A warning from a rival equipment maker has put a spotlight on the gap between what ASML’s customers want to buy and what the Dutch company can physically ship.
Lam Research said on Thursday that its December-quarter revenue guidance would have come in higher were it not for short-term supply-chain snags, according to media reports. The disclosure rippled through the semiconductor equipment sector, with ASML and its peers coming under pressure. The takeaway for investors is blunt: demand is not the binding constraint — production is.
A capacity ceiling ASML Has Already Flagged
Lam’s comment is not an ASML forecast, and it does not change the Dutch group’s own numbers. What it does is echo a limitation ASML itself laid out roughly two weeks ago: its planned equipment supply will not fully cover customer requirements in 2027 and 2028.
That admission reframes the investment case. A bulging order book does not automatically convert into revenue on the schedule buyers would like. ASML is examining whether it can add capacity beyond the 30% increase for 2028 it had previously communicated — but examination is not commitment. The company has not presented any additional expansion as a decided step, and until it does, the shortfall stands.
The Numbers Behind the Bottleneck
The scale of the business is not in dispute. For the third quarter of 2026, ASML reported net sales of €11.7 billion and net profit of €5.0 billion, with media coverage highlighting the record top line and AI-driven customer demand.
Guidance for the current quarter points to revenue of €14.2 billion to €15.2 billion — a projection, not booked business. For the full year 2026, ASML lifted its sales forecast to €44 billion to €45 billion, with a gross margin of around 56%.
Those figures describe what has already been achieved. The capacity debate concerns something else entirely: how quickly the company can serve the demand still ahead of it.
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Two Risks, Not One
Investor scrutiny has widened beyond order intake. Reuters reported on 15 October that shareholders questioned the pace of any capacity build-out, alongside doubts about the returns on artificial intelligence investments and whether long-term expectations have run too hot.
That leaves ASML exposed on two fronts at once. It may fail to fill available demand quickly enough, and its customers’ ambitious spending plans may themselves prove too optimistic. Lam’s warning sharpens attention on the supply side without settling the question of whether demand is durable.
A Partnership, Not a Product Line
Complicating the picture is a wave of speculation about ASML’s product roadmap. Reuters reported on Thursday on remarks by Besi chief executive Richard Blickman regarding cooperation with ASML on chip-placement precision. Separately, ASML declined to confirm a SemiAnalysis report that it is developing its own hybrid-bonding tool.
The two threads should be kept apart. Collaboration on chip placement was described by Blickman; a competing in-house tool remains unconfirmed. Neither offers a verified new revenue stream or an additional growth driver — which is why the confirmed financials, not the rumour mill, remain the sturdier basis for expectations.
Policy Adds Another Variable
Trade politics continues to hang over the outlook. Chief financial officer Roger Dassen spoke out on 14 October against proposed US restrictions on DUV lithography sales to China under the MATCH Act, arguing the curbs could speed up Beijing’s development of rival technology.
Strip it all back, and ASML’s growth story rests on strong demand and a raised forecast. Whether that translates into the revenue investors expect depends on machines that can actually be delivered — and on the political conditions governing where they can be sold.
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