Axcelis Technologies, Inc. Common StockACLS
Closing prices as of Oct 5, 2026Updated once daily after the US close — not a live quote.

$143.00

+22.63% past month

Notable price movement

  • Oct 5, 2026

    $142.31-3.69%

    The company fell 3.69% while the broad market, measured by the S&P 500 ETF (SPY), rose 0.67% . The decline was therefore not shared by the broad market .

  • Oct 2, 2026

    $147.77+8.09%

    The stock rose 8.09% while the broad market, measured by the S&P 500 ETF (SPY), rose 0.74% on the same session . The move was far larger than the broad-market gain and so was not shared by the market as a whole .

  • Oct 1, 2026

    $136.71+4.22%

    The stock rose 4.22%, while the S&P 500 ETF (SPY) moved only +0.18% in the same session . The move was therefore not shared by the broad market, which was near flat.

  • Sep 30, 2026

    $131.18+1.93%

  • Sep 29, 2026

    $128.69+3.77%

    The stock rose 3.77% while the broad market, measured by the S&P 500 ETF (SPY), moved -0.18% . The advance was therefore not shared by the broad market, which was near flat on the session .

  • Sep 28, 2026

    $124.01+0.73%

  • Sep 25, 2026

    $123.11+6.00%

    Shares rose 6.00% on the day, a move not shared by the broad market, which was roughly flat with the S&P 500 ETF up 0.54% .

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

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