Argenx SE

ARGX

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001697862

SEC filings (opens in a new tab)

No open-market purchases or sales by Argenx SE insiders were filed in the last 90 days; 510 institutions reported holding it in 13F filings for Q2 2026, worth $26.1B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Argenx SE as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 3; +1 vs. Q2 2026
Shares held: 423; −2 (−0.5%) vs. Q2 2026
Total value: $405.9K; +$11.1K (+2.8%) vs. Q2 2026
New holders: 1; 0 more added
Sold out: 0; 1 more reduced

508 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding ARGX and their total value by quarter
Quarter	Holders	Value
Q2 2026	510	$26.1B
Q1 2026	478	$21.1B
Q4 2025	510	$25.0B
Q3 2025	470	$22.5B
Q2 2025	439	$17.7B
Q1 2025	448	$19.7B
Q4 2024	397	$21.0B
Q3 2024	358	$19.0B
Q2 2024	336	$14.7B
Q1 2024	328	$13.4B
Q4 2023	346	$12.5B
Q3 2023	341	$15.9B
Q2 2023	290	$12.0B
Q1 2023	272	$11.6B
Q4 2022	271	$11.6B
Q3 2022	255	$11.2B
Q2 2022	232	$12.4B
Q1 2022	199	$10.2B
Q4 2021	208	$10.1B
Q3 2021	182	$8.57B
Q2 2021	177	$8.57B
Q1 2021	191	$7.84B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Argenx SE; share changes are against Q2 2026.

Institutions holding ARGX in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Commonwealth Equity Services, LLC	–	–	–	–	Not filed
O'Neil Global Advisors, Inc.	–	–	–	–	Not filed
Ellevest, Inc.	–	–	–	–	Not filed
Profund Advisors LLC	–	–	–	–	Not filed
GF Fund Management Co. Ltd.	–	–	–	–	Not filed
Moody Aldrich Partners LLC	–	–	–	–	Not filed
We Are One Seven, LLC	–	–	–	–	Not filed
GWM Advisors LLC	–	–	–	–	Not filed
First Commonwealth Financial Corp	–	–	–	–	Not filed
Group One Trading, L.P.	–	–	–	–	Not filed
Keudell/Morrison Wealth Management	–	–	–	–	Not filed
Trust Point Inc.	–	–	–	–	Not filed
Wexford Capital LP	–	–	–	–	Not filed
High Net Worth Advisory Group LLC	–	–	–	–	Not filed
SALT Holding Corp.	–	–	–	–	Not filed
OpenArc Corporate Advisory, LLC	–	–	–	–	Not filed
Abel Hall, LLC	–	–	–	–	Not filed
Oppenheimer & Co Inc	–	–	–	–	Not filed
Alta Wealth Advisors LLC	–	–	–	–	Not filed
Winton Group Ltd	–	–	–	–	Not filed
Pinnacle Associates Ltd	–	–	–	–	Not filed
CenterBook Partners LP	–	–	–	–	Not filed
Susquehanna International Group, LLP	–	–	–	–	Not filed
Oppenheimer Asset Management Inc.	–	–	–	–	Not filed
Merit Financial Group, LLC	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Wealth Enhancement Advisory Services, LLC	–	–	–	–	Not filed
United Capital Financial Advisers, LLC	–	–	–	–	Not filed
Sound View Wealth Advisors Group, LLC	–	–	–	–	Not filed
Acadian Asset Management LLC	–	–	–	–	Not filed
Yorktown Management & Research Co Inc	–	–	–	–	Not filed
HB Wealth Management, LLC	–	–	–	–	Not filed
Mount Yale Investment Advisors, LLC	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Roman Butler Fullerton & Co	–	–	–	–	Not filed
Prudential PLC	–	–	–	–	Not filed
PDS Planning, Inc	–	–	–	–	Not filed
LRT Capital Management, LLC	–	–	–	–	Not filed
Freestone Grove Partners LP	–	–	–	–	Not filed
Concurrent Investment Advisors, LLC	–	–	–	–	Not filed
West Family Investments, Inc.	–	–	–	–	Not filed
Dorsey & Whitney Trust CO LLC	–	–	–	–	Not filed
Lansforsakringar Fondforvaltning AB (publ)	–	–	–	–	Not filed
Kathmere Capital Management, LLC	–	–	–	–	Not filed
Keebeck Wealth Management, LLC	–	–	–	–	Not filed
Sowell Financial Services LLC	–	–	–	–	Not filed
Envestnet Portfolio Solutions, Inc.	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Boothbay Fund Management, LLC	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
Banque Transatlantique SA	–	–	–	–	Not filed
Stephens Inc	–	–	–	–	Not filed
MAI Capital Management	–	–	–	–	Not filed
Fisher Asset Management, LLC	–	–	–	–	Not filed
Custom Index Systems, LLC	–	–	–	–	Not filed
Gallacher Capital Management LLC	–	–	–	–	Not filed
Bridgewater Advisors Inc.	–	–	–	–	Not filed
IFP Advisors, Inc	–	–	–	–	Not filed
Rafferty Asset Management, LLC	–	–	–	–	Not filed
Pennington Partners & Co., LLC	–	–	–	–	Not filed
Xponance, Inc.	–	–	–	–	Not filed
Camden Capital, LLC	–	–	–	–	Not filed
Argos Wealth Advisors, LLC	–	–	–	–	Not filed
LVW Advisors, LLC	–	–	–	–	Not filed
Optas, LLC	–	–	–	–	Not filed
Bryn Mawr Trust Co	–	–	–	–	Not filed
Coldstream Capital Management Inc	–	–	–	–	Not filed
Lido Advisors, LLC	–	–	–	–	Not filed
Gen-Wealth Partners Inc	–	–	–	–	Not filed
Aviso Financial Inc.	–	–	–	–	Not filed
Shelton Wealth Management, LLC	–	–	–	–	Not filed
Benjamin Edwards Inc	–	–	–	–	Not filed
Advisors Capital Management, LLC	–	–	–	–	Not filed
Bridgefront Capital, LLC	–	–	–	–	Not filed
Rehmann Capital Advisory Group	–	–	–	–	Not filed
Campbell & CO Investment Adviser LLC	–	–	–	–	Not filed
Voleon Capital Management LP	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Index Technologies Group LLC	–	–	–	–	Not filed
Antipodes Partners Ltd	–	–	–	–	Not filed
Cromwell Holdings LLC	–	–	–	–	Not filed
Knights of Columbus Asset Advisors LLC	–	–	–	–	Not filed
Optiver Holding B.V.	–	–	–	–	Not filed
Transamerica Financial Advisors, Inc.	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
Financial Perspectives, Inc	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
Brown Brothers Harriman & Co	–	–	–	–	Not filed
Financial Consulate, Inc	–	–	–	–	Not filed
Trust Co of Vermont	–	–	–	–	Not filed
WPG Advisers, LLC	–	–	–	–	Not filed
Cullen/Frost Bankers, Inc.	–	–	–	–	Not filed
Rossby Financial, LCC	–	–	–	–	Not filed
Strategic Wealth Partners, Ltd.	–	–	–	–	Not filed
Clearstead Advisors, LLC	–	–	–	–	Not filed
Axiom Investment Management LLC	–	–	–	–	Not filed
Mather Group, LLC.	–	–	–	–	Not filed
Basecamp Wealth Advisors LLC	–	–	–	–	Not filed