ARGX on Nasdaq

Argenx SE

Logo: Argenx SE, Public domain, via Wikimedia Commons4

Pharmaceutical company in Ghent, Belgium

Argenx SE is a Belgian-Dutch pharmaceutical company specializing in immunology. Argenx specializes in the development of antibody therapies for the treatment of autoimmune diseases and cancer.3 From Wikipedia, CC BY-SA 4.0

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Last updated Oct 16, 2026.

Overview

$1.3BNet income, fiscal 20255
Apr 25, 2008Founded1

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  • TickerARGX on Nasdaq1
  • Industrybiotechnology1
  • HeadquartersAmsterdam1
  • Websitewww.argenx.com
  • Incorporated inNetherlands6
  • Business addressIndustriepark Zwijnaarde 7, Building C B-9052, Zwijnaarde6
  • Filer categoryLarge accelerated filer6

Argenx SE is a Belgian-Dutch pharmaceutical company specializing in immunology. Argenx specializes in the development of antibody therapies for the treatment of autoimmune diseases and cancer. Its work primarily focuses on the development of orphan drugs.3

Financials

From the company’s reports to the SEC. Every number links to the filing it came from. Figures are in EUR, the currency the company reports in.

Key numbers, fiscal 2025

17.6%Return on equity5
679.0M EURFree cash flow5

Financial statements

Operating income789101151.1B EUR in 2025
-1.0B EUR-500.0M EUR0500.0M EUR1.0B EUR1.5B EUR2018: -81.8M EUR-81.8M EUR20182019: -198.9M EUR-198.9M EUR2019+143%2020: -477.6M EUR-477.6M EUR2020+140%2021: -348.7M EUR-348.7M EUR2021−27%2022: -720.3M EUR-720.3M EUR2022+107%2023: -425.0M EUR-425.0M EUR2023−41%2024: -21.7M EUR-21.7M EUR2024−95%2025: 1.1B EUR1.1B EUR2025
Net income129101151.3B EUR in 2025
-1.0B EUR01.0B EUR2.0B EUR2018: -66.6M EUR-66.6M EUR20182019: -163.0M EUR-163.0M EUR2019+145%2020: -608.5M EUR-608.5M EUR2020+273%2021: -408.3M EUR-408.3M EUR2021−33%2022: -709.6M EUR-709.6M EUR2022+74%2023: -295.1M EUR-295.1M EUR2023−58%2024: 833.0M EUR833.0M EUR20242025: 1.3B EUR1.3B EUR2025+55%

Every line of the income statement in the latest annual report, as filed.5

Period ending2025-12-312024-12-312023-12-31
Product net sales$4.2B$2.2B$1.2B
Other operating income$96.7M$66.2M$77.8M
Total operating income$4.2B$2.3B$1.3B
Cost of sales-$450.7M-$227.3M-$117.8M
Research and development expenses-$1.4B-$983.4M-$859.5M
Selling, general and administrative expenses-$1.4B-$1.1B-$711.9M
Loss from investment in a joint venture-$12.4M-$7.6M-$4.4M
Total operating expenses-$3.2B-$2.3B-$1.7B
Operating profit/(loss)$1.1B-$21.7M-$425.0M
Financial income$163.1M$157.5M$107.4M
Financial expense-$4.1M-$2.5M-$906.0K
Exchange gains/(losses)$65.8M-$48.2M$14.1M
Profit/(Loss) for the year before taxes$1.3B$85.2M-$304.5M
Income tax benefit$13.4M$747.9M$9.4M
Profit/(Loss) for the year$1.3B$833.0M-$295.1M
Owners of the parent$1.3B$833.0M-$295.1M
Weighted average number of shares used for basic profit/(loss) per share (in shares)61.3M shares59.9M shares57.2M shares
Basic profit/(loss) per share (in USD per share)$21.08$13.92-$5.16
Weighted average number of shares used for diluted profit/(loss) per share (in shares)66.0M shares65.2M shares57.2M shares
Diluted profit/(loss) per share (in USD per share)$19.57$12.78-$5.16

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How it started

History

In 2008, Argenx, based in Ghent, was founded by three scientists: Tim Van Hauwermeiren, a former executive at Ablynx, and two of his colleagues, Hans de Haard and Torsten Dreier. Their aim was to bring new drugs for the treatment of autoimmune diseases to the market. Through collaboration with researchers, including the scientist Sally Ward, they developed a new generation of medicines targeting Immunoglobulin G autoantibodies.

In order to finance research, development, applications for marketing authorization and the commercialization of its medicines, the company was listed in the United States on the Nasdaq and in Belgium on the Brussels Stock Exchange, where it was added to the BEL 20 in June 2018.

In 2021, the company received marketing authorization from the United States Food and Drug Administration for its first medicine, Vyvgart (active substance: efgartigimod alfa), for the treatment of myasthenia gravis.

In 2023, the company experienced two setbacks in attempts to broaden the indications for its flagship medicine Vyvgart: clinical studies for the treatment of immune thrombocytopenic purpura (ITP) and then pemphigus were inconclusive.

In April 2025, the US FDA approved a prefilled syringe version of the company's immune disorder drug Vyvgart.

From Wikipedia’s article on Argenx SE, shared under CC BY-SA 4.0.3

Former names

  • argenx N.VMar 1, 2017 to Apr 21, 20176

Timeline

  1. May 18, 2017Went public Listed on NASDAQ1
  2. Jul 10, 2014Went public Listed on Euronext Brussels1
  3. Apr 25, 2008Founded Founded1

Recent filings

  1. Oct 8, 20266-K
  2. Sep 29, 20266-K
  3. Aug 27, 2026SC TO-T/A
  4. Aug 27, 20266-K
  5. Aug 19, 2026SC TO-T/A
  6. Aug 17, 20266-K
  7. Aug 14, 2026SCHEDULE 13G/A
  8. Aug 6, 2026SC TO-T
  9. Aug 6, 2026SC TO-T/A
  10. Aug 3, 20266-K
  11. Jul 28, 2026SC TO-C
  12. Jul 27, 20266-K
  13. Jul 27, 2026SC TO-C
  14. Jul 23, 20266-K
  15. Jun 23, 20266-K

Every filing from the last three years, summarized. The full record is on SEC EDGAR.2