BOOTHBAY FUND MANAGEMENT, LLC
Position in FULC — Fulcrum Therapeutics, Inc.
CIK 1549230
NEW YORK, NY
Position in FULC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,331,587
-$3,521,632 QoQ
Shares Held
303,988
-41.3% QoQ
Ownership
0.456%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#39
of 168 holders
Holding Since
Dec 2020
12 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in FULC Over Time
Shares Held
Position Value (USD)
Derivatives in FULC
reported options exposure · as of Jun 30, 2025CallValue
$1,313,392
CallShares
190,900
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, 2026BOOTHBAY FUND MANAGEMENT, LLC holds $541,089,850 across 142 Biotechnology names. FULC ranks #51 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
472,961 | $52,664,207 | |
| 2 | RVMD |
Revolution Medicines, Inc.
|
438,595 | $42,653,363 | |
| 3 | EXEL |
Exelixis, Inc.
|
803,866 | $34,477,812 | |
| 4 | PCVX |
Vaxcyte, Inc.
|
522,019 | $30,334,524 | |
| 5 | MLYS |
Mineralys Therapeutics, Inc.
|
1,001,728 | $27,136,811 | |
| 6 | TERN |
Terns Pharmaceuticals, Inc.
|
486,170 | $25,630,882 | |
| 7 | CGEM |
Cullinan Therapeutics, Inc.
|
1,112,803 | $15,812,930 | |
| 8 | XENE |
Xenon Pharmaceuticals Inc.
|
270,412 | $15,724,457 |
All Filings in FULC
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,331,587 | 303,988 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $5,853,219 | 517,526 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $6,241,408 | 678,414 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $972,680 | 141,378 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $1,313,392 | 190,900 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $171,455 | 59,533 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $279,805 | 59,533 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $460,887 | 129,100 | Call | Other | 2024-11-14 | |
| 2024-09-30 | $78,315 | 21,937 | Shares | Other | 2024-11-14 | |
| 2023-12-31 | $79,177 | 11,730 | Shares | Other | 2024-02-14 | |
| 2022-06-30 | $118,090 | 24,100 | Call | Other | 2022-08-15 | |
| 2021-06-30 | $304,444 | 29,050 | Shares | Other | 2021-08-17 | |
| 2021-03-31 | $599,413 | 50,884 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $584,422 | 49,908 | Shares | Other | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||