ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1165408
Boston, MA
Position in RYTM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$63,117,955
-$3,416,503 QoQ
Shares Held
725,744
+16.8% QoQ
Ownership
1.06%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,579,664,431 across 120 Biotechnology names. RYTM ranks #17 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
5,475,611 | $532,503,169 | |
| 2 | RPRX |
Royalty Pharma plc
|
7,480,633 | $358,845,965 | |
| 3 | CNTA |
Centessa Pharmaceuticals plc
|
8,925,010 | $354,501,397 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
12,794,097 | $354,396,486 | |
| 5 | TNGX |
Tango Therapeutics, Inc.
|
12,809,485 | $267,974,426 | |
| 6 | PRAX |
Praxis Precision Medicines, Inc.
|
815,739 | $262,822,948 | |
| 7 | INSM |
INSMED Inc
|
900,000 | $147,168,000 | |
| 8 | AXSM |
Axsome Therapeutics, Inc.
|
737,578 | $124,665,433 |
All Filings in RYTM
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $63,117,955 | 725,744 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $66,534,458 | 621,585 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $54,938,560 | 544,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $21,547,790 | 341,000 | Shares | Sole | 2025-08-14 | |
| 2023-09-30 | $1,004,458 | 43,815 | Shares | Sole | 2023-11-14 | |
| 2020-03-31 | $380,500 | 25,000 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||