Keysight Technologies to Acquire Synopsys Optical Solutions Group

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 Acquires Cliosoft

February 23, 2023

Software

Keysight Technologies has acquired Cliosoft to add the company's design data and IP management software to Keysight's electronic design automation (EDA) portfolio. The acquisition integrates Cliosoft's revision-control and PDM capabilities with Keysight's PathWave/ADS tools to strengthen design-to-test workflows and accelerate customer productivity across semiconductor, communications, automotive and aerospace markets.

Keysight Technologies Acquires ESI Group

January 10, 2024

Software

Keysight Technologies announced the successful result of its cash tender offer for ESI Group shares and will hold 98.2% of ESI's share capital following settlement. Keysight said it will request a squeeze-out of remaining shares at the same cash price (€155 per share); ESI is a France-based provider of predictive physics modeling and virtual prototyping software with ~1,000 employees and ~€130m in 2022 revenue.

Synopsys Acquires Ansys in $35 Billion Deal

January 16, 2024

Software

Synopsys entered into a definitive agreement to acquire Ansys, combining Synopsys’ semiconductor EDA capabilities with Ansys’ simulation and analysis portfolio. Under the terms, Ansys shareholders will receive $197 in cash and 0.3450 shares of Synopsys common stock per Ansys share, valuing the deal at about $35 billion.

Ansys Acquires Zemax

August 30, 2021

Software

Ansys announced a definitive agreement to acquire Zemax, a leader in optical imaging and photonics simulation software, from EQT Private Equity. The acquisition expands Ansys' optics and photonics simulation capabilities by adding Zemax's OpticStudio and related technologies; the deal was expected to close in Q4 2021 pending customary approvals.

Keysight Technologies Acquires SCALABLE Network Technologies

October 18, 2021

Cybersecurity

Keysight Technologies acquired SCALABLE Network Technologies, a Culver City–based provider of communications network simulation and modeling solutions, to augment its 5G and cybersecurity software portfolio. The deal (terms not disclosed) will integrate SCALABLE’s network digital-twin and cyber-assessment capabilities into Keysight’s offerings for commercial, government and defense customers.