argenx Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

WBAG:ARGX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
22 Jan 25	Sell€30,102	Timothy Van Hauwermeiren	Individual	48.24	€624.00
02 Jan 25	Sell€609	Timothy Van Hauwermeiren	Individual	4,824	€0.13
10 Dec 24	Sell€28,220	Timothy Van Hauwermeiren	Individual	48.24	€585.00
25 Sep 24	Sell€34,974	Timothy Van Hauwermeiren	Individual	72	€485.75
05 Aug 24	Sell€3,531,520	Peter K. Verhaeghe	Individual	8,000	€441.44
01 Aug 24	Sell€1,880,640	Pamela M. Klein	Individual	4,000	€470.16
01 Aug 24	Sell€3,440,376	Anthony Rosenberg	Individual	7,200	€477.83

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ARGX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	817	0.00134%
Individual Insiders	1,772	0.0029%
General Public	11,734,567	19.2%
Institutions	49,322,407	80.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 61.05% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.1%	FMR LLC	6,184,042	€3.3b	10.6%	0.23%
9.86%	T. Rowe Price Group, Inc.	6,022,043	€3.2b	-0.03%	0.34%
6.04%	BlackRock, Inc.	3,685,043	€2.0b	-22.5%	0.04%
4.94%	Artisan Partners Limited Partnership	3,015,243	€1.6b	-50.5%	1.44%
3.58%	Wellington Management Group LLP	2,184,055	€1.2b	0.8%	0.22%
3.13%	Norges Bank Investment Management	1,909,157	€1.0b	14.3%	0.09%
2.93%	The Vanguard Group, Inc.	1,789,762	€959.0m	0%	0.02%
2.93%	Capital Research and Management Company	1,786,936	€957.4m	5.1%	0.05%
2.92%	Janus Henderson Group plc	1,784,723	€956.3m	-23.2%	0.46%
2.03%	Avoro Capital Advisors LLC	1,238,467	€663.6m	0%	11.72%
1.3%	Federated Hermes, Inc.	791,361	€424.0m	-19.6%	1.21%
1.1%	RTW Investments, LP	673,497	€360.9m	2.91%	6.2%
1.07%	ClearBridge Investments, LLC	652,976	€349.9m	5.22%	0.32%
1%	Jennison Associates LLC	611,598	€327.7m	-0.74%	0.23%
0.97%	Bellevue Asset Management AG	594,423	€318.5m	-6.25%	5.19%
0.96%	Morgan Stanley, Investment Banking and Brokerage Investments	584,631	€313.2m	1.6%	0.04%
0.84%	Citadel Advisors LLC	514,105	€275.5m	-16.4%	0.32%
0.79%	Paradigm Biocapital Advisors LP	481,305	€257.9m	0.19%	11.86%
0.77%	Geode Capital Management, LLC	467,156	€250.3m	1.37%	0.02%
0.72%	Lord, Abbett & Co. LLC	438,674	€235.0m	7.26%	0.87%
0.7%	Polar Capital Holdings Plc	426,097	€228.3m	0%	0.98%
0.64%	Invesco Ltd.	389,592	€208.7m	-6.6%	0.07%
0.6%	SEI Investments Company	366,620	€196.4m	-3.7%	0.3%
0.57%	OrbiMed Advisors LLC	345,744	€185.2m	-4.1%	3.3%
0.56%	UBS Asset Management AG	342,044	€183.3m	8.98%	0.02%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/04/27 06:09
End of Day Share Price	2025/04/25 00:00
Earnings	2024/12/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

argenx SE is covered by 51 analysts. 27 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Joel Beatty	Baird
Charles Pitman	Barclays
Victor Floch	BNP Paribas Exane