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JANE STREET GROUP, LLC

Position in LRMR — Larimar Therapeutics, Inc.

CIK 1595888 NEW YORK, NY

Position in LRMR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$224,894
-$2,268,136 QoQ
Shares Held
73,736
-86.7% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#62
of 162 holders
Holding Since
Sep 2021
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in LRMR Over Time

Shares Held

Position Value (USD)

Derivatives in LRMR

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$86,010
PutShares
28,200

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 Jun 30, 2026

JANE STREET GROUP, LLC holds $1,372,940,661 across 293 Biotechnology names. LRMR ranks #166 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in LRMR

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $224,894 73,736
2026-06-30 $86,010 28,200
2026-03-31 $117,000 26,000
2026-03-31 $347,400 77,200
2026-03-31 $2,493,030 554,007
2025-12-31 $2,586,768 678,942
2025-09-30 $1,365,359 422,712
2025-09-30 $63,631 19,700
2025-06-30 $39,304 13,600
2025-06-30 $30,439 10,533
2024-12-31 $130,731 33,781
2024-09-30 $745,277 113,783
2024-06-30 $457,916 63,161
2024-03-31 $294,681 38,825
2023-06-30 $61,238 19,565
2023-03-31 $641,366 141,582
2022-12-31 $115,454 27,955
2021-09-30 $138,371 12,001