Argenx Se (ARGX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,131,016Shares held by institutions

$796,563,259Value of institutional holdings

47.30%Institutional ownership %

-5.33%Shares Changed QoQ

433No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Argenx Se (NASDAQ:ARGX) has 494 institutional investors with active 13F positions as of December 2025.

They owned 41.7% of outstanding stock in December 2025, down from 47.2% the prior quarter.
Their total shares held in ARGX increased 2.47% from the prior quarter, while the number of investors in Argenx Se increased 26.67% year over year.
Of these 494 funds, 266 grew their exposure to Argenx Se, 164 cut back, and 64 maintained positions.
The aggregate institutional position in Argenx Se amounted to 27.36Mn shares as of December 2025, up by 659.57K shares quarter on quarter, and down 10.25Mn shares year over year.
As of December 31, 2025, FMR LLC held the largest stake in Argenx Se with 5.59Mn shares, accounting for 8.52% of total shares outstanding.
The biggest buyers of Argenx Se for the quarter ending December 2025 included M&T Bank Corp (779.9K), SANDS CAPITAL MANAGEMENT, LLC (340.24K), Invesco Ltd. (331.49K), ALLIANCEBERNSTEIN L.P. (329.43K), Corient Private Wealth LLC (246.75K).
The biggest sellers of Argenx Se for the quarter ending December 2025 included Artisan Partners Limited Partnership (429.57K), CITADEL ADVISORS LLC (362.71K), MILLENNIUM MANAGEMENT LLC (287.06K), Bank Of America Corp /De/ (283.98K), Clearbridge Investments, LLC (243.1K).
Argenx Se's 10 largest shareholders as of December 2025 include FMR LLC (5.59Mn), Janus Henderson Group Plc (2.46Mn), Capital World Investors (1.92Mn), Artisan Partners Limited Partnership (1.76Mn), Avoro Capital Advisors LLC (990.0K), M&T Bank Corp (783.59K), BlackRock, Inc. (735.6K), WELLINGTON MANAGEMENT GROUP LLP (679.24K), RTW INVESTMENTS, LP (673.5K), Morgan Stanley (518.85K) per Business Quant data.

494 Institutional Holders

1,131,016 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	211,797	40.43%	$0.00
FMR LLC	31 Dec, 2025	-100,027	-1.76%	$0.00
Avoro Capital Advisors LLC	31 Dec, 2025	990,000	100.00%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	-117,087	-4.55%	$0.00
Bellevue Group AG	31 Dec, 2025	-84,474	-15.46%	$0.00
Barclays Plc	31 Dec, 2025	9,952	1,736.82%	$0.00
Capital World Investors	31 Dec, 2025	-43,270	-2.21%	$0.00
Corient Private Wealth LLC	31 Dec, 2025	246,751	12,550.92%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	1,152	218.18%	$0.00
Artisan Partners Limited Partnership	31 Dec, 2025	-429,568	-19.65%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	223,666	0.00%	$0.00
M&T Bank Corp	31 Dec, 2025	779,896	21,112.51%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-38,598	-18.26%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	-50,750	-6.95%	$0.00
Pictet Asset Management Holding SA	31 Dec, 2025	-16,122	-9.52%	$0.00
RTW INVESTMENTS, LP	31 Dec, 2025	0	0.00%	$0.00
PINEBRIDGE INVESTMENTS LLC	31 Dec, 2025	144,080	0.00%	$0.00
Morgan Stanley	31 Dec, 2025	83,746	19.25%	$0.00
Checkpoint Capital L.P.	31 Dec, 2025	-8,000	-5.33%	$0.00
Clearbridge Investments, LLC	31 Dec, 2025	-243,098	-32.12%	$0.00

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