# Siemens acquires Altair Engineering: acquisition

Canonical ID: `81332f80-d827-4f45-aed1-29d7a27e655d`

Siemens acquired Altair Engineering for ~$10.6 billion equity value (announced Oct 30, 2024; completed March 26, 2025), a leader in industrial simulation, HPC, and data-analytics software, expanding Siemens' AI-powered industrial-software portfolio.

- **Structure:** full acquisition
- **Status:** completed
- **Valuation:** $10.6B (reported, approximate)
- **Verification posture:** verified

## Parties

- **Acquirer:** [Siemens](https://registry.deploy.report/companies/siemens.md)
- **Acquired:** [Altair Engineering](https://registry.deploy.report/companies/altair-engineering.md)

## Timeline

- **Announced:** 2024-10-30
- **Closed:** 2025-03-26

## Sources (1)

1. https://news.siemens.com/en-us/siemens-altair-engineering-closing/


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