• Sep 15, 2026

  $244.16-2.39%

  Onto Innovation shares fell 2.39%, a decline not shared by comparable measuring and controlling device companies, which moved up 1.40% on average that day [1]. Trading volume was 2.1x the trailing average, with shares ranging between 240.01 and 255.00 during the session [2].

  • 1Peer group
  • 2Market data

• Sep 14, 2026

  $250.13-11.07%

  Onto Innovation shares dropped 11.07%, a decline not reflected among comparable measuring and controlling device companies, which were roughly flat on average that day at +0.09% [1].

  • 1Peer group

• Sep 11, 2026

  $281.26+4.59%

  Shares rose 4.59% alongside gains among comparable measuring and controlling devices companies, which moved up 1.40% on average, with all three peers listed higher [1]. The company's advance outpaced that peer move [1].

  • 1Peer group

• Sep 10, 2026

  $268.92-3.41%

  Comparable measuring and controlling device companies fell 0.83% on average, with all three peers declining [1]. The stock's 3.41% drop was considerably larger than that peer move.

  • 1Peer group

• Sep 9, 2026

  $278.40-0.96%

  Onto Innovation shares fell 0.96%, a move roughly in line with comparable measuring and controlling device companies, which averaged a 0.87% decline that day [1].

  • 1Peer group

• Sep 8, 2026

  $281.11+4.89%

  Shares rose 4.89% even as comparable listed companies in the measuring and controlling devices group fell, down 1.33% on average with all three peers declining [1]. The move was not shared by that cohort [1].

  • 1Peer group

• Sep 4, 2026

  $268.01+6.16%

  The stock rose 6.16% on the day, a move not shared by comparable listed companies in its industry, which averaged -0.17% with two of three falling [1].

  • 1Peer group

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

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