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Equibles

ADAR1 Capital Management, LLC

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1940272 AUSTIN, TX
Back to RYTM Full portfolio

Position in RYTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,117,622
-$3,272,184 QoQ
Shares Held
136,158
-35.6% QoQ
Ownership
0.198%
of shares outstanding
% of Portfolio
0.72%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 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 Dec 31, 2023
CallValue
$45,970
CallShares
1,000
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 Jun 30, 2026

ADAR1 Capital Management, LLC holds $1,759,515,625 across 192 Biotechnology names. RYTM ranks #26 (0.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ABVX
Abivax S.A.
 1,804,703 $240,494,721
2 PTGX
Protagonist Therapeutics, Inc
 960,863 $117,782,586
3 ROIV
Roivant Sciences Ltd.
 3,157,008 $111,726,513
4 IMVT
Immunovant, Inc.
 2,330,716 $89,802,487
5 ZLAB
Zai Lab Ltd
 3,369,034 $64,011,646
6 AGIO
Agios Pharmaceuticals, Inc.
 1,288,053 $47,799,646
7
1,222,080 $45,730,233
8 CYTK
Cytokinetics Inc
 457,907 $39,009,097

All Filings in RYTM

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,117,622 136,158
2026-03-31 $18,389,806 211,450
2025-12-31 $5,496,396 51,349
2025-09-30 $5,006,175 49,571
2025-06-30 $2,868,194 45,390
2025-03-31 $1,954,063 36,890
2024-12-31 $1,732,077 30,941
2024-06-30 $533,780 13,000
2024-03-31 $537,292 12,400
2023-12-31 $45,970 1,000