13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
VSTM

VERASTEM INC

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

CUSIP 92337C203·159 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 6.0%
vs prior quarter
13F value held
$333M
53.0% inst. owned
of float
Holders
159
+15 QoQ
filers reporting
Activity
+8 / −60
+890 added · −884 reduced
this quarter
Concentration
10.46%
RTW INVESTMENTS, LP #1
top holder share
AI Holders Summary · Q1 2026

159 institutions reported VSTM in Q1 2026. RTW INVESTMENTS, LP leads at 10.5% of the visible book. +15 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
RTW INVESTMENTS, LP
CIK 0001493215
$35M6.6M0.35%Q1 202602
BlackRock, Inc.
CIK 0002012383
$33M6.2M0.00%Q1 202603
Deep Track Capital, LP
CIK 0001856083
$30M5.7M0.50%Q1 202604
ARMISTICE CAPITAL, LLC
CIK 0001601086
$24M4.6M0.43%Q1 202605
Foresite Capital Management VI LLC
CIK 0002013341
$24M3.1M7.32%Q4 202506
Nantahala Capital Management, LLC
CIK 0001472322
$19M3.6M0.70%Q1 202607
CITADEL ADVISORS LLC
CIK 0001423053
$19M2.4M0.00%Q4 202508
STATE STREET CORP
CIK 0000093751
$19M3.5M0.00%Q1 202609
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$18M3.3M0.00%Q1 202610
Stonepine Capital Management, LLC
CIK 0001440771
$18M3.3M7.01%Q1 202611
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$13M2.4M0.01%Q1 202612
MORGAN STANLEY
CIK 0000895421
$12M2.2M0.00%Q1 202613
Rosalind Advisors, Inc.
CIK 0001622627
$11M2.1M4.55%Q1 202614
AIGH Capital Management LLC
CIK 0001835943
$11M2.0M1.45%Q1 202615
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M1.7M0.00%Q1 202616
J. Goldman & Co LP
CIK 0001412741
$9M1.7M0.26%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$8M1.5M0.00%Q1 202618
Qube Research & Technologies Ltd
CIK 0001729829
$8M1.5M0.01%Q1 202619
ACORN CAPITAL ADVISORS, LLC
CIK 0002054410
$8M1.5M2.21%Q1 202620
NEXTBio Capital Management LP
CIK 0002038158
$7M1.3M3.22%Q1 2026
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