Artisan Partners Limited Partnership

Position in ARGX — Argenx SE

CIK 1466153 Milwaukee, WI

Back to ARGX Full portfolio

Position in ARGX

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$1,071,993,855

-$405,506,519 QoQ

Shares Held

1,467,982

-16.4% QoQ

Ownership

2.36%

of shares outstanding

% of Portfolio

1.77%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 94.47132185544508.ToString("F0")% Shared 0.ToString("F0")% None 5.528678144554906.ToString("F0")%

Common Shares in ARGX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Artisan Partners Limited Partnership holds $3,601,883,777 across 24 Biotechnology names. ARGX ranks #1 (29.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE This page	1,467,982	$1,071,993,855
2	INSM	INSMED Inc	6,527,301	$1,067,344,259
3	ASND	Ascendis Pharma A/S	3,230,188	$738,840,901
4	IONS	Ionis Pharmaceuticals Inc	2,058,308	$154,558,347
5	MDGL	Madrigal Pharmaceuticals, Inc.	183,540	$96,077,683
6	CELC	Celcuity Inc.	457,070	$52,169,969
7	DBVT	DBV Technologies S.A.	2,219,386	$46,362,973
8	LEGN	Legend Biotech Corp	2,254,488	$40,783,687

All Filings in ARGX

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,071,993,855	1,467,982	-16.4%	Shares	Sole	2026-05-13
2025-12-31	$1,477,500,374	1,756,942	-19.6%	Shares	Sole	2026-02-17
2025-09-30	$1,612,682,315	2,186,510	-6.9%	Shares	Sole	2025-11-12
2025-06-30	$1,295,243,526	2,349,776	-15.7%	Shares	Sole	2025-08-12
2025-03-31	$1,648,870,784	2,785,890	-9.3%	Shares	Sole	2025-05-14
2024-12-31	$1,888,046,925	3,069,995	-12.6%	Shares	Sole	2025-02-12
2024-09-30	$1,904,458,223	3,513,242	+0.1%	Shares	Sole	2024-11-12
2024-06-30	$1,509,903,983	3,511,078	+10.1%	Shares	Sole	2024-08-12
2024-03-31	$1,255,809,312	3,189,600	+0.5%	Shares	Sole	2024-05-13
2023-12-31	$1,207,666,285	3,174,477	+12.2%	Shares	Sole	2024-02-12
2023-09-30	$1,390,476,637	2,828,299	-6.9%	Shares	Sole	2023-11-09
2023-06-30	$1,184,149,006	3,038,383	+0.2%	Shares	Sole	2023-08-10
2023-03-31	$1,129,747,508	3,032,228	+15.9%	Shares	Sole	2023-05-11
2022-12-31	$990,797,664	2,615,415	-7.5%	Shares	Sole	2023-02-10
2022-09-30	$998,671,828	2,828,698	-6.9%	Shares	Sole	2022-11-10
2022-06-30	$1,151,005,235	3,037,915	-9.5%	Shares	Sole	2022-08-12
2022-03-31	$1,058,256,034	3,356,240	+5.5%	Shares	Sole	2022-05-13
2021-12-31	$1,113,837,076	3,180,665	+10.8%	Shares	Sole	2022-02-11
2021-09-30	$866,767,784	2,870,092	-2.8%	Shares	Sole	2021-11-12
2021-06-30	$888,819,757	2,952,203	+2.8%	Shares	Sole	2021-08-12
2021-03-31	$790,917,050	2,871,989	+23.2%	Shares	Sole	2021-05-11
2020-12-31	$685,671,129	2,331,501	+24.2%	Shares	Sole	2021-02-10
2020-09-30	$492,625,343	1,876,525	+11.6%	Shares	Sole	2020-11-12
2020-06-30	$378,633,477	1,681,097	+10.8%	Shares	Sole	2020-08-12
2020-03-31	$199,793,705	1,516,691	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.