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
Braidwell LP	–	–	–	–	Not filed
HRT Financial LP	–	–	–	–	Not filed
Bank of New York Mellon Corp	–	–	–	–	Not filed
Assenagon Asset Management S.A.	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
FIL Ltd	–	–	–	–	Not filed
Mirova	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
HSBC Holdings PLC	–	–	–	–	Not filed
JPMorgan Chase & Co	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
Qube Research & Technologies Ltd	–	–	–	–	Not filed
Erste Asset Management GmbH	–	–	–	–	Not filed
DCF Advisers, LLC	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Allianz Asset Management GmbH	–	–	–	–	Not filed
Ilmarinen Mutual Pension Insurance Co	–	–	–	–	Not filed
Charles Schwab Investment Management Inc	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
Thrivent Financial for Lutherans	–	–	–	–	Not filed
Resolute Capital Asset Partners LLC	–	–	–	–	Not filed
AustralianSuper Pty Ltd	–	–	–	–	Not filed
Mirae Asset Global Investments Co., Ltd.	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
Schroder Investment Management Group	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Mackenzie Financial Corp	–	–	–	–	Not filed
Abn Amro Investment Solutions	–	–	–	–	Not filed
Crossmark Global Holdings, Inc.	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
EFG International AG	–	–	–	–	Not filed
CVFG LLC	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
LMR Partners LLP	–	–	–	–	Not filed
Citigroup Inc	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
Assetmark, Inc	–	–	–	–	Not filed
Aquatic Capital Management LLC	–	–	–	–	Not filed
Federation des caisses Desjardins du Quebec	–	–	–	–	Not filed
Navellier & Associates Inc	–	–	–	–	Not filed
Maryland State Retirement & Pension System	–	–	–	–	Not filed
MML Investors Services, LLC	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
O'Shaughnessy Asset Management, LLC	–	–	–	–	Not filed
Eagle Global Advisors LLC	–	–	–	–	Not filed
iA Global Asset Management Inc.	–	–	–	–	Not filed
State Street Corp	–	–	–	–	Not filed
Colony Group, LLC	–	–	–	–	Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	–	–	–	–	Not filed
QVT Financial LP	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
Hudson Bay Capital Management LP	–	–	–	–	Not filed
Varma Mutual Pension Insurance Co	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
Acuta Capital Partners, LLC	–	–	–	–	Not filed
Kennedy Capital Management, Inc.	–	–	–	–	Not filed
China Universal Asset Management Co., Ltd.	–	–	–	–	Not filed
HighVista Strategies LLC	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
PFM Health Sciences, LP	–	–	–	–	Not filed
Arrowpoint Investment Partners (Singapore) Pte. Ltd.	–	–	–	–	Not filed
Ethic Inc.	–	–	–	–	Not filed
Harvey Capital Management Inc	–	–	–	–	Not filed
M&T Bank Corp	–	–	–	–	Not filed
Nilsine Partners, LLC	–	–	–	–	Not filed
Hardman Johnston Global Advisors LLC	–	–	–	–	Not filed
JustInvest LLC	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
Old Mission Capital LLC	–	–	–	–	Not filed
Rhumbline Advisers	–	–	–	–	Not filed
Truist Financial Corp	–	–	–	–	Not filed
XTX Topco Ltd	–	–	–	–	Not filed
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	–	–	–	–	Not filed
Boston Common Asset Management, LLC	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
Mariner, LLC	–	–	–	–	Not filed
Financiere des Professionnels - Fonds d,investissement inc.	–	–	–	–	Not filed
Pathstone Holdings, LLC	–	–	–	–	Not filed
Cim, LLC	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Great Valley Advisor Group, Inc.	–	–	–	–	Not filed
Nicholas Investment Partners, LP	–	–	–	–	Not filed
Quadrant Capital Group LLC	–	–	–	–	Not filed
Cerity Partners LLC	–	–	–	–	Not filed
SWS Partners	–	–	–	–	Not filed
Sectoral Asset Management Inc	–	–	–	–	Not filed
Hantz Financial Services, Inc.	–	–	–	–	Not filed
Alyeska Investment Group, L.P.	–	–	–	–	Not filed
Nan Fung Group Holdings Ltd	–	–	–	–	Not filed
Principal Financial Group Inc	–	–	–	–	Not filed
WESPAC Advisors SoCal, LLC	–	–	–	–	Not filed
AWM Investment Company, Inc.	–	–	–	–	Not filed
Brinker Capital Investments, LLC	–	–	–	–	Not filed
Silvercrest Asset Management Group LLC	–	–	–	–	Not filed
Gilder Gagnon Howe & Co LLC	–	–	–	–	Not filed
Toroso Investments, LLC	–	–	–	–	Not filed
Laird Norton Trust Company, LLC	–	–	–	–	Not filed
CI Private Wealth, LLC	–	–	–	–	Not filed
Sanctuary Advisors, LLC	–	–	–	–	Not filed