Genmab Ownership | Who Owns Genmab?

Genmab Ownership Summary

Genmab is owned by 4.63% institutional investors, and 95.37% retail investors. Blackrock is the largest institutional shareholder, holding 7.78% of GMAB shares. AllianceBernstein US L/C Growth Eqty MF is the top mutual fund, with 0.93% of its assets in Genmab shares.

GMAB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Genmab	4.63%	-	95.37%
Sector	Healthcare Stocks	42.54%	10.82%	46.64%
Industry	Biotech Stocks	45.21%	10.75%	44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	5.08M	7.78%	$127.67M
Orbis allan gray	11.08M	1.79%	$339.76M
Alliancebernstein	10.95M	1.77%	$335.96M
Bank of america corp /de/	1.10M	1.68%	$27.57M
Millennium management	927.75K	1.43%	$19.36M
Paradigm biocapital advisors lp	3.82M	0.62%	$117.06M
Arrowstreet capital, limited partnership	3.64M	0.59%	$111.74M
Harding loevner lp	3.48M	0.56%	$106.86M
Blackrock funding, inc. /de	3.45M	0.56%	$105.83M
Renaissance	2.82M	0.46%	$86.54M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ikarian capital	175.00K	5.35%	$53.02M
Paradigm biocapital advisors lp	3.82M	3.33%	$117.06M
Avidity partners management lp	248.10K	1.73%	$7.61M
Aimz investment advisors	164.51K	1.58%	$5.05M
Orbis allan gray	11.08M	1.46%	$339.76M
Private wealth advisors	148.34K	1.12%	$3.06M
Harding loevner lp	3.48M	0.78%	$106.86M
Virtus etf advisers	27.50K	0.55%	$843.27K
Deep track capital, lp	481.27K	0.41%	$14.76M
Legacy wealth asset management	46.59K	0.35%	$1.43M

Top Buyers

Holder	Shares	% Assets	Change
Paradigm biocapital advisors lp	3.82M	3.33%	3.82M
Orbis allan gray	11.08M	1.46%	3.16M
Harding loevner lp	3.48M	0.78%	561.05K
Deep track capital, lp	481.27K	0.41%	481.27K
Fmr	1.12M	0.00%	439.18K

Top Sellers

Holder	Shares	% Assets	Change
Capital investors	-	-	-2.57M
Wellington management group llp	-	-	-2.31M
Marshall wace, llp	533.21K	0.02%	-1.37M
Morgan stanley	1.67M	0.00%	-1.02M
Voloridge investment management	130.81K	0.01%	-818.36K

New Positions

Holder	Shares	% Assets	Change	Value
Paradigm biocapital advisors lp	3.82M	3.33%	3.82M	$117.06M
Deep track capital, lp	481.27K	0.41%	481.27K	$14.76M
Federated hermes	422.94K	0.02%	422.94K	$12.97M
Cibc world market	279.93K	0.02%	279.93K	$8.59M
Ikarian capital	175.00K	5.35%	175.00K	$53.02M

Sold Out

Holder	Change
Zurcher kantonalbank (zurich cantonalbank)	-1.00
Deutsche bank ag\	-4.00
Group one trading	-8.00
Mendota financial group	-8.00
Baillie gifford	-12.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	179	-15.96%	28,573,191	-37.70%	4	0.09%	120	5.26%	40	-44.44%
Jun 30, 2025	219	-3.52%	63,692,065	-1.88%	99	0.96%	116	-11.45%	74	12.12%
Mar 31, 2025	226	-2.59%	64,889,241	6.75%	101	1.16%	129	3.20%	67	-10.67%
Dec 31, 2024	154	-31.56%	35,827,984	-31.48%	55	0.85%	73	-42.52%	59	-9.23%
Sep 30, 2024	224	1.36%	52,289,656	7.32%	80	1.43%	126	32.63%	65	-29.35%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
AllianceBernstein US L/C Growth Eqty MF	5.71M	0.93%	-
AB Large Cap Growth A	4.10M	0.67%	-
iShares Biotechnology ETF	2.42M	0.39%	-
Vanguard Health Care Inv	2.29M	0.36%	-
T. Rowe Price International Gr Eq SMA	1.90M	0.30%	1.90M
First Trust NYSE Arca Biotech ETF	1.59M	0.26%	-
AB US Large Cap Growth CT B	1.39M	0.23%	-
AB American Growth AX USD	1.19M	0.19%	-52.71K
American Growth One D	1.19M	0.19%	-47.56K
Xtrackers S&P 500 Swap ETF 1C	1.02M	0.16%	1.02M

GMAB Ownership FAQ

Who Owns Genmab?

Genmab shareholders are primarily institutional investors at 4.63%, followed by 0% insiders and 0% retail investors. The average institutional ownership in Genmab's industry, Biotech Stocks , is 45.21%, which Genmab falls below.

Who owns the most shares of Genmab?

Genmab’s largest shareholders are Blackrock (5.08M shares, 7.78%), Orbis allan gray (11.08M shares, 1.79%), and Alliancebernstein (10.95M shares, 1.77%). Together, they hold 11.35% of Genmab’s total shares outstanding.

Does Blackrock own Genmab?

Yes, BlackRock owns 7.78% of Genmab, totaling 5.08M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 127.67M$. In the last quarter, BlackRock increased its holdings by 13.43K shares, a 0.27% change.

Who is Genmab’s biggest shareholder by percentage of total assets invested?

Ikarian capital is Genmab’s biggest shareholder by percentage of total assets invested, with 5.35% of its assets in 175K Genmab shares, valued at 53.02M$.

Who is the top mutual fund holder of Genmab shares?

AllianceBernstein US L/C Growth Eqty MF is the top mutual fund holder of Genmab shares, with 0.93% of its total shares outstanding invested in 5.71M Genmab shares.

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