Position in LEGN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$15,853,189
+$3,352,689 QoQ
Shares Held
876,351
+52.4% QoQ
Ownership
0.237%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
18 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in LEGN Over Time
Shares Held
Position Value (USD)
Derivatives in LEGN
reported options exposure · as of Mar 31, 2026CallValue
$2,717,118
CallShares
150,200
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, 2026Hudson Bay Capital Management LP holds $534,286,565 across 150 Biotechnology names. LEGN ranks #10 (3.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BMRN |
Biomarin Pharmaceutical Inc
|
974,776 | $55,065,096 | |
| 2 | APLS |
Apellis Pharmaceuticals, Inc.
|
1,190,416 | $47,890,435 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
32,001 | $24,725,252 | |
| 4 | BNTX |
BioNTech SE
|
275,000 | $24,442,000 | |
| 5 | IONS |
Ionis Pharmaceuticals Inc
|
295,100 | $22,159,059 | |
| 6 | ARGX |
Argenx SE
|
30,000 | $21,907,500 | |
| 7 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
45,000 | $20,094,300 | |
| 8 | IMCR |
Immunocore Holdings plc
|
633,174 | $19,090,196 |
All Filings in LEGN
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,853,189 | 876,351 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $2,717,118 | 150,200 | Call | Sole | 2026-05-13 | |
| 2025-12-31 | $12,500,500 | 575,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $7,174,200 | 220,000 | Shares | Sole | 2025-12-15 | |
| 2025-06-30 | $5,483,205 | 154,500 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $5,937,750 | 175,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $6,589,350 | 202,500 | Shares | Sole | 2025-02-14 | |
| 2024-06-30 | $2,435,950 | 55,000 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $3,008,500 | 50,000 | Shares | Sole | 2024-02-14 | |
| 2022-09-30 | $1,938,000 | 47,500 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $69,236,750 | 1,258,850 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $46,564,259 | 1,281,350 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $87,456,673 | 1,876,350 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $94,987,476 | 1,878,708 | Shares | Sole | 2021-12-29 | |
| 2021-06-30 | $77,107,252 | 1,878,374 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $62,894,291 | 2,167,274 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $77,023,400 | 2,735,206 | Shares | Sole | 2021-03-04 | |
| 2020-09-30 | $87,232,631 | 2,825,806 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $130,077,915 | 3,056,342 | Shares | Sole | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||