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ONTO
Onto Innovation Inc.Stock · Industrials
$338.10+$0.75 (+0.22%)as of market close, Aug 13, 2026
☾ After hours:$337.82+0.00%3:59 PM ET
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ONTO monthly returns

Onto Innovation Inc. has averaged 3.94% per month, positive in 64% of months. Month-by-month returns for Onto Innovation Inc. (ONTO) below, through August 13, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.

Average month
+3.9%
80 months
Best month
+46.5%
Jun 2026
Worst month
-31.7%
Jul 2026
Positive months
64%
of all months

Onto Innovation Inc. monthly returns#

Onto Innovation Inc. total return by month
MonthTotal return
Aug 2026
+30.8%
Jul 2026
-31.7%
Jun 2026
+46.5%
May 2026
-12.5%
Apr 2026
+43.9%
Mar 2026
-5.0%
Feb 2026
+6.8%
Jan 2026
+28.0%
Dec 2025
+10.3%
Nov 2025
+6.1%
Oct 2025
+4.4%
Sep 2025
+21.9%

Monthly total return (since Sep 2021)

-40%-20%+0%+20%+40%
20222023202420252026

Methodology#

Monthly returns are total returns (dividends reinvested), computed from ONTO's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ#

What is Onto Innovation Inc.'s average monthly return?
Onto Innovation Inc. (ONTO) has averaged about 3.94% per month, positive in roughly 64% of months. The best month was Jun 2026 (+46.5%) and the worst was Jul 2026 (-31.7%).