SR One Capital Management, LP
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 1910264
Redwood City, CA
Position in RARE
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$2,885,925
-$282,394 QoQ
Shares Held
137,753
0.0% QoQ
Ownership
0.140%
of shares outstanding
% of Portfolio
0.32%
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 RARE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026SR One Capital Management, LP holds $914,169,725 across 14 Biotechnology names. RARE ranks #14 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACLX |
Arcellx, Inc.
|
2,346,630 | $269,440,056 | |
| 2 | MANE |
Veradermics, Inc
|
2,401,868 | $151,677,964 | |
| 3 | ZBIO |
Zenas BioPharma, Inc.
|
5,037,854 | $98,490,045 | |
| 4 | CRSP |
CRISPR Therapeutics AG
|
2,038,763 | $96,983,955 | |
| 5 | DSGN |
Design Therapeutics, Inc.
|
6,526,476 | $69,441,704 | |
| 6 | ORIC |
Oric Pharmaceuticals, Inc.
|
4,514,929 | $57,204,150 | |
| 7 | ALMS |
Alumis Inc.
|
1,959,896 | $43,176,508 | |
| 8 | MLYS |
Mineralys Therapeutics, Inc.
|
1,563,966 | $42,367,838 |
All Filings in RARE
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,885,925 | 137,753 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,168,319 | 137,753 | Shares | Sole | 2026-02-12 | |
| No filing history on record for this holder in this stock. | ||||||