IDEAYA Biosciences, Inc. (IDYA) Stock
3 of the hedge funds AlphaScala tracks reported IDYA in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $11.20M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Oct 21, 2026.
Which hedge funds own IDYA?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 300K | $11.20M | -56% |
| D.E. Shaw David Shaw | 21K | $773.8K | NEW |
| Millennium Management Israel Englander | 11K | $391.3K | -95% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are IDEAYA Biosciences, Inc. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Oct 6, 26 | Hata Yujiro S | President and CEO | SELL | 25.5K | $955K |
| Oct 6, 26 | Hata Yujiro S | President and CEO | SELL | 800 | $31K |
SEC Form 4 filings as of Oct 21, 2026
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Powered by TradingViewWhat does IDEAYA Biosciences, Inc. do?
Ideaya Biosciences Inc. is a precision medicine oncology company that discovers and develops targeted therapeutics for patient populations identified through molecular diagnostics. Its pipeline features IDE196, a protein kinase C inhibitor in Phase 2/3 clinical trials for cancers with GNAQ or GNA11 mutations; IDE397, a methionine adenosyltransferase 2a inhibitor in Phase 2 for solid tumors with MTAP deletions like non-small cell lung cancer and urothelial cancer; IDE849, a DLL3 antibody drug conjugate in Phase 1 for small cell lung cancer and neuroendocrine tumors; IDE275, a Werner Helicase inhibitor in Phase 1 for high microsatellite instability tumors; IDE161, a poly ADP-ribose glycohydrolase inhibitor in Phase 1/2 for homologous recombination deficiency tumors; and IDE705, a Poly Theta Helicase inhibitor in Phase 1 for BRCA-mutated tumors. The company also advances preclinical programs such as IDE892, an MTA-cooperative PRMT5 inhibitor; IDE034, a B7H3/PTK7 bispecific antibody drug conjugate; and IDE251, a KAT6/7 inhibitor, alongside research platforms like DECIPHER for synthetic lethality and INQUIRE for drug discovery enhancement. Ideaya Biosciences Inc. maintains strategic alliances with partners including GlaxoSmithKline, Pfizer, Gilead Sciences, Merck, and others. Incorporated in 2015 and headquartered in South San Francisco, California, it plays a key role in advancing precision oncology therapies.