Genmab A GMAB Institutional Ownership

NASDAQ GMAB

$33.77 -0.64 (-1.86%)

As of: Sep 4, 2026 · 1:33 PM EDT

Institutions by Trading Activity

291 Institutions

Increased 156 53.6%

Unchanged 40 13.7%

Reduced 95 32.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

158.25%

▲+31.82 pp QoQ

Shares Held by Institutions

102.42Mn

of 64.72Mn outstanding

▲+25.98% QoQ

Shares Outstanding

64.72Mn

-37.70Mn held outside 13F filers

Institutional Investors

291

filed 13F for Jun 2026

▲+17 vs prior quarter

Net Shares Added (QoQ)

+21.12Mn

accumulated since last quarter

Value of Holdings

$3.52Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Genmab A/S (NASDAQ:GMAB) is held by 291 institutional investors per 13F filings through June 2026.

Their combined ownership stood at 158.3% of outstanding shares in June 2026, up from 126.4% in March 2026.
Their total shares held in GMAB increased 25.98% quarter over quarter, and separately, investors owning Genmab A increased 34.72% from a year ago.
Among the 291 funds, 156 bought more Genmab A shares, 95 sold down, and 40 held their ground.
Combined, these investors held 102.42Mn shares in GMAB for June 2026, up by 21.12Mn shares quarter on quarter, and up 44.54Mn shares year over year.
Paradigm Biocapital Advisors LP leads ownership in GMAB with 13.13Mn shares as of June 30, 2026, equal to 20.29% of outstanding shares.
The largest buyers of Genmab A for the quarter ending June 2026 were Paradigm Biocapital Advisors LP (5.17Mn), DEERFIELD MANAGEMENT COMPANY, L.P. (4.4Mn), Sofinnova Investments, Inc. (3.29Mn), CITADEL ADVISORS LLC (2.48Mn), Deep Track Capital, LP (1.99Mn).
Top sellers of GMAB stock for the quarter ending June 2026 included Orbis Allan Gray Ltd (1.56Mn), ALLIANCEBERNSTEIN L.P. (912.27K), RENAISSANCE TECHNOLOGIES LLC (896.7K), Morgan Stanley (554.54K), FMR LLC (247.03K).
Per Business Quant, the top 10 investors in GMAB for the quarter ending June 2026 include Paradigm Biocapital Advisors LP (13.13Mn), Orbis Allan Gray Ltd (11.37Mn), ALLIANCEBERNSTEIN L.P. (8.64Mn), DEERFIELD MANAGEMENT COMPANY, L.P. (6.86Mn), Deep Track Capital, LP (5.65Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (4.98Mn), BlackRock, Inc. (4.67Mn), Sofinnova Investments, Inc. (4.05Mn), RENAISSANCE TECHNOLOGIES LLC (3.52Mn), TWO SIGMA INVESTMENTS, LP (3.51Mn).

Form 13F Holdings

292 Institutional Holders

Report period 30 Jun, 2026

Total shares held 102.42Mn

Of outstanding 158.25%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Paradigm Biocapital Advisors LP	0001855655	13,133,131	20.29%	▲5,165,295	+64.83%	$360.77Mn
2	Orbis Allan Gray Ltd	0001663865	11,368,161	17.56%	▼1,557,417	-12.05%	$312.28Mn
3	ALLIANCEBERNSTEIN L.P.	0001109448	8,644,877	13.36%	▼912,272	-9.55%	$231.94Mn
4	DEERFIELD MANAGEMENT COMPANY, L.P.	0001009258	6,865,000	10.61%	▲4,403,000	+178.84%	$188.58Mn
5	Deep Track Capital, LP	0001856083	5,650,000	8.73%	▲1,986,750	+54.23%	$155.21Mn
6	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	4,975,324	7.69%	0	0.00%	$136.67Mn
7	BlackRock, Inc.	0002012383	4,671,252	7.22%	▲134,687	+2.97%	$128.32Mn
8	Sofinnova Investments, Inc.	0001631134	4,045,215	6.25%	▲3,292,954	+437.74%	$111.12Mn
9	RENAISSANCE TECHNOLOGIES LLC	0001037389	3,517,850	5.44%	▼896,700	-20.31%	$96.64Mn
10	TWO SIGMA INVESTMENTS, LP	0001179392	3,506,843	5.42%	▲1,167,411	+49.90%	$96.33Mn
11	HARDING LOEVNER LP	0000928196	3,086,318	4.77%	▼145,283	-4.50%	$86.90Mn
12	FIRST TRUST ADVISORS LP	0001125816	2,756,522	4.26%	▲295,180	+11.99%	$75.72Mn
13	CITADEL ADVISORS LLC	0001423053	2,475,991	3.83%	▲2,475,991	0.00%	$68.02Mn
14	Qube Research & Technologies Ltd	0001729829	1,689,284	2.61%	▲1,011,938	+149.40%	$46.40Mn
15	Morgan Stanley	0000895421	1,630,161	2.52%	▼554,540	-25.38%	$44.78Mn
16	Federated Hermes, Inc.	0001056288	1,449,376	2.24%	▲197,786	+15.80%	$39.81Mn
17	Goldman Sachs Group Inc	0000886982	1,279,231	1.98%	▲347,972	+37.37%	$35.14Mn
18	Franklin Resources Inc	0000038777	1,202,923	1.86%	▲9,778	+0.82%	$33.04Mn
19	Pictet Asset Management Holding SA	0001993888	1,065,927	1.65%	▼11,544	-1.07%	$29.28Mn
20	UBS Group AG	0001610520	961,053	1.48%	▲662,921	+222.36%	$26.40Mn

Showing 1 to 20 of 292 holders