DOSSIER · 13F Holders · Q2 2026Healthcare · Pharmaceutical Preparations
IDYA

IDEAYA BIOSCIENCES INC

296 institutions still hold IDEAYA BIOSCIENCES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45166A102·Pharmaceutical Preparations·296 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2.9B
visible holders
Holders
296
filers reporting
Concentration
18.31%
FMR LLC #1
top holder share
AI Holders Summary · Q2 2026

296 institutions reported IDYA in Q2 2026. FMR LLC leads at 18.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$526M14.1M0.02%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$331M8.9M0.00%Q2 2026
03
Jupiter Topco LLC
CIK 0002146052
$320M8.6M0.13%Q2 2026
04
JANUS HENDERSON GROUP PLC
CIK 0001274173
$242M7.3M0.12%Q1 2026
05
Capital Research Global Investors
CIK 0001422848
$199M5.3M0.03%Q2 2026
06
STATE STREET CORP
CIK 0000093751
$170M4.5M0.01%Q2 2026
07
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$154M4.1M0.00%Q2 2026
08
BAKER BROS. ADVISORS LP
CIK 0001263508
$125M3.6M0.73%Q4 2025
09
Logos Global Management LP
CIK 0001792126
$112M3.0M4.81%Q2 2026
10
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$101M2.7M0.14%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$90M2.4M0.00%Q2 2026
12
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$74M2.2M0.95%Q4 2025
13
MORGAN STANLEY
CIK 0000895421
$72M1.9M0.00%Q2 2026
14
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$62M1.7M0.01%Q2 2026
15
Fiera Capital Corp
CIK 0001505817
$54M1.4M0.20%Q2 2026
16
FEDERATED HERMES, INC.
CIK 0001056288
$53M1.4M0.08%Q2 2026
17
GSK plc
CIK 0001131399
$50M1.3M8.25%Q2 2026
18
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$47M1.3M0.05%Q2 2026
19
GOLDMAN SACHS GROUP INC
CIK 0000886982
$46M1.2M0.00%Q2 2026
20
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$44M1.3M0.01%Q1 2026
Page 1 of 15
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Insiders at IDEAYA BIOSCIENCES INC
Ruiz Briseno AndresMackey Catherine JMorrison Scott WRosen Terry JStein JeffreyYarno Wendy LSnyder Douglas B.Hata Yujiro S