Onsemi will acquire Synaptics in an all-stock deal valued at $7 billion, issuing 1.35 shares per Synaptics share—a 19% premium that grants former investors about 12% of the combined company. The transaction, expected to close mid-2027, expands total addressable market by $30 billion to $243 billion by 2030 and should be accretive within 18 months.
Onsemi will acquire Synaptics in an all-stock transaction valued at $7 billion, issuing 1.35 Onsemi shares per Synaptics share, representing a 19% premium. Synaptics shareholders will own approximately 12% of the combined company on a fully diluted basis.
The acquisition adds Synaptics’ edge AI processors, wireless connectivity and human-machine interface technologies to Onsemi’s power management and sensing portfolio, targeting applications such as autonomous vehicles, robotics and augmented/virtual reality. The combined company’s total addressable market expands by $30 billion to $243 billion by 2030.
Onsemi forecasts $200 million in annual synergies and non-GAAP EPS accretion within 18 months of closing. Gross margins are expected to remain consistent with the company’s long-term model, and the deal is slated to close in mid-2027 pending regulatory and shareholder approvals.
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