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Siemens acquires Altair Engineering

April 7, 2025
The USD $10 billion acquisition will add new mechanical and electromagnetic simulation and other software access to Siemens’ portfolio

Siemens completed the acquisition of Altair Engineering, a software provider, for USD $10 billion. With this acquisition, Siemens adds new capabilities in mechanical and electromagnetic simulation, high-performance computing (HPC), data science and artificial intelligence (AI). The addition of the Altair team and technology will further enhance Siemen’s digital twin, making simulation more accessible and faster.

“We welcome the Altair community of customers, partners and colleagues to Siemens. Adding Altair’s groundbreaking innovations to the Siemens Xcelerator platform will create the world's most complete AI-powered design, engineering and simulation portfolio. Together, we will help our customers to innovate at the scale and speed that today's complexity-driven world demands,” said Roland Busch, president and CEO of Siemens AG. “Through the ONE Tech Company program, we will extend our leadership in industrial software. This enables all industries to benefit from the revolution driven by data and AI.”

Altair’s capabilities in the areas of simulation, HPC, data science and AI will give Siemens better access to new simulation expertise to optimize high-performance computing processes, create new AI tools and perform data analytics.

With the completion of the acquisition of Altair as well as the recent expansions of Siemens’ factories in California and Texas, Siemens has now invested over USD 100 billion into the United States in the past 20 years.

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