IDYA IDEAYA Biosciences, Inc

NASDAQ
$38.41

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 compared
314
filed both this quarter and last
Managers holding
280
+29 on the quarter
Buyers
154
63 opened new
Sellers
122
34 sold out entirely
Buyer share
55.8%
of managers who traded it
Breadth
+11.6
net buyers, as a share of those trading

Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Ownership map

Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.

Cut Unchanged Added Color saturates at ±50%.

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
Nicholas Investment Partners, LP Sold Out 248.2K 0 -248.2K
MILLENNIUM MANAGEMENT LLC Reduced 229.0K 10.5K -218.5K
Sofinnova Investments, Inc. Reduced 1.1M 925.1K -206.7K
Burkehill Global Management, LP New 0 200.0K +200.0K
SPHERA FUNDS MANAGEMENT LTD. New 0 196.4K +196.4K
Alyeska Investment Group, L.P. Sold Out 192.3K 0 -192.3K
Nuveen, LLC Increased 448.3K 640.3K +192.0K
Verition Fund Management LLC New 0 184.1K +184.1K
Capital Research Global Investors Increased 5.2M 5.3M +181.2K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. Increased 1.1M 1.3M +168.7K
Rheos Capital Works Inc. New 0 150.0K +150.0K
SCHRODER INVESTMENT MANAGEMENT GROUP Increased 65.9K 187.0K +121.1K
NEUBERGER BERMAN GROUP LLC Sold Out 120.6K 0 -120.6K
Redmile Group, LLC Increased 521.1K 640.2K +119.1K
CONGRESS ASSET MANAGEMENT CO New 0 117.7K +117.7K
VOYA INVESTMENT MANAGEMENT LLC Increased 14.3K 124.1K +109.8K
ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced 2.8M 2.7M -108.1K
UBS Group AG Reduced 762.5K 656.7K -105.8K
Universal- Beteiligungs- und Servicegesellschaft mbH Increased 12.7K 112.8K +100.1K
Integral Health Asset Management, LLC New 0 100.0K +100.0K
Balyasny Asset Management L.P. Increased 208.3K 297.6K +89.2K
Rhenman & Partners Asset Management AB Increased 255.5K 343.8K +88.3K
JANE STREET GROUP, LLC Sold Out 88.1K 0 -88.1K
Odyssean, LLC Increased 15.3K 102.6K +87.3K
Connor, Clark & Lunn Investment Management Ltd. Reduced 177.3K 90.1K -87.1K
BANK OF AMERICA CORP /DE/ Increased 942.1K 1.0M +84.1K
Russell Investments Group, Ltd. Reduced 134.9K 51.3K -83.7K
TWO SIGMA INVESTMENTS, LP Reduced 119.1K 41.2K -77.9K
VANGUARD PORTFOLIO MANAGEMENT LLC Increased 745.6K 821.6K +76.0K
GEODE CAPITAL MANAGEMENT, LLC Reduced 2.5M 2.4M -75.1K
TD Asset Management Inc Increased 43.7K 118.7K +75.0K
Squarepoint Ops LLC Reduced 99.3K 25.2K -74.1K
Man Group plc Increased 171.8K 245.5K +73.6K
MORGAN STANLEY Increased 1.9M 1.9M +71.0K
NORTHERN TRUST CORP Increased 734.1K 804.1K +70.0K

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.