IDYA IDEAYA Biosciences, Inc

NASDAQ
$42.48

IDEAYA Biosciences, Inc (IDYA) Institutional Ownership

What the institutions did with IDYA last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting
312
filed a 13F this quarter
Managers holding
279
+29 on the quarter
Buyers
153
62 opened new
Sellers
122
33 sold out entirely
Buyer share
55.6%
of managers who traded it
Breadth
+11.3
net buyers, as a share of those trading

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Largest holders

Manager Shares % of reported
FMR LLC 14.1M 13.8%
BlackRock, Inc. 8.9M 8.7%
Jupiter Topco LLC 8.6M 8.4%
Capital Research Global Investors 5.3M 5.2%
BAKER BROS. ADVISORS LP 5.0M 4.9%
STATE STREET CORP 4.5M 4.4%
VANGUARD CAPITAL MANAGEMENT LLC 4.1M 4.0%
Logos Global Management LP 3.0M 2.9%
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.7M 2.7%
DEERFIELD MANAGEMENT COMPANY, L.P. 2.7M 2.7%
GEODE CAPITAL MANAGEMENT, LLC 2.4M 2.4%
PRICE T ROWE ASSOCIATES INC /MD/ 2.2M 2.2%
MORGAN STANLEY 1.9M 1.9%
DIMENSIONAL FUND ADVISORS LP 1.7M 1.6%
ALLIANCEBERNSTEIN L.P. 1.6M 1.6%
Fiera Capital Corp 1.4M 1.4%
FEDERATED HERMES, INC. 1.4M 1.4%
GSK plc 1.3M 1.3%
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.3M 1.2%
GOLDMAN SACHS GROUP INC 1.2M 1.2%
Candriam S.C.A. 1.1M 1.1%
BANK OF AMERICA CORP /DE/ 1.0M 1.0%
Sofinnova Investments, Inc. 925.1K 0.9%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 891.6K 0.9%
Fisher Asset Management, LLC 851.3K 0.8%

Largest changes

Manager Action Previous Current Change
FEDERATED HERMES, INC. Reduced 3.0M 1.4M -1.6M
ALLIANCEBERNSTEIN L.P. Increased 100.8K 1.6M +1.5M
DEERFIELD MANAGEMENT COMPANY, L.P. Increased 1.5M 2.7M +1.2M
Fiera Capital Corp Reduced 2.5M 1.4M -1.1M
BAKER BROS. ADVISORS LP Increased 3.9M 5.0M +1.1M
FMR LLC Increased 13.2M 14.1M +937.3K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP New 0 891.6K +891.6K
PRICE T ROWE ASSOCIATES INC /MD/ Increased 1.3M 2.2M +891.6K
First Turn Management, LLC Sold Out 873.8K 0 -873.8K
STATE STREET CORP Increased 3.8M 4.5M +767.7K
Ensign Peak Advisors, Inc Reduced 899.5K 267.2K -632.3K
Sio Capital Management, LLC New 0 480.4K +480.4K
BlackRock, Inc. Increased 8.4M 8.9M +451.1K
Logos Global Management LP Reduced 3.5M 3.0M -450.0K
GOLDMAN SACHS GROUP INC Reduced 1.7M 1.2M -424.0K
VANGUARD CAPITAL MANAGEMENT LLC Increased 3.7M 4.1M +400.2K
Affinity Asset Advisors, LLC New 0 400.0K +400.0K
Walleye Capital LLC New 0 386.2K +386.2K
CITADEL ADVISORS LLC Reduced 679.4K 300.4K -379.0K
RTW INVESTMENTS, LP New 0 370.4K +370.4K
Point72 Asset Management, L.P. Sold Out 327.9K 0 -327.9K
DIMENSIONAL FUND ADVISORS LP Increased 1.3M 1.7M +327.8K
BIT Capital GmbH New 0 311.3K +311.3K
DEUTSCHE BANK AG\ Reduced 378.4K 93.8K -284.6K
FIRST TRUST ADVISORS LP Increased 46.7K 306.7K +260.0K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.