Finance and Investor Relations
1 recent trades
Paul A Stone
Paul A Stone (Age 62)
CFO
Jeffrey Stein
Jeffrey Stein
Director
1 recent trades
Michael P Dillon
Michael P Dillon (Age 59)
SVP
Jason Throne
Jason Throne (Age 54)
insider
Michael Anthony White
Michael Anthony White (Age 60)
insider