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.
| Western Digital | ASM International | Datadog | |
|---|---|---|---|
| Moat rating | 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 2025 annual report (published 2026-03-12) says 'ASM is the leader in the fast-growing single-wafer ALD market – with a market share of 55%+ (ASM estimate, Investor Day 2025)'. It says ASM 'maintained leadership with our market share surpassing 55%' as the industry moved from FinFET to GAA. And it says that 'Based on the breadth of our R&D engagements and critical production-tool-of-record (PTOR) selections already secured in 2025, we expect to at least maintain our market share' into the 1.4nm node. The Q2 2026 results (https://www.asm.com/media/y0mkxj21/20260728-asm-reports-second-quarter-2026-results.pdf) say the 1.4nm node is on track for its first meaningful contribution in the second half of 2026, 'reflecting increased market share gains in both ALD and Epi'. 2025 gross margin was 51.8%. That is a strong, profitable position, but every share figure behind it is ASM's own estimate or expectation, and no independent share source supports it, so the rating is narrow rather than wide. The exposures also weigh: the five largest customers took about 53.6% of 2025 revenue and China more than 30%, and the report describes the main competitors as 'much larger companies from the United States and Asia'. | narrow The FY2025 10-K grounds real stickiness — a trailing-12-month dollar-based net retention rate of "about 120%" as of December 31, 2025 and "approximately 84% of our customers were using two or more products" out of approximately 32,700 customers — but the same filing caps it. It names IBM, Microsoft and SolarWinds (on-premise infrastructure monitoring), Cisco, New Relic and Dynatrace (APM), Cisco and Elastic (log management) and "native solutions from cloud providers such as Amazon Web Services, or AWS, Microsoft Azure, and Google Cloud Platform" as competitors, plus "home-grown and open-source technologies", and concedes "many of our competitors have greater financial, technical and other resources, greater brand recognition, larger sales forces and marketing budgets". It further discloses an AI-native cohort "which cohort includes our largest customer and represented approximately seven percentage points of our year-over-year revenue growth for the quarter ended December 31, 2025" whose members "have rapidly increased their usage of our product and then optimized or may in the future optimize their usage". Sticky but bounded: narrow, not wide. |
| Moat type | 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. | intangibles ip The report grounds the ALD lead in accumulated process know-how and patents rather than unit cost: 'ASM has the broadest portfolio of ALD products with innovative ALD reactor designs. Our strength in chemistries and applications using new materials means our customers can meet advanced node technology challenges.' It also cites a LexisNexis PatentSight study finding that 'ASM holds a strong and impactful patent portfolio on its core strength of ALD as measured by both Competitive Impact and Patent Asset Index'. Switching friction reinforces this. Tools enter fabs through PTOR selection, the report notes that 'Failing a customer during a production ramp could create significant problems for them', and installed systems are supported 'with a view to having them in production 24/7 for 20+ years'. But ASM wins those PTOR slots node by node on process capability, which makes IP the primary source. | switching costs The 10-K locates the durable hold in platform integration rather than protected IP. A single agent collects "metrics, traces, logs, and other data"; under "One Data Model" every ingested datum is "consistently tagged with metadata regardless of its type", so different data types can be "queried together, correlated, alerted on, and visualized in a common user interface"; more than 1,000 out-of-the-box integrations bind it to the customer's stack; and the attach ladder deepens (approximately 84% of customers on two or more products, 55% on four or more, 33% on six or more and 18% on eight or more as of December 31, 2025). Displacing Datadog means re-instrumenting an estate the filing describes as "frequently deployed across a customer's entire infrastructure, making it ubiquitous". |
| Leadership | 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 In single-wafer ALD, which is more than half of equipment sales, the report calls ASM 'the leader' with a 55%+ share. That share is ASM's own estimate; the Investor Day 2025 deck (https://www.asm.com/media/m3jhkm12/asm_investor_day_2025.pdf) sources it to 'ASM internal analysis and TechInsights'. With no independent share source, the band is held at co_leader rather than clear_leader. ASM does not lead every line: 'ASM has the number two share in the Epi equipment market', and in PECVD and vertical furnaces it is 'focused on niche portions of the market'. | co leader The 10-K claims only that "We believe that we compete favorably with respect to the factors listed above" — never category leadership — and names a distinct credible rival set in each category it serves, while conceding many of those rivals have greater resources and brand recognition. It does claim one first: being "the first to combine the 'three pillars of observability' - metrics, traces, and logs - into a single end-to-end platform" with log management in 2018. That reads as the leading independent among several credible rivals, not a clear leader. |
| Pricing power | 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. | moderate Gross margin rose from 50.5% to 51.8% in 2025 and was 51.9% in Q2 2026. But the report attributes the 2025 gain to 'a very strong mix, including a continued solid contribution from the Chinese market' and to efficiency programs, not to price. It targets a range of 47% to 51% for 2026-2030, and the Q2 2026 release expects full-year 2026 gross margin 'to be around 51%'. Buyers are concentrated: the 10 largest customers were about 72.3% of 2025 revenue, the five largest about 53.6%, and two customers each contributed more than 10% of total revenue. | moderate Expansion is real but volume-driven rather than price-driven. The 10-K attributes the increase in trailing-12-month dollar-based net retention to about 120% (from "high-110%'s" a year earlier) to "increased usage growth from existing customers", and describes self-service expansion by "adding hosts or volumes of data monitored". The same filing warns that if customers "reduce their usage, fail to renew their subscriptions or renew on different terms", then "our revenue and dollar-based net retention may decline" — a usage-metered model hands the customer a dial that seat-based pricing does not. |
| Summary | 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. | ASM International, headquartered in the Netherlands, makes wafer-processing equipment with a focus on deposition: single-wafer ALD, silicon epitaxy, PECVD, vertical furnaces, silicon-carbide epitaxy and, since its acquisition of Axus in December 2025, CMP. Spares & Services made up 23% of 2025 revenue. ALD is the core. It was the largest product line, 'clearly accounting for more than half of our equipment sales', and ASM estimates its single-wafer ALD share at 55%+. The report frames ALD as increasingly necessary, saying 'ALD is the only deposition technology capable of meeting the coverage and film-property requirements for complex 3D structures', and expects ALD layers to grow in GAA transistor stacks, backside-power architectures and future 4F² DRAM. Epitaxy is the second-largest line: the report says ASM holds the number two share there and lifted its leading-edge share from 12% in 2020 to 25% in 2024, both by ASM's own figures. 2025 revenue reached a record €3.2 billion at a gross margin of 51.8%; per the Q2 2026 results, Q2 2026 revenue was €1,003 million at 51.9%. The exposures are customer concentration (the five largest customers were about 53.6% of 2025 revenue), geography (Asia was 80% of revenue and China more than 30%), and export restrictions that the report says are 'impacting our ability to sell and service systems in certain jurisdictions and for certain customers'. | Datadog's advantage is consolidation, not exclusivity. Per the FY2025 10-K it runs a modular platform of "over 20 products" fed by one agent and one tagged data model, deployed across a customer's whole estate with more than 1,000 integrations — so each additional product adopted makes the estate costlier to unwind, which shows up as roughly 120% dollar-based net retention and a multi-product attach ladder that thickened at every rung during 2025. What holds the rating at narrow rather than wide is that the filing itself names hyperscaler-native monitoring and open-source tooling as direct substitutes in the same categories, and flags an AI-native cohort including its largest customer that can optimize usage down as quickly as it ramped up. |
| Chain position | Layer-3 mass-capacity storage; the other half of the HDD co-leadership. | Upstream wafer-fab-equipment supplier to logic/foundry and memory chipmakers. 'The leading-edge logic/foundry market was the main growth driver for ASM, on the back of 2nm investments' in 2025, advanced-node DRAM was the largest part of memory sales, and Asia was 80% of revenue. | A software layer above the cloud rather than a supplier into it: the 10-K describes the platform as "cloud agnostic", deployable across "public cloud, private cloud, on-premise, multi-cloud, and hybrid environments", and monetizes the AI build-out through LLM Observability, which traces LLM chains and correlates them with APM. |
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| Long-horizon vote | +0.05 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.13 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.13 at weight 0.20 · swarm neutral Editorial prior, not backtested. |