Checkpoint Capital L.P.
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1977548
SAN FRANCISCO, CA
Position in RYTM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$131,681,580
+$24,951,996 QoQ
Shares Held
1,186,000
-3.4% QoQ
Ownership
1.72%
of shares outstanding
% of Portfolio
33.79%
of 13F equity value
Holder Rank
#18
of 299 holders
Holding Since
Dec 2023
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Checkpoint Capital L.P. holds $389,759,659 across 6 Biotechnology names. RYTM ranks #1 (33.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RYTM |
Rhythm Pharmaceuticals, Inc.
This page
|
1,186,000 | $131,681,580 | |
| 2 | ARGX |
Argenx SE
|
131,283 | $121,800,428 | |
| 3 | RVMD |
Revolution Medicines, Inc.
|
410,353 | $76,850,909 | |
| 4 | CYTK |
Cytokinetics Inc
|
475,000 | $40,465,250 | |
| 5 | IRON |
Disc Medicine, Inc.
|
240,125 | $17,562,742 | |
| 6 | TRVI |
Trevi Therapeutics, Inc.
|
75,000 | $1,398,750 |
All Filings in RYTM
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $131,681,580 | 1,186,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $106,729,584 | 1,227,200 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $106,205,088 | 992,200 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $77,126,769 | 763,707 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $66,981,400 | 1,060,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $48,056,502 | 907,240 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $40,752,432 | 727,982 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $34,754,530 | 663,381 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $37,861,426 | 922,100 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $35,768,915 | 825,500 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $33,558,100 | 730,000 | Shares | Sole | 2024-02-14 | |
| No filing history on record for this holder in this stock. | ||||||