ONTO
ONTO INNOVATION INC.
NYSE · Technology · Semiconductors · US
$198.68
+0.01%Price chart
Sep 24Sep 29Oct 2Oct 7Oct 12Oct 15Oct 20Oct 23
Key dataOct 23, 2026
Open$196.72
From 52W high−47.50%
Volume830307.00
Market cap$9.75B
P/E (TTM)74.1x
P/S (TTM)8.7x
Div yield—
Key dataOct 23, 2026
Open
$196.72
From 52W high
−47.50%
Volume
830307.00
Market cap
$9.75B
ValuationView details →
P/E (Fwd)
18.0x
EV/EBITDA
37.6x
P/E (TTM)
74.1x
RSI (14)
27.2
MomentumView details →
1D Return
+0.01%
YTD Return
+26.69%
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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ONTO INNOVATION INC. shares closed at $219.62, down 2.94% from the previous trading session.3d agoOnto Innovation announced that it will release its third-quarter 2026 financial results shortly after the market closes on November 9, 2026.4d agoONTO INNOVATION INC. shares fell 8.4% to close at $241.41.9d ago