13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
ALMS

ALUMIS INC

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

CUSIP 022307102·201 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 1.8%
vs prior quarter
13F value held
$1.5B
74.0% inst. owned
of float
Holders
201
-119 QoQ
filers reporting
Activity
+38 / −44
+924 added · −714 reduced
this quarter
Concentration
10.62%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

201 institutions reported ALMS in Q1 2026. BlackRock, Inc. leads at 10.6% of the visible book. -119 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
$158M7.2M0.00%Q1 202602
Deep Track Capital, LP
CIK 0001856083
$149M6.8M2.44%Q1 202603
AyurMaya Capital Management Company, LP
CIK 0001975990
$148M15.1M100.00%Q4 202504
Samsara BioCapital, LLC
CIK 0001744967
$140M6.3M13.58%Q1 202605
venBio Partners LLC
CIK 0001776382
$100M4.5M35.56%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$89M4.0M0.00%Q1 202607
Cormorant Asset Management, LP
CIK 0001583977
$87M3.9M4.37%Q1 202608
Saturn V Capital Management LP
CIK 0001964437
$71M3.2M12.77%Q1 202609
UBS Group AG
CIK 0001610520
$67M3.1M0.01%Q1 202610
Octagon Capital Advisors LP
CIK 0001839435
$62M2.8M6.90%Q1 202611
Foresite Capital Management V, LLC
CIK 0001792206
$56M5.8M34.31%Q4 202512
MPM BioImpact LLC
CIK 0001687078
$53M2.4M4.06%Q1 202613
JANUS HENDERSON GROUP PLC
CIK 0001274173
$47M2.1M0.02%Q1 202614
SR ONE CAPITAL MANAGEMENT, LP
CIK 0001910264
$43M2.0M4.72%Q1 202615
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$42M1.9M0.00%Q1 202616
Foresite Capital Management VI LLC
CIK 0002013341
$41M4.2M12.53%Q4 202517
STATE STREET CORP
CIK 0000093751
$40M1.8M0.00%Q1 202618
Invesco Ltd.
CIK 0000914208
$33M1.5M0.01%Q1 202619
Ikarian Capital, LLC
CIK 0001778253
$33M1.5M2.64%Q1 202620
Nextech Invest, Ltd.
CIK 0001595430
$28M2.9M2.75%Q4 2025
Page 1 of 11
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