argenx Ownership

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

Recent Insider Transactions

DB:1AE Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 May 25	Buy€4,618	Timothy Van Hauwermeiren	Individual	9.64	€479.00
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: 1AE insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 1AE?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	817	0.00134%
Individual Insiders	53,711	0.088%
General Public	11,555,544	18.9%
Institutions	49,449,491	81%

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

Top Shareholders

Top 25 shareholders own 60.89% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.1%	FMR LLC	6,188,750	€3.1b	9.05%	0.2%
8.98%	T. Rowe Price Group, Inc.	5,484,619	€2.8b	-8.96%	0.28%
6.05%	BlackRock, Inc.	3,695,612	€1.9b	-22.3%	0.03%
4.92%	Artisan Partners Limited Partnership	3,001,183	€1.5b	-50.7%	0.93%
3.55%	Wellington Management Group LLP	2,166,132	€1.1b	-0.15%	0.2%
3.53%	Janus Henderson Group plc	2,153,965	€1.1b	-7.29%	0.49%
3.17%	Capital Research and Management Company	1,937,992	€982.6m	8.45%	0.05%
3.13%	Norges Bank Investment Management	1,909,157	€967.9m	14.3%	0.08%
2.93%	The Vanguard Group, Inc.	1,789,762	€907.4m	0%	0.01%
2.02%	Avoro Capital Advisors LLC	1,235,177	€626.2m	-0.27%	11.19%
1.2%	Federated Hermes, Inc.	730,045	€370.1m	-25.9%	0.92%
1.13%	ClearBridge Investments, LLC	687,516	€348.6m	5.29%	0.3%
1.1%	RTW Investments, LP	673,497	€341.5m	0%	5.78%
0.95%	Bellevue Asset Management AG	580,113	€294.1m	-2.41%	4.86%
0.92%	Jennison Associates LLC	558,910	€283.4m	-9.29%	0.18%
0.91%	Lord, Abbett & Co. LLC	555,967	€281.9m	35.9%	1.01%
0.9%	Citadel Advisors LLC	551,939	€279.8m	7.36%	0.31%
0.86%	Morgan Stanley, Investment Banking and Brokerage Investments	527,579	€267.5m	-9.76%	0.03%
0.76%	Geode Capital Management, LLC	465,479	€236.0m	1.01%	0.02%
0.7%	Polar Capital Holdings Plc	426,097	€216.0m	0%	0.83%
0.69%	UBS Asset Management AG	424,283	€215.1m	24%	0.02%
0.6%	Invesco Ltd.	367,949	€186.6m	-5.58%	0.05%
0.59%	OrbiMed Advisors LLC	362,744	€183.9m	4.92%	3.31%
0.59%	SEI Investments Company	361,000	€183.0m	-1.53%	0.25%
0.56%	Franklin Resources, Inc.	342,397	€173.6m	0.21%	0.06%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/19 15:41
End of Day Share Price	2025/05/19 00:00
Earnings	2025/03/31
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 52 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