ONTO
ONTO INNOVATION INC.
NYSE · Technology · Semiconductors · US
$226.28
+2.53%Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open$232.16
From 52W high−40.21%
Volume795536.00
Market cap$11.10B
P/E (TTM)84.4x
P/S (TTM)9.9x
Div yield—
Key dataOct 19, 2026
Open
$232.16
From 52W high
−40.21%
Volume
795536.00
Market cap
$11.10B
ValuationView details →
P/E (Fwd)
20.5x
EV/EBITDA
43.1x
P/E (TTM)
84.4x
RSI (14)
33.6
MomentumView details →
1D Return
+2.53%
YTD Return
+45.75%
SummaryUpdated Jun 1, 2026
Onto Innovation Inc. (NASDAQ:ONTO) is a semiconductor process control equipment manufacturer founded in 1940 and headquartered in Wilmington, Massachusetts. The company was formerly known as Rudolph Technologies before becoming Onto Innovation following its October 2019 initial public offering. Onto Innovation specializes in designing, developing, manufacturing, and supporting advanced process control tools that perform macro defect inspection, optical metrology, lithography systems, and process control analytical software for the global semiconductor industry.
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