Position in XENE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,385,050
+$6,509,496 QoQ
Shares Held
127,000
+386.6% QoQ
Ownership
0.131%
of shares outstanding
% of Portfolio
1.34%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Derivatives in XENE
reported options exposure · as of Sep 30, 2023CallValue
$0
CallShares
0
PutValue
$2,814,784
PutShares
82,400
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, 2026SPHERA FUNDS MANAGEMENT LTD. holds $300,609,660 across 61 Biotechnology names. XENE ranks #8 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MLYS |
Mineralys Therapeutics, Inc.
|
1,339,971 | $36,299,814 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
245,246 | $18,211,967 | |
| 3 | RARE |
Ultragenyx Pharmaceutical Inc.
|
809,333 | $16,955,526 | |
| 4 | SNDX |
Syndax Pharmaceuticals Inc
|
724,563 | $16,925,791 | |
| 5 | COGT |
Cogent Biosciences, Inc.
|
416,340 | $16,024,926 | |
| 6 | BMRN |
Biomarin Pharmaceutical Inc
|
139,900 | $7,902,951 | |
| 7 | CLDX |
Celldex Therapeutics, Inc.
|
243,575 | $7,726,199 | |
| 8 | XENE |
Xenon Pharmaceuticals Inc.
This page
|
127,000 | $7,385,050 |
All Filings in XENE
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,385,050 | 127,000 | Shares | Defined | 2026-05-15 | |
| 2025-03-31 | $875,554 | 26,097 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,042,202 | 52,097 | Shares | Defined | 2025-02-14 | |
| 2023-09-30 | $2,814,784 | 82,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,330,839 | 38,959 | Shares | Defined | 2023-11-14 | |
| 2021-09-30 | $5,707,232 | 373,510 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $5,141,540 | 276,130 | Shares | Defined | 2021-08-17 | |
| No filing history on record for this holder in this stock. | ||||||