All Brands Owned by Siemens AG

What does Siemens AG own?
Siemens AG operates three industrial business segments: Digital Industries (factory automation and industrial software), Smart Infrastructure (building and grid technology), and Mobility (rail transportation). The company also holds approximately 75% of Siemens Healthineers AG, a separately listed medical technology company, and a minority stake of approximately 17% in Siemens Energy AG. In 2025, Siemens acquired Altair Engineering for approximately $10 billion, adding simulation and AI software capabilities to its Digital Industries segment.

Is Siemens AG publicly traded?
Yes, Siemens AG trades on the Frankfurt Stock Exchange under ticker symbol SIE. The company has no controlling shareholder, with ownership distributed among institutional investors including BlackRock, Vanguard Group, and Deutsche Bank, alongside individual shareholders. The Siemens family no longer holds a significant ownership stake.

What is Siemens' annual revenue?
Siemens reported FY2025 revenue of EUR 78.5 billion for the fiscal year ended September 30, 2025, up from EUR 75.9 billion in FY2024. Net profit was EUR 11.0 billion, up from EUR 9.0 billion in FY2024. The company employed approximately 285,000 people worldwide as of the end of FY2025.

Who is Siemens' CEO?
Roland Busch has served as President and CEO of Siemens AG since February 2021, succeeding Joe Kaeser. Busch has led the company's strategic focus on industrial software, AI, and the convergence of physical and digital industrial systems. Under his leadership, Siemens completed the acquisition of Altair Engineering for approximately $10 billion in 2025.

Who founded Siemens?
Siemens was founded on October 1, 1847, by Werner von Siemens and Johann Georg Halske in Berlin, Germany. Werner von Siemens was a Prussian military officer and inventor who pioneered electrical engineering and built the company into one of Germany's largest industrial enterprises. The company has operated for more than 175 years and relocated its headquarters from Berlin to Munich after World War II.

What is Siemens Healthineers?
Siemens Healthineers AG is a medical technology company that is majority-owned (approximately 75%) by Siemens AG but separately listed on the Frankfurt Stock Exchange under ticker SHL. It provides medical imaging systems (MRI, CT, X-ray), laboratory diagnostics, and advanced therapy equipment. Siemens Healthineers is one of the world's largest medical technology companies with approximately EUR 23.5 billion in FY2025 revenue.