ONTO Onto Innovation Inc.
NYSEActiveCommon stock
ONTO is the ticker symbol of Onto Innovation Inc., which is listed on NYSE.
ONTO at a glance
- Symbol
- ONTO
- Company / issuer
- Onto Innovation Inc.
- Security type
- Common stock
- Exchange
- NYSE
- Status
- Actively traded
- Seen in listing files
- Jan 2021 – present
- Sector
- Industrials
- Industry
- Industrial Machinery/Components
- Country
- United States
- Market cap
- $13.7 billion (Sep 2026)
Onto Innovation Inc. company profile
- Industry (SIC)
- Measuring & Controlling Devices, NEC
- Headquarters
- Wilmington, MA
- Incorporated in
- DE
- Fiscal year end
- December 26
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-02-24
- Latest interim report
- 10-Q filed 2026-08-06
- SEC CIK
- 704532
Former company names
- Nanometrics Inc (until 2019)
Source: SEC EDGAR filer data.
ONTO price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol ONTO?
ONTO is the ticker symbol of Onto Innovation Inc on NYSE.
Is ONTO still trading?
Yes. ONTO appears in the current NYSE listings as of Sep 2026.
Which exchange is ONTO listed on?
ONTO is listed on NYSE.