NEXTBio Capital Management LP
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 2038158
AUSTIN, TX
Position in RYTM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$10,965,003
+$3,730,598 QoQ
Shares Held
126,078
+86.5% QoQ
Ownership
0.184%
of shares outstanding
% of Portfolio
5.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 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, 2026NEXTBio Capital Management LP holds $204,191,610 across 23 Biotechnology names. RYTM ranks #5 (5.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TERN |
Terns Pharmaceuticals, Inc.
|
604,534 | $31,871,032 | |
| 2 | PTGX |
Protagonist Therapeutics, Inc
|
229,619 | $24,201,842 | |
| 3 | STTK |
Shattuck Labs, Inc.
|
3,149,907 | $20,253,902 | |
| 4 | VOR |
Vor Biopharma Inc.
|
999,967 | $17,839,411 | |
| 5 | RYTM |
Rhythm Pharmaceuticals, Inc.
This page
|
126,078 | $10,965,003 | |
| 6 | XENE |
Xenon Pharmaceuticals Inc.
|
183,225 | $10,654,533 | |
| 7 | PVLA |
Palvella Therapeutics, Inc.
|
82,686 | $10,306,809 | |
| 8 | ZBIO |
Zenas BioPharma, Inc.
|
426,736 | $8,342,688 |
All Filings in RYTM
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,965,003 | 126,078 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $7,234,405 | 67,586 | Shares | Sole | 2026-02-13 | |
| No filing history on record for this holder in this stock. | ||||||