Onsemi To Acquire Synaptics In $7 Bln All-Stock Deal
onsemi said it will acquire Synaptics in an all-stock deal valued at about $7 billion. Synaptics shareholders will receive 1.35 onsemi shares per share, a ~19% premium, and are expected to own ~12% of the combined company. onsemi expects accretion to non-GAAP EPS within 18 months, ~$200 million annual synergies, and gross margins in line with its model; closing is targeted for mid-2027.
How this was made

The 30-second read
Why it matters
The article provides deal economics (1.35 exchange ratio, ~19% premium, expected combined ownership), financial expectations (accretive within 18 months; ~$200M annual synergies), and margin guidance (gross margins consistent with long-term model), which are key for merger-arb and fundamental repricing.
Market read
This is a primary, time-sensitive M&A disclosure with explicit premium, exchange ratio, synergy and accretion targets, and a defined closing window subject to approvals.
What to watch
Regulatory clearance and shareholder approval are explicit closing conditions; any delay can widen deal spreads and increase downside for both sides.
Background
onsemi and Synaptics announced a unanimously approved all-stock acquisition valued at about $7B, with closing targeted for mid-2027.
Ticker impact
onsemi agreed to buy Synaptics in a ~$7B all-stock deal, adding AI/wireless/HMI tech to its power and sensing portfolio.
Near-term volatility likely around deal-spread dynamics and regulatory/shareholder-approval headlines; longer-term depends on integration and synergy realization.
The article discloses concrete transaction economics and expected financial impact, which typically drives immediate sentiment and spread trading for acquirers.
Synaptics will receive 1.35 shares of onsemi stock per share in the all-stock ~$7B acquisition, implying a ~19% premium.
SYNA likely trades with deal-spread behavior (premium capture vs. risk of delay/conditions) until regulatory and shareholder milestones.
A specific exchange ratio and premium are provided, which are primary determinants of merger-arb pricing and risk assessment.
Market effects
Signals continued consolidation in analog/power-sensing and connectivity, potentially reshaping competitive positioning in automotive/industrial/AI edge compute.
Primarily US semiconductor sentiment; could influence broader US tech M&A risk appetite and deal-spread pricing.
Cross-application (automotive, data center, robotics, AR/VR) may affect global supply-chain and customer integration expectations.
Counterpoint
All-stock structure can introduce valuation risk if onsemi’s equity underperforms before closing, compressing the effective premium for SYNA holders.
Key entities
- acquireronsemi
Agreed to acquire Synaptics in an all-stock transaction valued at about $7B.
- targetSynaptics
Will receive 1.35 shares of onsemi stock per share, implying an approximately 19% premium.