Axcelis Technologies (NASDAQ: ACLS) is a semiconductor equipment company that designs, manufactures, and services ion implantation systems used in the fabrication of semiconductor chips. Revenue comes primarily from equipment sales to semiconductor chip manufacturers worldwide, supplemented by aftermarket lifecycle products and services including used tools, spare parts, equipment upgrades, maintenance services, and customer training. Ion implantation equipment accounted for 98.2% of revenue in FY2025, with the remaining 1.8% from aftermarket sales tied to legacy processing systems. The company sells its Purion family of ion implanters to integrated electronics manufacturers, foundries, and fabless chip designers globally. Axcelis traces its business origins to 1978, was incorporated in Delaware in 1995, and is headquartered in Beverly, Massachusetts. Customers span manufacturers building chips on silicon and silicon carbide wafers in 150mm, 200mm, and 300mm diameters.

Revenue model

Transactional equipment sales (98.2% of FY2025 revenue from ion implantation systems) plus aftermarket lifecycle revenue from spare parts, used tools, equipment upgrades, maintenance services, and customer training (1.8% of FY2025 revenue from legacy system aftermarket).

Products and services

Purion family of ion implantation systems; aftermarket products and services including used tools, spare parts, equipment upgrades, maintenance services, and customer training for legacy processing systems.

Customers and end markets

Semiconductor chip manufacturers worldwide, including integrated electronics manufacturers (making chips for their own devices), foundries (manufacturing chips for others), and fabless chip designers. End markets span devices built on silicon and silicon carbide wafers across 150mm, 200mm, and 300mm form factors.

Value-chain role

Semiconductor capital equipment supplier; provides ion implantation process tools used in wafer fabrication, sitting upstream of chip manufacturers in the semiconductor supply chain.

Geographic exposure

Global sales to semiconductor chip manufacturers worldwide; headquartered in Beverly, Massachusetts. Specific country or regional revenue breakdown not supported by filing excerpts provided.

Source: SEC 10-K, filed 2026-02-26

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