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IDEAYA Biosciences, Inc. (IDYA) Institutional Ownership & Insider Trading

284 institutions reported holding IDEAYA Biosciences, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 4 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

IDYAIDEAYA Biosciences, Inc.Follow IDYA — free
Biotechnology · Healthcare
—
Price chart with a free account
Market cap
3.3B
P/E TTM
—
Dividend yield
—
52-week
—
Next earnings
2 Nov, in 9 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

284 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +7.1%.

Increased+87New+55Decreased-81Closed-27

Largest moves, shares (millions)

Alliancebernstein+1.5MDeerfield Management Company+1.2MBaker Bros. Advisors+1.1MFederated Hermes-1.6MFiera Capital-1.1MFirst Turn Management-0.9M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+6.1Sep 24+1.5Dec 24+2.4Mar 25+3.0Jun 25-2.9Sep 25+0.4Dec 25-0.2Mar 26+6.2Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 26284102+7.1%87558127
Mar 2625295-0.2%79336728
Dec 2524196+0.4%78437022
Sep 2521994-3.0%72346018
Jun 2520297+3.2%73277325
Mar 2520394+2.6%93214623
Dec 2420392+1.8%88215130
Sep 2420592+7.8%101294221

IDEAYA Biosciences, Inc. — questions

Who owns IDEAYA Biosciences, Inc. stock?
284 institutions reported IDEAYA Biosciences, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: FMR LLC (14.6%), BlackRock, Inc. (9.2%), Jupiter Topco LLC (8.9%).
Are IDEAYA Biosciences, Inc. insiders buying or selling?
4 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from IDEAYA Biosciences, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.