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Equibles

Hudson Bay Capital Management LP

Position in GMAB — Genmab A/S

CIK 1393825 STAMFORD, CT
Back to GMAB Full portfolio

Position in GMAB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$9,065,100
+$747,800 QoQ
Shares Held
330,000
+6.5% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#37
of 292 holders
Holding Since
Sep 2022
14 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GMAB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Hudson Bay Capital Management LP holds $565,820,903 across 77 Biotechnology names. GMAB ranks #16 (1.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 390,440 $193,943,261
2 BMRN
Biomarin Pharmaceutical Inc
 825,002 $47,206,614
3 ALNY
Alnylam Pharmaceuticals, Inc.
 148,720 $44,769,181
4 BNTX
BioNTech SE
 260,000 $24,193,000
5 IMCR
Immunocore Holdings plc
 590,000 $18,732,500
6 TECH
BIO-TECHNE Corp
 200,000 $14,130,000
7 VIR
Vir Biotechnology, Inc.
 1,364,000 $13,899,160
8 PTCT
Ptc Therapeutics, Inc.
 159,778 $13,033,091

All Filings in GMAB

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,065,100 330,000
2026-03-31 $8,317,300 310,000
2025-12-31 $10,010,000 325,000
2025-09-30 $8,127,550 265,000
2025-06-30 $6,198,000 300,000
2025-03-31 $5,971,900 305,000
2024-12-31 $11,269,800 540,000
2024-09-30 $6,460,700 265,000
2024-06-30 $6,659,450 265,000
2024-03-31 $2,691,900 90,000
2023-12-31 $3,024,800 95,000
2023-09-30 $1,763,500 50,000
2023-06-30 $1,140,300 30,000
2022-09-30 $2,466,941 76,780