BOOTHBAY FUND MANAGEMENT, LLC
Position in XENE — Xenon Pharmaceuticals Inc.
CIK 1549230
NEW YORK, NY
Position in XENE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$15,724,457
+$14,125,235 QoQ
Shares Held
270,412
+657.9% QoQ
Ownership
0.280%
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Derivatives in XENE
reported options exposure · as of Dec 31, 2025CallValue
$0
CallShares
0
PutValue
$1,600,074
PutShares
35,700
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. XENE ranks #8 (2.9% 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.
This page
|
270,412 | $15,724,457 |
All Filings in XENE
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,724,457 | 270,412 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $1,599,222 | 35,681 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $1,600,074 | 35,700 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $1,158,688 | 28,859 | Shares | Other | 2025-11-14 | |
| 2024-12-31 | $681,884 | 17,395 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $1,186,808 | 30,145 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $1,175,353 | 30,145 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $1,307,041 | 30,361 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $1,854,191 | 40,256 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $384,345 | 9,983 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $423,216 | 11,825 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $466,259 | 11,825 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $426,882 | 11,825 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $800,228 | 26,306 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $743,645 | 24,326 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $574,066 | 18,376 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $349,912 | 22,900 | Put | Other | 2021-11-15 | |
| 2021-09-30 | $784,230 | 51,324 | Shares | Other | 2021-11-15 | |
| 2021-09-30 | $835,816 | 54,700 | Call | Other | 2021-11-15 | |
| 2021-06-30 | $377,986 | 20,300 | Call | Other | 2021-08-17 | |
| 2021-06-30 | $1,782,995 | 95,757 | Shares | Other | 2021-08-17 | |
| 2021-03-31 | $1,625,606 | 90,816 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $653,849 | 42,513 | Shares | Other | 2021-02-12 | |
| 2020-09-30 | $404,254 | 36,518 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $560,349 | 44,685 | Shares | Other | 2020-08-14 | |
| 2020-03-31 | $736,975 | 64,989 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||