ON Semiconductor Corp

Day range

$71.76 – $73.28

Open

$72.56

Prev close

$73.23

Volume

7.96M

Market cap

$28.51B

Shares out

389.31M

P/E

45.24

P/S

4.60

P/B

3.95

P/FCF

19.00

ROE

8.7%

ROA

4.7%

Debt/Equity

0.62

Div yield

0.00%

As of Oct 22, 2026

• Deal agreementsOct 1, 2026

  As previously announced, on June 25, 2026, ON Semiconductor Corporation ("onsemi"), ... and Synaptics Incorporated ... entered into an Agreement and Plan of Reorganization, providing for the acquisition of Synaptics by onsemi. On October 1, 2026, onsemi, Synaptics and Merger Sub entered into an Amended and Restated Agreement and Plan of Merger.

• Business developmentsAug 13, 2026

  The parties' HSR notifications were filed on July 17, 2026. On August 12, 2026, the Federal Trade Commission (the 'FTC') granted early termination of the waiting period under the HSR Act with respect to the Merger.

• Deal agreementsJun 25, 2026

  On June 25, 2026, ON Semiconductor Corporation ('onsemi') entered into an Agreement and Plan of Reorganization (the 'Merger Agreement'), by and among onsemi, a Delaware corporation, Sonic Acquisition Corp., a Delaware corporation and a wholly owned subsidiary of onsemi ('Merger Sub'), and Synaptics Incorporated, a Delaware corporation ('Synaptics'). Pursuant to the Merger Agreement, and subject to the satisfaction or waiver of the conditions specified therein, Merger Sub will merge with and into Synaptics (the 'Merger'), with Synaptics surviving the Merger as a wholly owned subsidiary of onsemi.

• Shareholder activismMay 18, 2026

  The Company's stockholders approved the stockholder proposal regarding simple majority voting, with 333,533,083 votes for, 3,866,836 votes against, and 3,308,903 abstentions.

• Debt activityMay 12, 2026

  ON Semiconductor Corporation completed its previously announced private unregistered offering of $1.5 billion aggregate principal amount of its 0% Convertible Senior Notes due 2031. The Notes will mature on May 1, 2031, unless earlier repurchased or redeemed by the Company or converted pursuant to their terms. The Notes will not bear regular interest, and the principal amount of the Notes will not accrete.

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• LSCCLattice Semiconductor Corp-0.22%
• MPWRMonolithic Power Systems, Inc.-2.38%

Days to cover

2.4

Short interest

30M

Avg volume

12.27M

As of Sep 30, 2026 · reported to FINRA twice monthly.

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