onsemi Lifts Synaptics Merger Deal to $123 a Share, All Cash
onsemi (ON) revised its acquisition of Synaptics (SYNA) to a $123 per share cash deal, valued at $5.7bn, replacing the original all-stock agreement. Both companies' boards approved the change, citing immediate earnings accretion. Synaptics shares rose 13.74% and onsemi gained 4.45% on the news. Synaptics has reported net losses in recent quarters but growing revenue. The deal requires shareholder approval and has US antitrust clearance.
How this was made

The 30-second read
Why it matters
The cash structure removes dilution risk and provides immediate EPS accretion, likely sustaining the rally in both stocks.
Market read
The revised cash deal is a material M&A event with double‑digit price moves and a $5.7 bn valuation, offering clear trading opportunities.
What to watch
Potential integration costs for onsemi and the impact of the rival bid on future valuation multiples.
Background
onsemi revised its June 25 merger with Synaptics from an all‑stock to an all‑cash transaction after a rival bid, securing antitrust clearance and prompting strong price moves.
Ticker impact
onsemi announced a revised all‑cash $123‑per‑share offer for Synaptics, triggering a 4.45% rise in onsemi shares.
upward pressure as investors price in the accretive cash acquisition
Deal reduces dilution, has antitrust clearance, and the market already reacted positively.
Synaptics received a $123‑per‑share cash offer, causing its shares to jump 13.74% intraday and close up 19.49% over 20 days.
continued upside pressure until the deal closes
Premium cash offer and strong short‑interest stability signal a genuine rally rather than a squeeze.
Market effects
The semiconductor M&A landscape may see increased cash‑deal activity as investors favor accretive structures.
U.S. semiconductor stocks could see broader support from the positive deal sentiment.
The deal underscores consolidation trends in the global chip industry.
Counterpoint
If antitrust or shareholder approval stalls, the premium could evaporate, pressuring both stocks.
Key entities
- Companyonsemi
U.S. semiconductor manufacturer (NASDAQ: ON) acquiring Synaptics.
- CompanySynaptics
Touch‑interface technology firm (NASDAQ: SYNA) being acquired.



