Schonfeld Strategic Advisors LLC
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 1665241
NEW YORK, NY
Position in RARE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$10,364,740
-$6,692,474 QoQ
Shares Held
494,737
-33.3% QoQ
Ownership
0.502%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
14 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)
Derivatives in RARE
reported options exposure · as of Dec 31, 2025CallValue
$529,000
CallShares
23,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026Schonfeld Strategic Advisors LLC holds $295,816,121 across 125 Biotechnology names. RARE ranks #7 (3.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FOLD |
AMICUS THERAPEUTICS, INC.
|
1,757,899 | $25,419,219 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
71,767 | $23,745,547 | |
| 3 | PTCT |
Ptc Therapeutics, Inc.
|
318,405 | $21,692,932 | |
| 4 | XENE |
Xenon Pharmaceuticals Inc.
|
324,722 | $18,882,584 | |
| 5 | INBX |
Inhibrx Biosciences, Inc.
|
254,827 | $17,132,019 | |
| 6 | JAZZ |
Jazz Pharmaceuticals plc
|
62,142 | $11,747,945 | |
| 7 | RARE |
Ultragenyx Pharmaceutical Inc.
This page
|
494,737 | $10,364,740 | |
| 8 | INSM |
INSMED Inc
|
56,056 | $9,166,277 |
All Filings in RARE
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16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,364,740 | 494,737 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,057,214 | 741,618 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $529,000 | 23,000 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $34,429,237 | 1,144,589 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $20,622,483 | 567,175 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $29,852,175 | 824,418 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,103,500 | 50,000 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $31,444,338 | 747,429 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $22,266,273 | 400,833 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $29,466,521 | 716,947 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $20,580,858 | 440,798 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $16,393,269 | 342,812 | Shares | Sole | 2024-02-14 | |
| 2023-03-31 | $780,907 | 19,474 | Shares | Sole | 2023-05-15 | |
| 2022-06-30 | $1,273,621 | 21,348 | Shares | Sole | 2022-08-15 | |
| 2021-09-30 | $872,137 | 9,670 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $220,925 | 2,317 | Shares | Sole | 2021-11-16 | |
| No filing history on record for this holder in this stock. | ||||||