ONTO
ONTO INNOVATION INC.
NYSE · Technology · Semiconductors · US
$281.11
+4.89%Price chart
Aug 7Aug 12Aug 17Aug 20Aug 25Aug 28Sep 2Sep 8
ValuationView details →
P/E (Fwd)
27.4x
EV/EBITDA
50.6x
Market Cap
$13.80B
MomentumView details →
1D Return
+4.89%
YTD Return
+77.45%
RSI (14)
48.6
ValuationView details →
P/E (Fwd)
27.4x
EV/EBITDA
50.6x
Market Cap
$13.80B
RSI (14)
48.6
MomentumView details →
1D Return
+4.89%
YTD Return
+77.45%
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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Levi & Korsinsky, LLP commenced an investigation into Onto Innovation Inc. concerning possible breaches of fiduciary duties by certain officers and directors.8d agoOnto Innovation Inc. signed a private placement of $1.5 billion aggregate principal amount of 0.00% convertible senior notes due 2031, convertible into its common stock, with an additional $200 million option, and concurrently repurchased 805,325 shares of its common stock for about $205 million.112d ago