argenx SE Ownership | Who Owns argenx SE?

argenx SE Ownership Summary

argenx SE is owned by 5.13% institutional investors, and 94.87% retail investors. Fmr is the largest institutional shareholder, holding 8.13% 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	5.13%	-	94.87%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%
Industry	Biotech Stocks	35.75%	11.83%	52.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	4.99M	8.13%	$3.64B
Price t rowe associates inc /md/	3.37M	5.50%	$2.46B
Janus henderson group	2.54M	4.14%	$1.85B
Capital world investors	2.26M	3.67%	$1.65B
Artisan partners limited partnership	1.47M	2.39%	$1.07B
Blackrock	1.01M	1.71%	$434.90M
Wellington management group llp	1.02M	1.66%	$745.92M
Avoro capital advisors	1.00M	1.63%	$730.25M
Blackrock funding, inc. /de	808.34K	1.32%	$590.29M
Rtw investments, lp	709.45K	1.16%	$518.07M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Checkpoint capital	153.00K	40.10%	$111.73M
Eagle health investments lp	76.34K	9.75%	$55.74M
Tri locum partners lp	43.41K	7.36%	$32.02M
Avoro capital advisors	1.00M	7.18%	$730.25M
Davern capital partners, lp	35.05K	7.02%	$25.59M
Bellevue group	313.00K	5.44%	$228.57M
Rtw investments, lp	709.45K	5.16%	$518.07M
Artia global partners lp	29.74K	4.79%	$21.72M
Patient square capital lp	36.72K	4.76%	$26.81M
Rock springs capital management lp	98.50K	4.24%	$71.93M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	1.02M	0.14%	342.22K
Capital world investors	2.26M	0.22%	339.98K
Invesco	594.70K	0.07%	178.29K
Two sigma advisers, lp	139.70K	0.21%	125.70K
Bnp paribas arbitrage, snc	177.84K	0.06%	107.09K

Top Sellers

Holder	Shares	% Assets	Change
Fmr	4.99M	0.19%	-601.28K
Massachusetts financial services co /ma/	-	-	-425.55K
Deep track capital, lp	-	-	-365.00K
Artisan partners limited partnership	1.47M	1.72%	-288.96K
Clearbridge investments	231.36K	0.15%	-282.41K

New Positions

Holder	Shares	% Assets	Change	Value
Adage capital partners gp	90.00K	0.10%	90.00K	$65.72M
Melqart asset management (uk)	38.00K	1.35%	38.00K	$16.34M
Axa investment managers	26.71K	0.05%	26.71K	$19.70M
Mirova	19.83K	0.59%	19.83K	$14.48M
Hap trading	18.80K	0.01%	18.80K	$117.50K

Sold Out

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

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2025	461	12.99%	33,399,374	-2.11%	55	1.73%	233	3.56%	154	29.41%

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%	-
Capital Group EUPAC Composite	1.10M	1.77%	11.33K
American Funds EUPAC A	1.10M	1.77%	11.33K
Fidelity Growth Compy Commingled Pl O	839.00K	1.40%	-
Fidelity Growth Compy Commingled Pl S	816.47K	1.31%	1.12K
Capital Group New Economy Comp	713.69K	1.15%	282.00K
American Funds New Economy A	713.69K	1.15%	282.00K
US Small-Cap Growth II Equity Comp	624.31K	1.02%	-155.42K
Fidelity Growth Company Fund	609.07K	0.98%	-

ARGX Ownership FAQ

Who Owns argenx SE?

argenx SE shareholders are primarily institutional investors at 5.13%, followed by 0% insiders and 0% retail investors. The average institutional ownership in argenx SE's industry, Biotech Stocks , is 35.75%, which argenx SE falls below.

Who owns the most shares of argenx SE?

argenx SE’s largest shareholders are Fmr (4.99M shares, 8.13%), Price t rowe associates inc /md/ (3.37M shares, 5.50%), and Janus henderson group (2.54M shares, 4.14%). Together, they hold 17.76% 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 40.10% of its assets in 153K argenx SE shares, valued at 111.73M$.

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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