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JANE STREET GROUP, LLC

Position in VSTM — Verastem, Inc.

CIK 1595888 NEW YORK, NY

Position in VSTM

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$3,024,274
+$547,652 QoQ
Shares Held
570,618
+77.9% QoQ
Ownership
0.649%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2023
9 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in VSTM Over Time

Shares Held

Position Value (USD)

Derivatives in VSTM

reported options exposure · as of Mar 31, 2026
CallValue
$802,420
CallShares
151,400
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $1,255,284,514 across 317 Biotechnology names. VSTM ranks #63 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in VSTM

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14 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,024,274 570,618
2026-03-31 $802,420 151,400
2025-12-31 $197,632 25,600
2025-12-31 $2,476,622 320,806
2025-12-31 $1,401,952 181,600
2025-09-30 $219,867 24,900
2025-09-30 $965,119 109,300
2025-06-30 $128,650 31,000
2025-06-30 $80,510 19,400
2024-12-31 $103,047 19,932
2024-09-30 $45,424 15,192
2024-06-30 $95,353 31,998
2024-03-31 $133,292 11,296
2023-09-30 $111,347 13,696