KLA Corporation

KLA Corporation is an American semiconductor equipment company that supplies process control — the inspection, metrology and data-analytics systems that tell a chipmaker whether the wafer it just made is good — and reported $13.58 billion of revenue in the fiscal year ended June 2026, up 12%. It is the dominant player in its niche by a wide margin: management puts its process control share at roughly seven times its nearest competitor, a position it says it has widened by about 360 basis points since 2021.

This is a story about the quietest kind of monopoly meeting the loudest capital-expenditure cycle in the industry's history. The AI build-out is not primarily a KLA build-out — the money first goes to lithography, deposition and etch tools — but every incremental layer of complexity, every larger die, every stacked high-bandwidth memory part and every hybrid-bonded package makes it harder to know whether you built the chip right, and that is KLA's market. Fiscal 2026 revenue rose 12% while backlog went from $7.86 billion to $12.57 billion, and management has told investors the wafer-equipment market will grow mid-20s per cent in calendar 2026 and again in calendar 2027.

The file turns on two questions that pull in opposite directions. First, does process control intensity structurally rise — does KLA take a bigger slice of every equipment dollar — or has the company simply been riding a rising tide in a business that is cyclical by nature? Second, at roughly 52 times trailing earnings and 42 times EBITDA, how much of that structural claim is already in the price. The bull case needs both answers to be yes; the shares have already fallen about 37% from their June 2026 high, which suggests the market has started to argue with the second one.