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.
| Digital Realty Trust | Alibaba Group | CXMT | |
|---|---|---|---|
| Moat rating | narrow The FY2025 10-K's own competitive record cuts both ways. Item 1 says a "high-quality, highly interconnected global portfolio such as ours could not be easily replicated today on a cost-competitive basis," yet Item 1A concedes that competitors have "significantly greater financial, marketing and other resources and more ready access to capital" and that as rivals keep developing space, "rental rates may be reduced or we may face delays in leasing." A durable advantage that its own filing says new supply can price against is bounded, not unassailable. | wide The FY2026 20-F rests on two entrenched positions: a commerce ecosystem the filing ties to 'the world's largest online retail market' with 'over 1.1 billion Internet users,' and a cloud business whose 'Cloud Intelligence Group's external revenue growth accelerated to 40% in the final quarter of fiscal 2026, with AI-related products accounting for 30% of this revenue.' Two durable franchises under one roof is a wide moat — bounded by China regulation and US ICTS cloud controls the same filing flags. | none CXMT's 2026 interim report (published 2026-08-29) names scale and IDM technology as core competencies, but also concedes gaps. It says that compared with the leading international manufacturers the Company 'still has a certain gap in overall scale, technology accumulation and customer resources' (与国际头部厂商相比，公司在整体规模、技术积累、客户资源等方面仍然存在一定差距). It describes its scale effect as 'gradually emerging' (逐步显现), and its gross-margin risk covers the case where the scale effect cannot materialise over the long term (公司规模效应长期无法显现). Its excess returns span a single shortage. The retained-earnings note shows an accumulated deficit of ¥36.65bn entering 2026, after ¥1.87bn of 2025 net profit attributable to the parent, and the first-half 2025 net loss attributable to shareholders was ¥2.33bn. Then first-half 2026 revenue rose 873.64%, which the report attributes to the global DRAM supply shortage, higher prices and sharply higher volumes, and the main-business gross margin reached 84.84%. |
| Moat type | network effects Item 1 attributes the hard-to-replicate part of the portfolio to connectivity rather than to real estate: "the network density, interconnection infrastructure and connectivity-centric customers in certain of our data centers have led to the organic formation of densely connected data communities that are difficult for competitors to replicate." That community sits on over 232,000 cross connects in over 55 metros, so each network and cloud that lands makes the same building worth more to the next tenant. | network effects The 20-F names 'the network effects of our ecosystems' among the factors its business depends on: Taobao and Tmall, Alipay, Amap and the rest compound as buyers, sellers and services reinforce each other across one integrated ecosystem. | none On the report's own evidence, no candidate moat source qualifies. Cost scale: the report calls DRAM a highly standardised product (高度标准化的产品) in which the cost advantage of scale is a core competency. But CXMT ranks fourth globally by capacity, and the report, calculating on sales, puts Samsung, SK hynix and Micron at 33.96%, 34.48% and 23.41% of the 2025 global DRAM market, so the scale advantage lies with the leaders. IP: it reports 4,484 domestic patents (3,744 of them invention patents) and 3,400 overseas patents as of 2026-06-30. Yet it describes its core technology as reaching 'international advanced level' (国际先进水平) and flags possible IP disputes with competitors. Switching costs: ¥133.48bn of ¥150.31bn first-half 2026 revenue went through distributors, who under the report's revenue note decide their own resale prices. |
| Leadership | co leader Item 1 claims the title of "the largest global provider of cloud- and carrier-neutral data center, colocation and interconnection solutions," but the Competition section names Equinix and NTT as operators of properties "similar to ours in some of the same metropolitan areas," plus Global Switch and regional operators abroad — a shared top tier on the company's own telling, not a solitary one. | clear leader The 20-F claims leadership in applied AI ('strengthened our leadership in applied AI') and roots the commerce business in the world's largest online retail market; Alibaba Cloud is the leading China hyperscaler pivoting to AI, per the segment discussion — a category leader in both its home markets. | fast follower TrendForce (2026-09-24) reports that CXMT's global DRAM revenue share rose to 9.5% in 2Q26 from 7.6% in 1Q26, 'placing it fourth behind Samsung at 39.4%, SK hynix at 24.9%, and Micron at 23.3%'. It is catching up through generation-skipping R&D. The interim report had its fifth process platform in customer certification, and a voluntary disclosure on 2026-09-21 announced that platform's mass production, adding that its products are not yet in scale sales and yields need time to ramp. TrendForce's listing analysis (2026-07-28) still says CXMT 'still trails Samsung, SK hynix, and Micron in advanced processes, product performance, yields, and certification by high-end customers'. |
| Pricing power | strong FY2025 renewals signed re-priced upward in every bucket — +27.0% on greater-than-1 MW space ($146 to $186 per square foot), +4.6% on 0-1 MW ($268 to $280) and +43.0% on other ($49 to $71) — and MD&A expects average aggregate rental rates on 2026 renewals to be positive against the rates currently paid for the same space "on a GAAP basis and on a cash basis." On costs, the filing says utilities expense "is our largest expense category" and that "the vast majority of the expense is passed directly through to our customers," which it credits with significantly mitigating exposure to power-cost increases rather than removing it. The cap: Item 1A warns competitor development could still force rates down. | moderate Ecosystem lock-in and cloud scale support pricing, but the filing warns that if 'user activity and engagement in our ecosystem may decrease … our market share and profitability may be negatively affected,' and Chinese e-commerce/cloud competition is intense — real but capped pricing power. | weak CXMT is a price taker riding the cycle. The interim report attributes first-half revenue growth to the global DRAM supply shortage, rising prices and sharply higher volumes. It records industry prices between 2015 and 2025 as high as $7.89/GB and as low as $1.78/GB in first-half 2023, and it states that the continued steep price rise is not sustainable. Main-business revenue was ¥15.22bn against cost of ¥13.29bn in first-half 2025, and ¥150.04bn against ¥22.75bn in first-half 2026. Most sales go through distributors, who set their own resale prices. |
| Summary | Digital Realty rents space, power and connectivity rather than compute: at 2025 year-end its portfolio held 310 data centers and roughly 57.6 million rentable square feet across more than 55 metros in over 30 countries, about 84.7% leased, serving more than 5,000 customers. Two different businesses sit inside that footprint. The greater-than-1 MW wholesale side is a capital-and-power race — 769 MW of projects underway with 64% pre-leased, and land that "could accommodate over 3,500 megawatts of additional data center capacity" — where the 10-K names Equinix, NTT, Global Switch and "various private operators" as rivals and warns that added supply can push rents down. The colocation and interconnection side is the defended half: over 232,000 cross connects and the "densely connected data communities" Item 1 says competitors cannot easily replicate, reinforced by contracts the filing describes as generally running 5-10+ years on large deployments and by improvements "installed at our customers' expense." FY2025 leasing supports that read — renewals signed re-priced +27.0% on greater-than-1 MW space and +4.6% on 0-1 MW — while customer concentration is the offsetting exposure, with the largest customer at roughly 11.7% of annualized recurring revenue. | Alibaba is a commerce network and an AI cloud fused into one ecosystem. The retail side draws its moat from network effects the filing names explicitly, rooted in the world's largest online retail market; the cloud side is pivoting hard into AI — Alibaba Cloud's 'growth engine fully pivots from traditional compute and storage to models, AI compute, and agent services,' anchored by the in-house Qwen family (Qwen3.7-Max 'specifically engineered for agents') and the PAI platform. The 20-F's own framing is 'leading full-stack capabilities across the AI value chain.' The counterweights are structural rather than competitive: a Cayman VIE structure, China's regulatory environment, and the US Commerce Department's proposed ICTS cloud-computing controls the filing discloses. | CXMT (ChangXin) is a Hefei-based IDM that designs and fabricates DDR5 and LPDDR4X/LPDDR5/5X/LPDDR6 memory and sells DRAM wafers, chips and modules. Its 2026 interim report says it reached its fourth process platform through a 'generation-skipping' (跳代研发) R&D strategy, and that it ranks first in China and fourth globally by shipments and sales. First-half 2026 revenue was ¥150.31bn (DDR series ¥69.47bn, LPDDR series ¥78.19bn), with a main-business gross margin of 84.84%. TrendForce puts its 2Q26 DRAM revenue share at 9.5%, up from 7.6% in 1Q26. The position is real but recent. The report concedes gaps to the three leaders in scale, technology and customers. The customers it names are Alibaba Cloud, ByteDance, Tencent, Lenovo, Xiaomi, Transsion, Honor, OPPO and vivo. On 2026-06-08 the US Defense Department added its subsidiary ChangXin Memory to the Section 1260H list. TrendForce notes that export controls leave CXMT relying on DUV multiple patterning rather than EUV, and that its prospectus 'has not disclosed a clear mass-production timetable' for HBM. The report itself warns that the continued steep rise in DRAM prices is not sustainable (价格的持续大幅上涨不具备可持续性) as international makers add capacity. |
| Chain position | Landlord to the AI stack — sells the space, power and interconnection that cloud, network and enterprise tenants run compute in (Oracle, IBM, Meta Platforms, AT&T, Comcast and Lumen are among the customers named in Item 1), with roughly 2.9 GW of total in-place IT capacity. | Layer-8 hyperscaler + AI-application incumbent: Alibaba Cloud supplies AI compute and the Qwen models while the commerce ecosystem is a vast applied-AI distribution surface. | Upstream DRAM IDM selling wafers, chips and modules to server, smartphone, PC and automotive makers, mostly through distributors (¥133.48bn of ¥150.31bn first-half 2026 revenue). |
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| Long-horizon vote | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.38 at weight 0.20 · swarm neutral Editorial prior, not backtested. | -0.06 at weight 0.20 · swarm bullish Editorial prior, not backtested. |