argenx SE Ownership | Who Owns argenx SE?

argenx SE Ownership Summary

argenx SE is owned by 46.00% institutional investors, and 54.00% retail investors. Fmr is the largest institutional shareholder, holding 8.52% of ARGX shares. American Funds Europacific Growth A is the top mutual fund, with 1.91% of its assets in argenx SE shares.

ARGX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	argenx SE	46.00%	-	54.00%
Sector	Healthcare Stocks	244.82%	12.08%	-156.90%
Industry	Biotech Stocks	379.61%	11.70%	-291.31%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	5.23M	8.52%	$4.85B
Price t rowe associates inc /md/	2.68M	4.36%	$2.48B
Janus henderson group	2.54M	4.14%	$1.85B
Capital world investors	2.20M	3.58%	$2.04B
Artisan partners limited partnership	1.51M	2.46%	$1.40B
Blackrock	1.01M	1.71%	$434.90M
Avoro capital advisors	1.00M	1.63%	$927.77M
Wellington management group llp	930.55K	1.52%	$863.33M
Blackrock funding, inc. /de	777.24K	1.27%	$721.10M
Rtw investments, lp	709.45K	1.16%	$658.20M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Checkpoint capital	131.28K	31.25%	$121.80M
Eagle health investments lp	76.42K	11.75%	$70.90M
Avoro capital advisors	1.00M	8.33%	$927.77M
Bellevue group	301.00K	5.88%	$279.26M
Rtw investments, lp	709.45K	5.62%	$658.20M
Artia global partners lp	29.74K	5.09%	$27.59M
Resolute capital asset partners	12.00K	4.76%	$11.13M
Tri locum partners lp	41.60K	4.75%	$38.59M
Patient square capital lp	23.00K	3.31%	$21.34M
Acuta capital partners	4.71K	3.04%	$4.37M

Top Buyers

Holder	Shares	% Assets	Change
Fmr	5.23M	0.21%	240.42K
Bessemer group	267.78K	0.34%	203.53K
Barclays	134.43K	0.02%	128.93K
Two sigma advisers, lp	139.70K	0.21%	125.70K
Alkeon capital management	175.00K	0.19%	100.00K

Top Sellers

Holder	Shares	% Assets	Change
Price t rowe associates inc /md/	2.68M	0.25%	-696.91K
Massachusetts financial services co /ma/	-	-	-425.55K
Deep track capital, lp	-	-	-365.00K
Invesco	443.99K	0.03%	-150.71K
Sofinnova investments	-	-	-149.30K

New Positions

Holder	Shares	% Assets	Change	Value
Capital research global investors	88.51K	0.01%	88.51K	$82.12M
Canada pension plan investment board	60.58K	0.03%	60.58K	$56.20M
Westfield capital management co lp	57.08K	0.17%	57.08K	$52.96M
Arrowstreet capital, limited partnership	40.06K	0.02%	40.06K	$37.17M
Point72 asset management	39.98K	0.04%	39.98K	$37.10M

Sold Out

Holder	Change
Palisade asset management	-1.00
Nelson, van denburg & campbell wealth management group	-1.00
St germain d j	-1.00
Clarivest asset management	-1.00
Advisornet financial	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	521	4.83%	28,250,979	-1.96%	45	2.09%	264	10.46%	164	-5.75%
Mar 31, 2026	256	-51.70%	3,149,005	-89.41%	5	0.22%	120	-56.52%	90	-45.78%
Dec 31, 2025	184	-62.75%	1,228,339	-95.98%	2	0.08%	102	-62.50%	51	-61.65%
Sep 30, 2025	203	-54.59%	1,880,393	-93.83%	3	0.12%	117	-48.23%	47	-67.81%
Jun 30, 2025	456	-1.08%	32,120,664	-3.07%	52	1.72%	229	-2.14%	147	-2.65%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
American Funds Europacific Growth A	1.16M	1.91%	-
Capital Group EuroPacific Growth Comp	1.16M	1.91%	-
American Funds EUPAC A	1.02M	1.66%	-72.96K
Capital Group EUPAC Composite	1.02M	1.64%	-72.96K
Fidelity Growth Compy Commingled Pl O	839.00K	1.40%	-
Fidelity Growth Compy Commingled Pl S	817.58K	1.31%	-
American Funds New Economy A	729.82K	1.18%	16.13K
Capital Group New Economy Comp	729.82K	1.17%	16.13K
BB Biotech AG Ord	591.00K	0.97%	-39.00K
Fidelity Growth Company Fund	608.31K	0.97%	-752.00

ARGX Ownership FAQ

Who Owns argenx SE?

argenx SE shareholders are primarily institutional investors at 46.00%, followed by 0% insiders and 0% retail investors. The average institutional ownership in argenx SE's industry, Biotech Stocks , is 379.61%, which argenx SE falls below.

Who owns the most shares of argenx SE?

argenx SE’s largest shareholders are Fmr (5.23M shares, 8.52%), Price t rowe associates inc /md/ (2.68M shares, 4.36%), and Janus henderson group (2.54M shares, 4.14%). Together, they hold 17.02% of argenx SE’s total shares outstanding.

Does Blackrock own argenx SE?

Yes, BlackRock owns 1.71% of argenx SE, totaling 1.01M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 434.9M$. In the last quarter, BlackRock decreased its holdings by -35.998K shares, a -3.44% change.

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

Checkpoint capital is argenx SE’s biggest shareholder by percentage of total assets invested, with 31.25% of its assets in 131.28K argenx SE shares, valued at 121.8M$.

Who is the top mutual fund holder of argenx SE shares?

American Funds Europacific Growth A is the top mutual fund holder of argenx SE shares, with 1.91% of its total shares outstanding invested in 1.16M argenx SE shares.

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