PFM Health Sciences, LP
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1442756
SAN FRANCISCO, CA
Position in RYTM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,881,928
+$7,577,850 QoQ
Shares Held
136,621
+239.8% QoQ
Ownership
0.199%
of shares outstanding
% of Portfolio
1.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.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, 2026PFM Health Sciences, LP holds $387,176,228 across 38 Biotechnology names. RYTM ranks #10 (3.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AXSM |
Axsome Therapeutics, Inc.
|
264,304 | $44,672,662 | |
| 2 | ASND |
Ascendis Pharma A/S
|
152,034 | $34,774,736 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
178,144 | $33,678,123 | |
| 4 | CNTA |
Centessa Pharmaceuticals plc
|
528,224 | $20,981,057 | |
| 5 | INBX |
Inhibrx Biosciences, Inc.
|
305,431 | $20,534,126 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
257,747 | $19,140,292 | |
| 7 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
34,146 | $17,874,406 | |
| 8 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
172,137 | $14,445,737 |
All Filings in RYTM
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,881,928 | 136,621 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $4,304,078 | 40,210 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $4,863,880 | 48,162 | Shares | Defined | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||