ASML's Installed Base Business Shines: Is the Rally Sustainable?

ASML, the Dutch semiconductor equipment giant, reported impressive growth in its Installed Base Management business, which includes service, upgrades, and software for its existing lithography machines. Sales in this segment surged 31.8% year-over-year, surpassing expectations and highlighting the recurring revenue potential of ASML's massive installed base of EUV and DUV systems.

Management didn't stop there—they projected over 30% growth in this business for 2026, signaling confidence in sustained demand for upgrades and services. This is particularly notable because it comes amid broader concerns about semiconductor cyclicality and potential slowdowns in capital expenditures.

The stock has responded positively, with ASML shares outperforming the broader industry with a 75.7% gain over the past year. This performance reflects investor recognition of ASML's unique monopoly-like position in EUV lithography, essential for producing the most advanced chips.

The growth in installed base revenue is driven by the expanding EUV installed base and increasing demand for software-led upgrades that enhance productivity and precision. As chipmakers push to improve yields and transition to next-generation nodes, ASML's service and upgrade offerings become even more critical.

This news comes as the semiconductor industry continues to invest heavily in AI infrastructure, driving demand for advanced chips and the equipment needed to make them. ASML's results suggest that even if new system sales fluctuate, the recurring revenue from its installed base provides a stabilizing and growing income stream.

The strength in ASML's installed base business is a big deal for investors because it demonstrates the company's ability to generate reliable, high-margin recurring revenue. Unlike one-time equipment sales, service and upgrade revenue is more predictable and less cyclical, providing a cushion during downturns.

Moreover, this growth underscores ASML's formidable competitive moat. With no real competitors in EUV lithography, ASML enjoys a virtual monopoly, and its installed base of thousands of machines worldwide creates a sticky ecosystem. Customers are locked in for years, if not decades, as upgrading and maintaining these complex systems requires ASML's expertise.

The 2026 projection of over 30% growth also signals that ASML's customers are planning significant capacity expansions and technology upgrades, likely driven by AI, high-performance computing, and advanced memory demands. This bodes well not just for ASML but for the entire semiconductor supply chain.

For ASML's stock, this news reinforces the bull case: a wide moat, strong pricing power, and a growing annuity-like revenue stream. It also suggests that ASML can weather potential cyclical downturns better than peers, making it a core holding for semiconductor investors.

However, investors should watch for any signs of a slowdown in chip demand or geopolitical tensions that could impact ASML's sales, particularly given its exposure to China. But for now, the installed base story is a powerful growth driver that supports a premium valuation.