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JANE STREET GROUP, LLC

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1595888 NEW YORK, NY

Position in RYTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$300,891
+$300,891 QoQ
Shares Held
2,710
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#214
of 299 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Derivatives in RYTM

reported options exposure · as of Jun 30, 2026
CallValue
$3,008,913
CallShares
27,100
PutValue
$2,664,720
PutShares
24,000

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 $1,364,130,252 across 291 Biotechnology names. RYTM ranks #152 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RYTM

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31 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,664,720 24,000
2026-06-30 $3,008,913 27,100
2026-06-30 $300,891 2,710
2026-03-31 $339,183 3,900
2026-03-31 $4,044,105 46,500
2025-12-31 $209,798 1,960
2025-12-31 $14,739,408 137,700
2025-09-30 $7,372,270 73,000
2025-09-30 $299,738 2,968
2025-09-30 $1,484,553 14,700
2025-06-30 $4,398,024 69,600
2025-06-30 $3,330,113 52,700
2025-03-31 $9,010,197 170,100
2025-03-31 $4,826,519 91,118
2024-12-31 $3,270,070 58,415
2024-12-31 $5,486,040 98,000
2024-09-30 $9,760,257 186,300
2024-09-30 $5,720,253 109,186
2024-09-30 $979,693 18,700
2024-06-30 $6,015,289 146,500
2024-03-31 $1,140,357 26,318
2023-12-31 $8,474,982 184,359
2023-09-30 $3,301,245 144,002
2023-06-30 $1,253,635 76,024
2023-03-31 $6,237,558 349,639
2022-12-31 $5,809,526 199,503
2022-03-31 $217,992 18,923
2021-03-31 $250,347 11,770
2020-12-31 $262,753 8,838
2020-06-30 $211,961 9,505
2020-03-31 $182,959 12,021