NASDAQ: IDYA
Ideaya Biosciences Inc Stock Ownership - Who owns Ideaya Biosciences?

Insider buying vs selling

Have Ideaya Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jeffrey SteinDirector2026-03-0250,000$32.96
$1.65MBuy
Briseno Andres RuizTitle SVP Head of Finance and Investor Relations2025-11-281,253$16.91
$21.18kBuy
Douglas B. SnyderSVP General Counsel2025-11-281,041$16.91
$17.60kBuy

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Net Insider Buy/Sell (L12M) Ownership

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IDYA Shareholders

What type of owners hold Ideaya Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC14.99%13,172,103$495.93MInstitution
Blackrock Inc9.61%8,442,133$317.85MInstitution
Janus Henderson Group PLC8.27%7,265,253$273.54MInstitution
Capital Research Global Investors5.88%5,163,543$194.41MInstitution
Baker Bros Advisors LP4.49%3,946,515$148.59MInstitution
State Street Corp4.30%3,781,167$142.36MInstitution
Vanguard Capital Management LLC4.25%3,732,422$140.53MInstitution
Logos Global Management LP3.93%3,450,000$129.89MInstitution
Federated Hermes Inc3.40%2,987,107$112.46MInstitution
Adage Capital Partners GP LLC3.21%2,823,500$106.30MInstitution

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IDYA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IDYA92.57%7.43%Net Buying
RARE84.28%15.72%Net SellingNet Selling
ALMS77.17%22.83%Net BuyingNet Buying
ARQT77.57%22.43%Net SellingNet Selling
ADPT63.33%36.67%Net SellingNet Selling

Ideaya Biosciences Stock Ownership FAQ

Who owns Ideaya Biosciences?

Ideaya Biosciences (NASDAQ: IDYA) is owned by 107.77% institutional shareholders, 8.65% Ideaya Biosciences insiders, and 0.00% retail investors. Canaan X LP is the largest individual Ideaya Biosciences shareholder, owning 2.66M shares representing 3.03% of the company. Canaan X LP's Ideaya Biosciences shares are currently valued at $100.18M.

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