Position in ZLAB
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$1,780,893
-$4,805,865 QoQ
Shares Held
94,678
-74.6% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZLAB Over Time
Shares Held
Position Value (USD)
Derivatives in ZLAB
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$1,881
PutShares
100
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, 2026Walleye Capital LLC holds $278,675,578 across 104 Biotechnology names. ZLAB ranks #41 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BMRN |
Biomarin Pharmaceutical Inc
|
364,246 | $20,576,256 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
228,593 | $16,975,316 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
87,365 | $16,516,353 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
30,752 | $13,731,998 | |
| 5 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
153,585 | $12,888,853 | |
| 6 | CELC |
Celcuity Inc.
|
105,688 | $12,063,228 | |
| 7 | INSM |
INSMED Inc
|
71,819 | $11,743,842 | |
| 8 | SNDX |
Syndax Pharmaceuticals Inc
|
384,973 | $8,992,969 |
All Filings in ZLAB
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,780,893 | 94,678 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $1,881 | 100 | Put | Sole | 2026-05-13 | |
| 2025-12-31 | $6,586,758 | 373,399 | Shares | Sole | 2026-02-13 | |
| 2025-06-30 | $487,796 | 13,949 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $805,054 | 22,276 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $536,895 | 20,500 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $11,471 | 438 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $494,870 | 20,500 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $83,234 | 3,448 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $386,753 | 22,317 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $493,905 | 28,500 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $41,652 | 2,600 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $343,036 | 21,413 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $44,856 | 2,800 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $131,184 | 4,800 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $95,655 | 3,500 | Call | Sole | 2024-02-14 | |
| No filing history on record for this holder in this stock. | ||||||