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13G filed by Darwin Global Management, Ltd.

Darwin Global Management, Ltd. and 2 other reporting persons reported 3,668,310 GMAB shares, 5.9% of the class, as of 2026-09-28, in a 13G accepted by EDGAR 2026-10-06 01:30:10 UTC.

Accession
0000902664-26-004067
Filed
2026-10-05
Accepted by EDGAR
Ingested
Source
EDGAR live feed

Original filing

Stake

Shares
3,668,310
Percent of class
5.9%
Event date
2026-09-28

How the shares relate across the reporting persons: ambiguous: the persons may hold separate positions, so the group total can be higher. The page shows the largest row.

Read for the filer group Darwin Global Management, Ltd..

Reporting persons

PersonTypeSole votingShared votingSole dispositiveShared dispositiveAggregatePercent
Darwin Global Management, Ltd.IA,OO03,668,31003,668,3103,668,3105.9%
Dr. Abhishek TrehanIN03,668,31003,668,3103,668,3105.9%
Darwin Global Master Fund, Ltd.OO03,569,74603,569,7463,569,7465.7%