Position in MGNX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$968,915
+$915,496 QoQ
Shares Held
335,265
+910.4% QoQ
Ownership
0.527%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MGNX Over Time
Shares Held
Position Value (USD)
Derivatives in MGNX
reported options exposure · as of Mar 31, 2026CallValue
$219,062
CallShares
75,800
PutValue
$289
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 $278,334,962 across 104 Biotechnology names. MGNX ranks #55 (0.3% 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 MGNX
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $219,062 | 75,800 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $968,915 | 335,265 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $289 | 100 | Put | Sole | 2026-05-13 | |
| 2025-12-31 | $53,419 | 33,180 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $42,302 | 25,180 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $30,467 | 25,180 | Shares | Sole | 2025-08-13 | |
| 2024-12-31 | $124,647 | 38,353 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $377,507 | 114,744 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $866,766 | 203,945 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $696,476 | 47,315 | Shares | Sole | 2024-05-15 | |
| 2022-12-31 | $558,949 | 83,301 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $487,991 | 141,038 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,705,654 | 578,188 | Shares | Sole | 2022-08-19 | |
| 2022-03-31 | $1,885,146 | 213,978 | Shares | Sole | 2022-05-27 | |
| No filing history on record for this holder in this stock. | ||||||