ON Semiconductor Corporation Common StockON
Closing prices as of Oct 6, 2026Updated once daily after the US close — not a live quote.

$86.98

+15.02% past month

Notable price movement

  • Oct 6, 2026

    $86.31+0.44%

    ON rose 0.44%, a smaller gain than comparable semiconductor companies, which rose 1.95% on average . Four of the six rose and two fell, so the cohort was broadly higher and ON's move was in the same direction but smaller .

  • Oct 5, 2026

    $85.93+1.23%

    ON rose 1.23% while comparable semiconductor companies rose 1.58% on average . Five of the six rose and one fell, so ON moved in the same direction as the group .

  • Oct 2, 2026

    $84.89+6.01%

    24/7 Wall St reported that ON Semiconductor scrapped its stock deal for Synaptics and replaced it with a $5.7B cash bid . Comparable semiconductor companies rose 3.13% on average, with 5 of 6 higher . ON's 6.01% gain was larger than the cohort average. Volume was 2.0x its trailing 20-session average .

  • Oct 1, 2026

    $80.08+4.18%

    Globenewswire carried the announcement of a revised merger agreement between onsemi and Synaptics . Comparable semiconductor companies rose 1.76% on average, with 4 of 6 higher .

  • Sep 30, 2026

    $76.87+1.21%

    Comparable semiconductor companies fell 1.60% on average, with 3 of 6 lower . onsemi rose 1.21% against that, so the move was not shared by the group. Volume was 0.6x the trailing 20-session average, and the session traded between 75.36 and 77.20 .

  • Sep 29, 2026

    $75.95+0.40%

    ON rose 0.40% while comparable semiconductor companies rose 0.81% on average, with 4 of 6 rising . The move was in the same direction as the cohort but smaller.

  • Sep 28, 2026

    $75.65-2.01%

    The stock fell 2.01% while comparable Semiconductors & Related Devices companies fell 3.23% on average, with 5 of 6 falling . The decline came alongside a broad drop in the cohort and was smaller than the cohort's average.

Closing prices for ON. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

Recent news

Seeking Alpha1 day agoSemiconductors Winners And Losers At The Start Of Q4 202624/7 Wall St4 days agoOn Semiconductor Climbs 8%, Synaptics Surges 14% as $5.7B Cash Bid Replaces $7B Stock DealThe Motley Fool4 days agoAnalog Chips Are the Silent Winners of the AI Trade. These 3 Growth Stocks Are Capitalizing on the Opportunity.Globenewswire5 days agoonsemi and Synaptics Announce Revised Merger AgreementYahoo FinanceAug 12, 2026ON Semiconductor (ON) Q2 2026 Earnings Call TranscriptBenzingaAug 4, 2026ON Semi Says AI Demand Took Priority Over Automakers - ON Semiconductor (NASDAQ:ON)

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Prices and financial data are historical and provided for research only. Not investment advice.