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Onsemi to buy Synaptics in $7 billion all-stock deal

By Thomson Reuters Jun 25, 2026 | 3:28 PM

By Milana Vinn and Jaspreet Singh

June 25 (Reuters) – ON Semiconductor Corp  said on Thursday it had agreed to acquire Synaptics in an all-stock ​deal valued at about $7 billion,  its largest ‌acquisition to date, as the chipmaker seeks to expand its presence in AI-enabled devices and so-called physical AI.

Under the terms of the agreement, Synaptics shareholders will receive 1.350 shares of ‌Onsemi ​common stock for each Synaptics ⁠share. The exchange ratio ⁠represents a 19% premium based on the 10-day volume-weighted average closing prices of the two companies’ stocks.

The acquisition is aimed at accelerating growth in so-called ​physical AI, which refers to AI embedded in devices and machines. Synaptics’ connected-computing platform complements Onsemi’s ⁠strengths in automotive, power and ⁠industrial markets, Onsemi CEO Hassane El-Khoury told ​Reuters in an interview.

“What Synaptics brings to us is ​this acceleration with a world-class connected compute platform ‌that is already in the markets [that we play in],” El-Khoury said.

“That combination is going to create a market leader in what is to be known as ⁠the physical AI realm,” he said.

Onsemi expects the deal to help increase the size of the markets it can target ⁠by $30 billion, to $243 ‌billion by 2030.

Shares of Onsemi fell ⁠nearly 10% in extended trading, while ​those ‌of Synaptics rose more than 10%.

The chipmaker ​also aims ⁠to capture growth from Synaptics’ human‑machine interface business and its broader technology and R&D in robotics and humanoid markets, El-Khoury said.

(Reporting by Milana Vinn in New York, Jaspreet Singh in Bengaluru; Editing by Anil D’Silva ​and Sanjeev Miglani)