Argenx Se (ARGX) Institutional Ownership

Institutions by Trading Activity

65,653,007Shares Outstanding

28,513,344Shares held by institutions

$23,625,871,705Value of institutional holdings

43.43%Institutional ownership %

6.81%Shares Changed QoQ

494No. of institutional investors

Argenx Se (NASDAQ:ARGX) showed up in the 13F filings of 494 institutional investors as of December 2025.

Collectively, these holders controlled 41.7% of Argenx Se's outstanding shares in December 2025, down from 47.2% in September 2025.
They increased total shares held in Argenx Se by 2.47% from the prior quarter, while the number of investors in ARGX increased 26.67% year over year.
Of these 494 holders, 266 added to their stakes in Argenx Se, 164 trimmed positions, and 64 made no changes.
Altogether, these fund groups held 27.36Mn shares in ARGX by December 2025, up by 659.57K shares quarter on quarter, and down 10.25Mn shares year over year.
Ares Financial Consulting, LLC leads ownership in ARGX with 21 shares as of December 31, 2025, equal to 0.0% of outstanding shares.
The largest buyers of Argenx Se for the quarter ending December 2025 were Ares Financial Consulting, LLC (21).
Business Quant data shows the 1 biggest positions in Argenx Se as of December 2025 are held by Ares Financial Consulting, LLC (21).

28,513,344 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	5,592,319	-100,027	-1.76%	$4,702,860,205.00
Janus Henderson Group Plc	31 Dec, 2025	2,458,164	-117,087	-4.55%	$2,057,856,370.00
Avoro Capital Advisors LLC	31 Dec, 2025	1,980,000	990,000	100.00%	$1,665,081,000.00
Capital World Investors	31 Dec, 2025	1,916,234	-43,270	-2.21%	$1,611,433,480.00
Artisan Partners Limited Partnership	31 Dec, 2025	1,756,942	-429,568	-19.65%	$1,477,500,737.00
M&T Bank Corp	31 Dec, 2025	783,590	779,896	21,112.51%	$215,809,745.00
BlackRock, Inc.	31 Dec, 2025	735,598	211,797	40.43%	$618,601,356.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	679,236	-50,750	-6.95%	$571,203,514.00
RTW INVESTMENTS, LP	31 Dec, 2025	673,497	0	0.00%	$566,377,302.00
Morgan Stanley	31 Dec, 2025	518,852	83,746	19.25%	$436,331,072.00
Clearbridge Investments, LLC	31 Dec, 2025	513,764	-243,098	-32.12%	$432,050,063.00
Bellevue Group AG	31 Dec, 2025	461,854	-84,474	-15.46%	$388,396,121.00
Invesco Ltd.	31 Dec, 2025	416,408	331,489	390.36%	$350,178,308.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	414,182	329,429	388.69%	$348,306,353.00
Bank Of America Corp /De/	31 Dec, 2025	400,776	-283,982	-41.47%	$337,032,576.00
SANDS CAPITAL MANAGEMENT, LLC	31 Dec, 2025	356,870	340,245	2,046.59%	$300,109,826.00
CITADEL ADVISORS LLC	31 Dec, 2025	350,851	-362,708	-50.83%	$295,048,149.00
Goldman Sachs Group Inc	31 Dec, 2025	334,395	141,282	73.16%	$281,209,082.00
Sei Investments Co	31 Dec, 2025	330,506	18,238	5.84%	$277,936,826.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	258,556	-35,604	-12.10%	$217,432,668.00

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