Synopsys Acquires Ansys in $35 Billion Deal

onsemi to Acquire Synaptics

June 25, 2026

Manufacturing

onsemi agreed to acquire Synaptics in a deal first announced as an all-stock transaction valued at approximately $7 billion; the companies amended the agreement on October 1, 2026, to an all-cash offer of $123 per share, valued at approximately $5.7 billion. The acquisition is intended to expand onsemi’s edge AI, connected compute, human-machine interface, sensing, and wireless connectivity capabilities, with closing expected by mid-2027 subject to shareholder and regulatory approvals.

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.

Keysight Technologies to Acquire Synopsys Optical Solutions Group

September 19, 2024

Cloud & SaaS

Keysight Technologies entered into a definitive agreement to acquire Synopsys’ Optical Solutions Group, a developer of optical design and analysis software tools. The deal expands Keysight’s design engineering software portfolio for optical systems design, analysis, simulation, and virtual prototyping, and is expected to close in the first half of 2025 subject to customary approvals and conditions, including regulatory review of Synopsys’ pending acquisition of Ansys.

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.

AMD Acquires Xilinx for $49 Billion

February 14, 2022

Manufacturing

AMD completed its $49 billion all-stock acquisition of Xilinx, combining AMD’s CPUs and GPUs with Xilinx’s industry-leading FPGAs, adaptive SoCs and software tools. Xilinx stockholders received 1.7234 shares of AMD common stock per Xilinx share; former Xilinx CEO Victor Peng joins AMD as president of the new Adaptive and Embedded Computing Group (AECG).

Ansys Acquires Analytical Graphics, Inc. for $700M

December 1, 2020

Aerospace & Defense

Ansys completed the acquisition of Analytical Graphics, Inc. (AGI) for $700 million. The deal brings AGI's mission-driven simulation, modeling and analysis software into Ansys' engineering-simulation portfolio to expand capabilities and accelerate adoption in aerospace, defense and adjacent commercial markets.