Siemens Digital Industries Software Acquires Canopus AI

Siemens Digital Industries Software Acquires Fractal Technologies

May 12, 2021

Software

Siemens Digital Industries Software acquired Fractal Technologies in May 2021 to add production signoff–quality IP validation capabilities to its Xcelerator portfolio and Solido product family. The acquisition expands Siemens' EDA IC verification offerings by integrating Fractal's IP validation technology to improve design quality and accelerate time-to-market for semiconductor customers.

Siemens Industry Software Acquires Altair Engineering

March 26, 2025

AI & Machine Learning

Siemens has signed an agreement to acquire Altair Engineering Inc. for $113 per share in cash, valuing the deal at about USD 10 billion. The transaction will combine Altair’s simulation, HPC, data science and AI capabilities with Siemens Xcelerator to create a more comprehensive AI-powered industrial software and digital twin portfolio.

Siemens Digital Industries Software Acquires DownStream Technologies

April 8, 2025

Software

Siemens Digital Industries Software (Siemens EDA) has completed the acquisition of DownStream Technologies, a Marlborough, Massachusetts-based provider of PCB manufacturing data preparation and documentation tools, including the CAM350 and BluePrint‑PCB suites. The deal (closed April 7, 2025) strengthens Siemens' PCB design-to-manufacturing workflow and expands its footprint in the electronics SMB market; terms were not disclosed.

Siemens Acquires Dotmatics for $5.1 Billion

July 1, 2025

Cloud & SaaS

Siemens has completed its acquisition of Dotmatics, a Life Sciences R&D software provider, for an enterprise value of $5.1 billion. The deal expands Siemens’ AI-powered Siemens Xcelerator portfolio with Dotmatics’ Scientific Intelligence Platform (Luma) to create an end-to-end digital thread from research to production in life sciences.

Siemens Digital Industries Software Acquires Avery Design Systems

November 2, 2022

Software

Siemens Digital Industries Software has signed an agreement to acquire Avery Design Systems, a simulation-independent verification IP supplier headquartered in Tewksbury, Massachusetts. The acquisition will add Avery's verification IP and compliance test-suite technology to Siemens' Xcelerator portfolio to strengthen Siemens' integrated circuit verification offerings.

Ansys Acquires Diakopto

May 16, 2023

Software

Ansys entered into a definitive agreement to acquire Diakopto, a provider of differentiated EDA solutions focused on interconnect parasitic analysis for integrated circuits. The acquisition is intended to expand Ansys' multiphysics simulation and signoff capabilities—helping IC designers detect parasitic-related issues earlier in the design flow—and was expected to close in Q2 2023 subject to customary conditions.