onsemi Amends Synaptics Acquisition to $5.7 Billion
onsemi amended its agreement to acquire Synaptics for $5.7 billion in cash, up from an all-stock deal. The new terms, priced at $123 per share, follow a competing bid and a decline in onsemi's stock. The company expects the deal to close by mid-2027, pending regulatory and shareholder approval. onsemi secured a $2.45 billion loan from Morgan Stanley to finance the acquisition.
How this was made

The 30-second read
Why it matters
The cash deal provides certainty for both parties, with immediate EPS accretion for ON and a premium cash exit for SYNA shareholders, while introducing new debt for ON.
Market read
The amendment is a material M&A event with a $5.7 billion cash consideration, likely moving both stocks sharply on the news.
What to watch
Regulatory clearance risk and integration challenges could delay or diminish the expected benefits.
Background
onsemi (NASDAQ:ON) and Synaptics (NASDAQ:SYNA) were previously in an all‑stock merger agreement; the amendment to cash follows a third‑party bid and a decline in ON's share price.
Ticker impact
onsemi amended its pending acquisition of Synaptics to an all‑cash $5.7 billion deal, citing lower cost and immediate EPS accretion.
likely modest upside as investors price in the accretive earnings effect, tempered by increased debt load
Accretive earnings guidance and certainty of cash terms are favorable, while new debt may limit upside.
Synaptics will be bought for $123 per share in cash, providing a premium to shareholders and a definitive exit.
strong upward pressure as the market prices in the cash premium
A cash offer at a premium typically triggers a rapid price jump for the target.
Market effects
Consolidation in the analog and sensor market may pressure peers, but also signals confidence in demand for such components.
U.S. semiconductor sector may see modest uplift from the deal's perceived strategic rationale.
The transaction underscores continued M&A activity in the global semiconductor supply chain.
Counterpoint
The added debt could strain onsemi's balance sheet, potentially outweighing short‑term earnings accretion.
Key entities
- Companyonsemi
U.S. semiconductor manufacturer acquiring Synaptics.
- CompanySynaptics
Analog and sensor technology provider being acquired.

