Onto Innovation (ONTO, US) is a USA company in the Semiconductor Equipment segment of the AI compute value chain. As of October 04, 2026, its market cap is $16.1 billion ($16.1B), ranking #117 of 244 companies overall and #19 of 35 in the Semiconductor Equipment segment (0.6% of the segment, 0.06% of the chain). Over the past year the stock gained 134.4% (52-week range 121.34 – 378.45 USD).
| Company | Onto Innovation（Onto Innovation） |
|---|---|
| Ticker | ONTO · US |
| Segment | Semiconductor Equipment |
| Headquarters | USA |
| Market cap | $16.1B（$16.1 billion） |
| Close | 327.77 USD (October 04, 2026) |
| Today | +4.09% |
| 30 days | +9.68% |
| 1 year | +134.41% |
| 52-wk high / low | 378.45 / 121.34 USD |
| Share of segment | 0.6% (Semiconductor Equipment: 35 companies) |
| Share of chain | 0.06% (244 companies combined) |
| Segment leader | ASML Holding ($717.2B) |
| Revenue (TTM) | $1.1 billion |
|---|---|
| Net income (TTM) | $132.6 million |
| Employees | 1,615 |
| P/E ratio (TTM) | 122.4 |
| P/B ratio | 8.36 |
| Gross margin | 55.5% |
| Net margin | 11.8% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | ASML Holding ASML | US | $717.2B |
| 2 | Lam Research LRCX | US | $434.9B |
| 3 | Applied Materials AMAT | US | $428.6B |
| 4 | KLA Corporation KLAC | US | $270.0B |
| 5 | Tokyo Electron 8035.T | JP | $179.4B |
| 6 | Advantest 6857.T | JP | $179.2B |
| 7 | Teradyne TER | US | $70.2B |
| 8 | NAURA Technology 002371 | SZ | $66.6B |
| 9 | ASM International ASMIY | US | $52.1B |
| 19 | Onto Innovation ONTO | US | $16.1B |
| 10 | AMEC 688012 | SH | $45.4B |