13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
GMAB

GENMAB A/S

292 institutions still hold GENMAB A/S as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 372303206·292 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 4.8%
vs prior quarter
13F value held
$1.8B
54.0% inst. owned
of float
Holders
292
+34 QoQ
filers reporting
Activity
+51 / −22
+761 added · −821 reduced
this quarter
Concentration
18.86%
Orbis Allan Gray Ltd #1
top holder share
AI Holders Summary · Q1 2026

292 institutions reported GMAB in Q1 2026. Orbis Allan Gray Ltd leads at 18.9% of the visible book. +34 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Orbis Allan Gray Ltd
CIK 0001663865
$347M12.9M1.46%Q1 202602
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$294M9.6M0.10%Q1 202603
Paradigm Biocapital Advisors LP
CIK 0001855655
$214M8.0M4.37%Q1 202604
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$133M5.0M0.07%Q1 202605
BlackRock, Inc.
CIK 0002012383
$122M4.5M0.00%Q1 202606
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$118M4.4M0.19%Q1 202607
Deep Track Capital, LP
CIK 0001856083
$98M3.7M1.60%Q1 202608
HARDING LOEVNER LP
CIK 0000928196
$87M3.2M0.89%Q1 202609
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$66M2.5M0.05%Q1 202610
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$63M2.3M0.05%Q1 202611
MORGAN STANLEY
CIK 0000895421
$59M2.2M0.00%Q1 202612
FEDERATED HERMES, INC.
CIK 0001056288
$34M1.3M0.05%Q1 202613
FRANKLIN RESOURCES INC
CIK 0000038777
$32M1.2M0.01%Q1 202614
Pictet Asset Management Holding SA
CIK 0001993888
$29M1.1M0.03%Q1 202615
FMR LLC
CIK 0000315066
$27M1.0M0.00%Q1 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$26M951K0.00%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$25M931K0.00%Q1 202618
ENVESTNET ASSET MANAGEMENT INC
CIK 0001407543
$23M862K0.01%Q1 202619
Russell Investments Group, Ltd.
CIK 0001692234
$21M797K0.02%Q1 202620
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$21M792K0.01%Q1 2026
Page 1 of 15
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