O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in ARGX — Argenx SE

CIK 1423442 Stamford, CT

Position in ARGX

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

Position Value

$3,691,413

-$235,823 QoQ

Shares Held

5,055

+8.2% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $95,217,469 across 37 Biotechnology names. ARGX ranks #7 (3.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	61,867	$27,626,090
2	REGN	Regeneron Pharmaceuticals, Inc.	13,256	$10,242,115
3	PBYI	Puma Biotechnology, Inc.	1,138,169	$7,272,899
4	JAZZ	Jazz Pharmaceuticals plc	34,435	$6,509,936
5	AUPH	Aurinia Pharmaceuticals Inc.	414,019	$6,135,761
6	EXEL	Exelixis, Inc.	129,866	$5,569,952
7	ARGX	Argenx SE This page	5,055	$3,691,413
8	RIGL	Rigel Pharmaceuticals Inc	125,662	$3,397,900

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,691,413	5,055	+8.2%	Shares	Sole	2026-05-13
2025-12-31	$3,927,236	4,670	+47.9%	Shares	Sole	2026-02-11
2025-09-30	$2,329,214	3,158	+14.7%	Shares	Sole	2025-11-13
2025-06-30	$1,518,059	2,754	-14.6%	Shares	Sole	2025-08-12
2025-03-31	$1,908,172	3,224	+2.7%	Shares	Sole	2025-05-13
2024-12-31	$1,929,870	3,138	+44.7%	Shares	Sole	2025-02-12
2024-09-30	$1,175,771	2,169	+55.8%	Shares	Sole	2024-11-12
2024-06-30	$598,615	1,392	-4.7%	Shares	Sole	2024-08-14
2024-03-31	$574,831	1,460	+32.8%	Shares	Sole	2024-05-13
2023-12-31	$418,092	1,099	-4.2%	Shares	Sole	2024-02-09
2023-09-30	$563,899	1,147	+22.5%	Shares	Sole	2023-11-13
2023-03-31	$348,734	936	-3.7%	Shares	Sole	2023-05-12
2022-12-31	$368,222	972	+1.8%	Shares	Sole	2023-02-10
2022-09-30	$337,162	955	—	Shares	Sole	2022-11-14
No filing history on record for this holder in this stock.