Compare moats
Up to three covered companies, band by band. Every call is a curated editorial judgment, never a disclosed figure — and every band carries its cited basis.
| Tokyo Electron | Western Digital | ASE Technology Holding | |
|---|---|---|---|
| Moat rating | narrow Integrated Report 2026 (issued 2026-09-15) documents strong positions across the line: by Tokyo Electron's own estimate it ranks No. 1 in diffusion furnaces, batch deposition, metal deposition, coater/developers, gas chemical etch and wafer probers, No. 2 in plasma etch and bonders and No. 3 in cleaning, and holds a "100% share" of coater/developers for EUV lithography; its installed base, industry-leading by its own estimate, is approximately 100,000 units, growing by approximately 4,000-6,000 units a year; and its 26,592 patents rank No. 1 in the semiconductor production equipment industry on the LexisNexis PatentSight+ database. Reported returns stayed high through a sales decline: gross profit margin stayed between 44.6% and 47.1% and ROE between 21.8% and 37.2% across fiscal 2022-2026, including fiscal 2024 when net sales fell to ¥1,830.5 billion. The share ranks, the EUV share and the installed-base lead are company estimates, not third-party data. | narrow The FY2026 10-K names Seagate and Toshiba plus NAND-based substitutes as the competition, and discloses three customers at 16%, 15% and 13% of net revenue — 44% across three cloud buyers. A cost-scale position sold into that concentration is narrow. | narrow The FY2025 20-F argues ASEH out-competes IDM in-house lines because serving "a large base of customers across a wide range of products" lets it "reduce costs and shorten production cycles through high-capacity utilization and process expertise" and gives its equipment "a longer useful life" — a real but bounded edge, since the same filing calls the global packaging and testing market "highly competitive", notes "most of our customers obtain services from more than one source", flags foundry encroachment ("TSMC has offered advanced packaging technologies such as integrated fan-out"), and warns that "some of our competitors may have superior financial, marketing, manufacturing, research and development and technological resources than we do", offering P.R.C. government support of its domestic semiconductor companies as the example. |
| Moat type | intangibles ip The report calls its patent portfolio its "fifth strength" and says that "by supporting our other four strengths, it serves a vital role as the foundation" for medium- to long-term corporate value: 26,592 patents as of March 31, 2026, 1,415 inventions created in Japan and 345 overseas in 2025, and Clarivate Top 100 Global Innovators recognition for the fifth consecutive year. The other strengths rest on the same proprietary process know-how — co-created technology roadmaps that evaluate technologies "for the next four generations and beyond" with customers, "numerous development PORs" (process of record) in the frontend business, and the EUV coater/developer position — so proprietary process technology, reinforced by qualification in customers' process flows, is the moat source. | cost scale The filing claims 'leadership in driving areal density and cost efficiency' with a 'global manufacturing footprint' — the moat is delivered cost per terabyte. | cost scale The advantage the 20-F actually claims is unit economics from volume, not lock-in: specialization and "economies of scale by providing services to a large base of customers", high capacity utilization spreading "relatively high fixed costs", and equipment that lasts longer because of the breadth of the order book. Capital intensity reinforces it — the filing says "semiconductor businesses are capital intensive and require significant investment in expensive equipment manufactured by a limited number of vendors", with the equipment market itself "characterized by intense demand, limited supply, and long delivery cycles". |
| Leadership | co leader The CEO's message describes Tokyo Electron as "one of the world's leading suppliers of semiconductor production equipment" and states a "goal of becoming number one globally" — it does not claim to be the largest supplier overall — while by its own estimate it ranks No. 1 in six charted segments (diffusion furnace, batch deposition, metal deposition, coater/developer, gas chemical etch, wafer prober), No. 2 in plasma etch and bonders, and No. 3 in cleaning. | co leader The filing's own words: 'We believe we are well-positioned in a competitive industry with our leading product portfolio' — attributed, and set against exactly two named HDD rivals. | co leader The 20-F calls ASEH "a leading provider of semiconductor manufacturing services in assembly and testing" and "a market leader in SiP technologies from design to assembly with high-volume manufacturing", and says it has "established ourselves as a leader through the successful introduction of leading-edge advanced packaging solutions, which have played a pivotal role in bringing advanced ASIC and HBM products to the marketplace" — but the hedged "we believe we are among the leaders in such packaging processes and technologies", alongside named consolidating rivals (Jiangsu Changjiang Electronics Technology/STATS ChipPAC, Amkor/J-Devices, Tianshui Huatian Technology/Unisem) and TSMC's InFO, describes shared rather than sole leadership. |
| Pricing power | moderate Gross profit margin held in a 44.6%-47.1% range over fiscal 2022-2026, including fiscal 2024's sales decline, but in fiscal 2026 it fell 1.8 points to 45.3% "due to factors such as higher raw material prices and increased labor costs" even as net sales reached a record, and the CEO lists "revising prices appropriately with respect to cost increases caused by inflation" among five initiatives needed to improve the operating margin. | weak Three customers at 44% of revenue (16/15/13%), with the filing noting the business is 'largely dependent on the buying patterns of our large Cloud customers' — buyer leverage stated plainly. | weak The 20-F states the industry has "a general trend toward declining prices for products and services of a given technology over time" and that ASEH's own "average selling prices of our packaging and testing services have experienced sharp declines" under "intense price competition". FY2025 consolidated gross margin was 17.7% (up from 16.3%), and management attributes the gain to "higher packaging and testing revenue mix and higher factory utilization" rather than price; the EMS half earned a 9.2% gross margin on raw-material costs equal to 78.7% of EMS revenue, and the five largest customers supplied 46.5% of 2025 operating revenues. |
| Summary | Tokyo Electron makes wafer fab equipment for what its Integrated Report 2026 calls the "four key processes necessary for semiconductor scaling: deposition, coater/developer, etch, and cleaning", plus wafer probers and bonders for test and advanced packaging. The report grounds its edge in breadth and incumbency: leading share estimates in most of its segments, an estimated 100% share of EUV coater/developers, an installed base of approximately 100,000 units, industry-leading by its own estimate, feeding a Field Solutions business that sold ¥626.0 billion of parts, services, used equipment and modifications in fiscal 2026, and the industry's largest patent portfolio. Fiscal 2026 net sales were a record ¥2,443,533 million, but gross profit margin fell 1.8 points to 45.3% on higher raw material prices and labor costs, and operating margin fell 3.1 points to 25.6% as R&D expenses rose 11.1% to ¥277,866 million. China accounted for 34.1% of fiscal 2026 net sales, down from 41.7% the year before. | Post the flash separation, Western Digital is a focused HDD supplier whose filing calls Cloud 'our largest and fastest growing end market,' selling high-capacity enterprise drives to cloud, internet and social-media infrastructure players. The same filing shows what that focus costs: three customers were 16%, 15% and 13% of net revenue in fiscal 2026, up from none above 10% in 2024 — the cloud buildout concentrated the buyer side as fast as it grew the business. | ASEH sells turnkey assembly and test at a scale most captive IDM lines cannot match: the 20-F says it is "involved in all stages of the semiconductor manufacturing process except circuit design and wafer fabrication", and leans on Taiwan, "currently the largest center for outsourced semiconductor manufacturing in the world", plus a "strategic alliance with TSMC", to sit next to the foundries its customers already use. The durable part is cost position from utilization, not customer capture — the filing concedes customers multi-source and that foundries are moving into advanced packaging from above. |
| Chain position | Upstream equipment supplier to chipmakers: fiscal 2026 new-equipment sales of ¥1,775.4 billion went 59% to non-memory (logic, foundry, others), 31% to DRAM and 10% to NAND; by region, China took 34.1%, South Korea 22.3% and Taiwan 20.4% of net sales. | Layer-3 mass-capacity storage; the other half of the HDD co-leadership. | Back-end contractor to the AI silicon chain: the 20-F ties its FOCoS, FOCoS-Bridge and 2.5D/3D lines to "ASICs and HBM for HPC, networking, server and AI/ML applications" and "AI accelerators for AI training", and warns that a slowdown in AI demand would leave "lower utilization rates for our specialized equipment". |
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| Long-horizon vote | +0.13 at weight 0.20 · swarm bearish Editorial prior, not backtested. | +0.05 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.05 at weight 0.20 · swarm neutral Editorial prior, not backtested. |