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Compare · KLAC vs ONTO

KLAC vs ONTO

Side-by-side comparison of KLA Corporation (KLAC) and Onto Innovation Inc. (ONTO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • KLAC operates in Technology, while ONTO operates in Industrials - the two are in different parts of the market.
  • KLAC is the larger of the two at $339.06B, about 20.4x ONTO ($16.60B).
  • Over the past year, KLAC is up 202.6% and ONTO is up 255.8% - ONTO leads by 53.2 points.
  • KLAC has been more active in the news (3 items in the past 4 weeks vs 2 for ONTO).
  • KLAC has more recent analyst coverage (25 ratings vs 20 for ONTO).
PerformanceKLAC+202.62%ONTO+255.79%
2025-06-23+0.00%2026-06-18
MetricKLACONTO
Company
KLA Corporation
Onto Innovation Inc.
Price
$260.81+9.22%
$333.52+4.55%
Market cap
$339.06B
$16.60B
1M return
+48.77%
+34.42%
1Y return
+202.62%
+255.79%
Industry
Electronic Components
Industrial Machinery/Components
Exchange
NASDAQ
NYSE
IPO
1980
News (4w)
3
2
Recent ratings
25
20
KLAC

KLA Corporation

KLA Corporation designs, manufactures, and markets process control and yield management solutions for the semiconductor and related nanoelectronics industries worldwide. The company offers chip and wafer manufacturing products, including defect inspection and review systems, metrology solutions, in situ process monitoring products, computational lithography software, and data analytics systems for chip manufacturers to manage yield throughout the semiconductor fabrication process. It also provides reticle manufacturing products, such as reticle inspection, metrology, and data analytics systems for mask shops; and packaging manufacturing products comprising wafer inspection and metrology, die sorting and inspection, IC component inspection and metrology, data analytics, wafer processing systems, and IC substrate production processes. In addition, the company offers compound semiconductor, power device, light emitting diode, and microelectromechanical system manufacturing products; data storage media/head manufacturing products; general purpose/lab applications; and previous-generation KLA systems. Further, it provides wafer processing solutions; printed circuit boards, and display and inspection components; and other services. The company was formerly known as KLA-Tencor Corporation and changed its name to KLA Corporation in July 2019. KLA Corporation was incorporated in 1975 and is headquartered in Milpitas, California.

ONTO

Onto Innovation Inc.

Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs macro defect inspection and metrology, lithography systems, and process control analytical software worldwide. It offers process and yield management solutions, and device packaging and test facilities through standalone systems for macro-defect inspection, packaging lithography, probe card test and analysis, and transparent and opaque thin film measurements; and process control software portfolio that includes solutions for standalone tools, groups of tools, or factory-wide suites. The company also provides spare parts and software licensing services. Its products are used by semiconductor wafer and advanced packaging device manufacturers; silicon wafer; light emitting diode; vertical-cavity surface-emitting laser; micro-electromechanical system; CMOS image sensor; power device; RF filter; data storage; and various industrial and scientific applications. The company was formerly known as Rudolph Technologies, Inc. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.

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