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
Douglas B. SnyderSVP General Counsel2025-05-301,039$16.91
$17.57kBuy

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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 LLC14.97%13,149,960$413.57MInstitution
Blackrock Inc9.35%8,209,392$258.19MInstitution
Janus Henderson Group PLC8.18%7,186,456$226.01MInstitution
Capital Research Global Investors6.01%5,279,675$166.05MInstitution
Vanguard Group Inc5.72%5,019,324$157.86MInstitution
State Street Corp4.71%4,134,641$130.03MInstitution
Baker Bros Advisors LP4.12%3,618,826$113.81MInstitution
Federated Hermes Inc3.87%3,395,771$106.80MInstitution
Logos Global Management LP3.56%3,125,000$98.28MInstitution
Adage Capital Partners GP LLC3.19%2,800,000$88.06MInstitution

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IDYA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IDYA92.66%7.34%Net BuyingNet Buying
ARQT77.20%22.80%Net SellingNet Selling
VERA69.56%30.44%Net BuyingNet Selling
TNGX67.46%32.54%Net SellingNet Selling
TARS72.94%27.06%Net SellingNet Selling

Ideaya Biosciences Stock Ownership FAQ

Who owns Ideaya Biosciences?

Ideaya Biosciences (NASDAQ: IDYA) is owned by 109.23% institutional shareholders, 8.66% Ideaya Biosciences insiders, and 0.00% retail investors. Timothy M. 1. Shannon is the largest individual Ideaya Biosciences shareholder, owning 2.66M shares representing 3.03% of the company. Timothy M. 1. Shannon's Ideaya Biosciences shares are currently valued at $88.65M.

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