IDYA IDEAYA Biosciences, Inc.: institutional ownership and insider trading
307 funds reported holding $4.28B of IDEAYA Biosciences, Inc. in their latest 13F filings; in Q2 2026 funds net bought $171M, with 63 new positions and 34 funds selling out; over the last 12 months insiders bought $1.65M and sold $1.37M on the open market.
Famous investors holding IDYA
- Ken Griffin (Citadel Advisors): $13.7M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.54M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $774K, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $391K, 0.0% of the portfolio
Largest institutional holders of IDYA
- FMR LLC — $526M
- BlackRock, Inc. (BLK) — $331M
- Jupiter Topco LLC — $320M
- JANUS HENDERSON GROUP PLC (JHG) — $242M
- Capital Research Global Investors — $199M
- BAKER BROS. ADVISORS LP — $187M
- VANGUARD GROUP INC — $174M
- STATE STREET CORP (STT, STT-PG) — $170M
- VANGUARD CAPITAL MANAGEMENT LLC — $154M
- Logos Global Management LP — $112M
Recent IDYA insider trades
- Oct 6, 2026: Hata Yujiro S sold 26,338 shares ($985K)
- Jul 7, 2026: Ruiz Briseno Andres sold 9,550 shares ($382K)
- Mar 2, 2026: Stein Jeffrey bought 50,000 shares ($1.65M)
5%+ owners
- JANUS HENDERSON GROUP PLC: 8.3% (Schedule 13G/A, filed May 15, 2026)
- Baker Bros. Advisors LP: 5.2% (Schedule 13G, filed Aug 14, 2026)
- Vanguard Capital Management: 5.1% (Schedule 13G, filed Jul 31, 2026)