onsemi to acquire Synaptics in all-stock deal valued at about $7 billion
onsemi agreed on June 25, 2026 to acquire Synaptics in an all-stock transaction with a total enterprise value of about $7 billion, using a fixed exchange ratio of 1.350 onsemi shares for each Synaptics share. Synaptics stockholders would own about 12% of the combined company, so onsemi holders would be diluted, while onsemi expects the deal to be accretive to non-GAAP EPS within 18 months of closing. Closing is expected in mid-2027, subject to a Synaptics stockholder vote and regulatory approvals, and both companies reiterated their prior financial outlooks.
Key points
- Fixed exchange ratio of 1.350 onsemi shares per Synaptics share; Synaptics holders to own about 12% of the combined company on a pro forma basis.
- Total enterprise value of about $7 billion, an approximately 19% premium to the 10-trading-day volume weighted average closing prices.
- onsemi expects $200 million in annual synergies and non-GAAP EPS accretion within 18 months of closing.
- Closing expected in mid-2027; the merger agreement can be terminated if not completed by June 25, 2027, subject to extensions.
The filing
Written by AI on Nov 8, 2026, 1:10 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 25, 2026.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.