KLA Corporation, together with its subsidiaries, designs, manufactures, and markets process control, process-enabling, and yield management solutions for the semiconductor and related electronics industries worldwide. The company operates through three segments: Semiconductor Process Control; Specialty Semiconductor Process; and PCB and Component Inspection. It offers inspection and review tools to identify, locate, characterize, review, and analyze defects on various surfaces of patterned and unpatterned wafers; metrology systems to measure pattern dimensions, film thickness, film stress, layer-to-layer alignment, pattern placement, surface topography, and electro-optical properties for wafers; chemical process control equipment; wired and wireless sensor wafers and reticles; wafer defect inspection, review, and metrology systems; reticle inspection and metrology systems; wafer inspection and metrology systems; and semiconductor software solutions that provide run-time process control, defect excursion identification, process corrections, and defect classification to accelerate yield learning rates and reduce production risk. The company also provides etch, plasma dicing, deposition, and other wafer processing technologies and solutions for the semiconductor and microelectronics industry. In addition, it offers direct imaging, inspection, optical shaping, inkjet and additive printing, and computer-aided manufacturing and engineering solutions for the PCB market and inspection and metrology systems for quality control and yield improvement in advanced and traditional semiconductor packaging markets. 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.
KLA Corporation (KLAC) reported trailing twelve months (TTM) revenue of $12.74B as of December 2025, which represents a 17.6% increase year-over-year. The company's operating margin has expanded to 41.3% from 40.4% a year ago. In terms of profitability, KLAC generated $4.56B in net income. Valuation-wise, the stock trades at a P/E ratio of 36.1x and a Price-to-Sales (P/S) ratio of 12.9x. The company generated $1.26B in free cash flow over the last twelve months, indicating its ability to reinvest in growth or return capital to shareholders. Data based on the most recent quarterly reports.
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