13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Laboratory Analytical InstrumentsMega-capCrowded
ILMN

ILLUMINA INC

882 institutions still hold ILLUMINA INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 452327109·Laboratory Analytical Instruments·882 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 7.5%
vs prior quarter
13F value held
$11.6B
71.0% inst. owned
of float
Holders
882
-122 QoQ
filers reporting
Activity
+46 / −85
+881 added · −756 reduced
this quarter
Concentration
20.17%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

882 institutions reported ILMN in Q1 2026. BlackRock, Inc. leads at 20.2% of the visible book. -122 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.3B19.0M0.04%Q1 202602
Capital World Investors
CIK 0001422849
$1.9B15.5M0.26%Q1 202603
Vanguard Portfolio Management
CIK 0002100121
$841M6.8M0.04%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$813M6.6M0.02%Q1 202605
STATE STREET CORP
CIK 0000093751
$792M6.4M0.03%Q1 202606
WCM INVESTMENT MANAGEMENT, LLC
CIK 0001061186
$716M5.9M1.63%Q1 202607
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$491M4.0M0.22%Q1 202608
Corvex Management LP
CIK 0001535472
$472M3.8M18.77%Q1 202609
Sessa Capital IM, L.P.
CIK 0001595849
$404M3.3M7.33%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$375M3.1M0.02%Q1 202611
LOOMIS SAYLES & CO L P
CIK 0000312348
$363M2.9M0.49%Q1 202612
Invesco Ltd.
CIK 0000914208
$328M2.7M0.05%Q1 202613
JANUS HENDERSON GROUP PLC
CIK 0001274173
$259M2.1M0.12%Q1 202614
Southpoint Capital Advisors LP
CIK 0001319998
$259M2.1M5.33%Q1 202615
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
$255M2.1M0.20%Q1 202616
MORGAN STANLEY
CIK 0000895421
$227M1.8M0.01%Q1 202617
NORTHERN TRUST CORP
CIK 0000073124· Index
$195M1.6M0.03%Q1 202618
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$193M1.6M0.04%Q1 202619
FMR LLC
CIK 0000315066
$191M1.5M0.01%Q1 202620
Senvest Management, LLC
CIK 0001328785
$190M1.5M6.32%Q1 2026
Page 1 of 45
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