Ansys Acquires Zemax

Ansys Acquires Phoenix Integration, Inc.

November 5, 2021

Software

Ansys acquired Phoenix Integration, Inc., the developer of the ModelCenter platform for model-based engineering and model-based systems engineering (MBSE), to expand its process-integration and MBSE capabilities. The acquisition, announced May 17, 2021, will broaden Ansys' solution offering by enabling multi-tool workflows and tighter integration between engineering analysis and systems models; financial terms were not disclosed.

Synopsys Acquires Ansys

January 16, 2024

Software

Synopsys has acquired Ansys in a cash-and-stock transaction valued at about $35 billion, combining Synopsys' electronic design automation (EDA) and IP capabilities with Ansys' simulation and analysis portfolio to create an integrated "silicon-to-systems" engineering leader. The deal, announced January 16, 2024 and completed July 17, 2025, positions the combined company to deliver integrated multiphysics and EDA solutions across semiconductors, automotive, aerospace and other industries.

Keysight Acquires Synopsys' Optical Solutions Group and Ansys' PowerArtist

October 17, 2025

Software

Keysight Technologies completed the acquisition of the Optical Solutions Group from Synopsys and the PowerArtist product from Ansys. The deals expand Keysight's design engineering software and system-level simulation capabilities—adding optical/photonic design tools and RTL power-analysis capabilities to its portfolio.

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.

Ansys Acquires OnScale to Expand Cloud Simulation Portfolio

April 13, 2022

Cloud & SaaS

Ansys has signed a definitive agreement to acquire cloud simulation provider OnScale to extend its cloud-native portfolio with OnScale’s web-based user interface and cloud simulation framework. The acquisition will integrate OnScale’s technology into Ansys’ existing cloud offerings to provide device-independent, web-based access to Ansys simulation capabilities; terms were not disclosed.

SimuTech Group Acquires Ozen Engineering (Merger)

September 19, 2025

Engineering Services

SimuTech Group and Silicon Valley-based Ozen Engineering announced a merger that will unite their Ansys channel partner businesses under the SimuTech Group name. The combination expands SimuTech's North American footprint and technical capability in engineering simulation, consulting, training, and support.