13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield
IDYA

Ideaya Biosciences Inc

267 institutions still hold Ideaya Biosciences Inc as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45166a102·267 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 2.9%
vs prior quarter
13F value held
$2.4B
71.0% inst. owned
of float
Holders
267
+72 QoQ
filers reporting
Activity
+86 / −6
+945 added · −748 reduced
this quarter
Concentration
18.39%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

267 institutions reported IDYA in Q1 2026. FMR LLC leads at 18.4% of the visible book. +72 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$439M13.2M0.02%Q1 202602
BlackRock, Inc.
CIK 0002012383
$281M8.4M0.00%Q1 202603
JANUS HENDERSON GROUP PLC
CIK 0001274173
$242M7.3M0.12%Q1 202604
Capital Research Global Investors
CIK 0001422848
$172M5.2M0.03%Q1 202605
STATE STREET CORP
CIK 0000093751
$126M3.8M0.00%Q1 202606
BAKER BROS. ADVISORS LP
CIK 0001263508
$125M3.6M0.73%Q4 202507
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$124M3.7M0.00%Q1 202608
Logos Global Management LP
CIK 0001792126
$115M3.5M5.74%Q1 202609
FEDERATED HERMES, INC.
CIK 0001056288
$100M3.0M0.16%Q1 202610
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$94M2.8M0.15%Q1 202611
Fiera Capital Corp
CIK 0001505817
$84M2.5M0.29%Q1 202612
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$83M2.5M0.01%Q1 202613
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$74M2.2M0.95%Q4 202514
GOLDMAN SACHS GROUP INC
CIK 0000886982
$64M1.9M0.01%Q1 202615
MORGAN STANLEY
CIK 0000895421
$62M1.9M0.00%Q1 202616
GSK plc
CIK 0001131399
$44M1.3M7.41%Q1 202617
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$44M1.3M0.01%Q1 202618
Sofinnova Investments, Inc.
CIK 0001631134
$38M1.1M1.43%Q1 202619
Candriam S.C.A.
CIK 0001537014
$37M1.1M0.19%Q1 202620
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$37M1.1M0.04%Q1 2026
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