What are the key takeaways from this Business Breakdowns episode?

Key insights include: **Monopoly through incremental design:** ASML's modular machine architecture—where individual components are upgraded independently rather than redesigning entire systems—allows continuous derisked innovation. Investors should monitor component-level milestones (mirror development, light source power output) rather than waiting for binary product announcements, as progress is gradual and measurable across parallel development tracks.; **Pricing discipline as competitive moat:** Despite holding 100% EUV market share, ASML deliberately targets a 50/50 profit-improvement split with customers like TSMC, Samsung, and Intel. This restraint prevents customers from funding alternative technologies. Businesses with monopoly pricing power should calculate the incentive threshold at which customers seek substitutes before extracting maximum margin.; **Supply chain as both moat and vulnerability:** Roughly 80% of ASML's cost of goods sold comes from external suppliers. When suppliers cannot keep pace—as with light source maker Cymer and lens maker Zeiss—ASML acquires stakes or full ownership. Investors should track whether key single-source suppliers in any capital equipment business can sustain the required R&D investment independently.

What did Tom Walsh discuss on Business Breakdowns?

Tom Walsh from Baillie Gifford breaks down ASML, the Dutch semiconductor equipment maker that holds 100% market share in extreme ultraviolet lithography machines. The episode traces ASML's origin as a failed Philips subsidiary in 1984 to becoming the sole supplier of technology enabling Moore's Law and AI chip manufacturing. Key topics include: **Monopoly through incremental design:** ASML's modular machine architecture—where individual components are upgraded independently rather than redesigning entire systems—allows continuous derisked innovation. Investors should monitor component-level milestones (mirror development, light source power output) rather than waiting for binary product announcements, as progress is gradual and measurable across parallel development tracks.; **Pricing discipline as competitive moat:** Despite holding 100% EUV market share, ASML deliberately targets a 50/50 profit-improvement split with customers like TSMC, Samsung, and Intel. This restraint prevents customers from funding alternative technologies. Businesses with monopoly pricing power should calculate the incentive threshold at which customers seek substitutes before extracting maximum margin..

How long is this episode of Business Breakdowns?

This episode is 52 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

Business Breakdowns

ASML: Competing with Moore’s Law - [Business Breakdowns, REPLAY]

March 6, 2026

52 min episode · 2 min read

Tom Walsh

Episode

52 min

Read time

2 min

Topics

Productivity, Investing, Fundraising & VC

AI-Generated Summary

Published Mar 6, 2026

Key Takeaways

✓Monopoly through incremental design: ASML's modular machine architecture—where individual components are upgraded independently rather than redesigning entire systems—allows continuous derisked innovation. Investors should monitor component-level milestones (mirror development, light source power output) rather than waiting for binary product announcements, as progress is gradual and measurable across parallel development tracks.
✓Pricing discipline as competitive moat: Despite holding 100% EUV market share, ASML deliberately targets a 50/50 profit-improvement split with customers like TSMC, Samsung, and Intel. This restraint prevents customers from funding alternative technologies. Businesses with monopoly pricing power should calculate the incentive threshold at which customers seek substitutes before extracting maximum margin.
✓Supply chain as both moat and vulnerability: Roughly 80% of ASML's cost of goods sold comes from external suppliers. When suppliers cannot keep pace—as with light source maker Cymer and lens maker Zeiss—ASML acquires stakes or full ownership. Investors should track whether key single-source suppliers in any capital equipment business can sustain the required R&D investment independently.
✓Cyclicality reduction through irreplaceability: ASML sold 345 machines in 2022 at over €150 million each, generating €21 billion in revenue with 50%+ gross margins, up from 30% a decade prior. Customers who cancel orders lose queue position with no alternative supplier, structurally dampening the severe revenue cycles that historically plagued the semiconductor equipment industry.
✓Geopolitical concentration risk is quantifiable: In 2022, approximately 40% of ASML sales went to Taiwan, 30% to South Korea, and a material portion to China. Investors in semiconductor equipment should map customer revenue by geopolitical region and stress-test scenarios where export restrictions or regional conflict disrupts delivery to any single geography exceeding 30% of revenue.

What It Covers

Tom Walsh from Baillie Gifford breaks down ASML, the Dutch semiconductor equipment maker that holds 100% market share in extreme ultraviolet lithography machines. The episode traces ASML's origin as a failed Philips subsidiary in 1984 to becoming the sole supplier of technology enabling Moore's Law and AI chip manufacturing.

Key Questions Answered

•Monopoly through incremental design: ASML's modular machine architecture—where individual components are upgraded independently rather than redesigning entire systems—allows continuous derisked innovation. Investors should monitor component-level milestones (mirror development, light source power output) rather than waiting for binary product announcements, as progress is gradual and measurable across parallel development tracks.
•Pricing discipline as competitive moat: Despite holding 100% EUV market share, ASML deliberately targets a 50/50 profit-improvement split with customers like TSMC, Samsung, and Intel. This restraint prevents customers from funding alternative technologies. Businesses with monopoly pricing power should calculate the incentive threshold at which customers seek substitutes before extracting maximum margin.
•Supply chain as both moat and vulnerability: Roughly 80% of ASML's cost of goods sold comes from external suppliers. When suppliers cannot keep pace—as with light source maker Cymer and lens maker Zeiss—ASML acquires stakes or full ownership. Investors should track whether key single-source suppliers in any capital equipment business can sustain the required R&D investment independently.
•Cyclicality reduction through irreplaceability: ASML sold 345 machines in 2022 at over €150 million each, generating €21 billion in revenue with 50%+ gross margins, up from 30% a decade prior. Customers who cancel orders lose queue position with no alternative supplier, structurally dampening the severe revenue cycles that historically plagued the semiconductor equipment industry.
•Geopolitical concentration risk is quantifiable: In 2022, approximately 40% of ASML sales went to Taiwan, 30% to South Korea, and a material portion to China. Investors in semiconductor equipment should map customer revenue by geopolitical region and stress-test scenarios where export restrictions or regional conflict disrupts delivery to any single geography exceeding 30% of revenue.

Notable Moment

When ASML's current president and CTO joined in 1984, veteran Philips engineers mocked him for joining a division they believed was being sent to die—while they stayed behind to develop what they were certain would be the future of chip manufacturing. That rival technology never succeeded.

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Episode Transcript

This is Matt Russell, and today, we have a replay of our twenty twenty three episode on ASML. Our guest was Tom Walsh from Bailey Gifford, and I will often share this episode with the upcoming guests to show them what an example of great sounds like. Tom takes the complexity of extreme ultraviolet lithography and makes it incredibly digestible for anyone who is in the investing space and really brings to life what has happened and the evolutions in this technology to put it in the place that it's in today. Now since the episode, EUV has only cemented its place as being core to AI infrastructure. And if we just take a look at some of the numbers that Tom shared, the €21,000,000,000 in net sales in 2022 has grown about 50% to 32,000,000,000 in 2025. Gross margins have remained steadily north of 50%. And as Tom alludes to, they were in the thirties not that long ago. So the story here has played out in a very interesting way. And amidst all the volatility, the stock returns have proven to be strong as well. So this episode is timeless for a lot of what you'll learn about the business and the technology, but also interesting in this moment in time to understand how ASML fits into the AI landscape. This is Business Breakdowns. Business Breakdowns is a series of conversations with investors and operators diving deep into a single business. For each business, we explore its history, its business model, its competitive advantages, and what makes it tick. We believe every business has lessons and secrets that investors and operators can learn from, and we are here to bring them to you. To find more episodes of breakdowns, check out joincolossus.com. All opinions expressed by hosts and podcast guests are solely their own opinions. Hosts, podcast guests, their employers, or affiliates maintain positions in the securities discussed in this podcast. This podcast is for informational purposes only and should not be relied upon as a basis for investment decisions. This is Matt Russell. And today, we are back covering the semiconductor value chain. ASML was once a forgotten subsidiary of Phillips. Today it's one of the most important technology companies in the world. To break down ASML, I'm joined by Tom Walsh, a portfolio manager at Baillie Gifford. Tom helps explain what exactly is happening inside an extreme ultraviolet lithography machine and how ASML came to pioneer this technology from The Netherlands. It was a nontraditional path to say the least. Now this breakdown pairs very well with our breakdowns on AMD, Qualcomm, and Cadence, and I'd also highlight the founder's podcast episode number eight on the Intel Trinity. Please enjoy this breakdown of ASML. Alright, Tom. Thanks for joining us on business breakdowns here. I'm excited to get into ASML. We've covered some other names in the semiconductor value chain, but ASML, for my research, has a really interesting story in terms of how they become …

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