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.
| CXMT | CoreWeave | Alphabet | |
|---|---|---|---|
| Moat rating | 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%. | narrow The FY2025 10-K describes a purpose-built AI cloud with a real performance edge, but its own risk section discloses the defining constraint: 'approximately 67% of our revenue from our top customer, Microsoft, for the year ended December 31, 2025' — a specialized platform whose economics rest on one buyer that is also a hyperscaler competitor is narrow, not wide. | wide Google Search commands ~91% of worldwide search (StatCounter, Jun 2026) and Alphabet sustained a 32% consolidated operating margin on $402.8B of FY2025 revenue (FY2025 10-K), evidence of a durable, dominant advantage. |
| Moat type | 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. | cost scale The 10-K grounds the advantage in purpose-built infrastructure — first-to-deploy NVIDIA GB200/GB300 NVL72 systems and a data-center fabric 'designed to harness the full potential of each GPU' — a performance-per-dollar edge at scale, not a customer lock. | network effects The 10-K states competing in advertising depends on simultaneously attracting and retaining users, advertisers, and content providers — a three-sided marketplace whose value compounds with scale, the classic network-effect flywheel behind ~85% of Alphabet's revenue. |
| Leadership | 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'. | co leader The 10-K positions CoreWeave as a first-to-deploy specialist against hyperscalers who offer AI compute 'as part of a broader product portfolio' — a leader of the purpose-built neocloud niche, not of the AI-cloud market its own filing says it competes in. | clear leader Clear leader in its core markets — ~91% of worldwide search and ~69% of mobile OS (StatCounter, Jun 2026) — though only the #3 hyperscaler in cloud infrastructure at ~13%, behind AWS and Azure (Synergy Research, Q2 2025). |
| 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. | moderate A first-to-deploy performance edge on scarce new NVIDIA systems supports pricing while the hardware is scarce, but 67% single-customer concentration is buyer leverage the filing states outright. | strong A 32% consolidated operating margin held flat 2024→2025 on $402.8B revenue (FY2025 10-K), reflecting strong pricing power in a near-monopoly search-ad auction. |
| Summary | 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. | CoreWeave sells a full-lifecycle AI cloud — training, inference, data movement, agentic workflows — on infrastructure 'purpose-built to accelerate breakthroughs by AI pioneers,' with the Weights & Biases acquisition adding the developer tooling layer as 'a single stack.' The edge the filing claims is speed and efficiency on the newest NVIDIA systems. The moat's ceiling is in the same document's risk factors: 67% of 2025 revenue came from Microsoft, and the hyperscalers it competes with are 'also customers of, and partners to, CoreWeave' — the largest buyer and the largest rival are the same companies. | Alphabet's core engine is a three-sided advertising marketplace — the FY2025 10-K says competing depends on simultaneously attracting users, advertisers, and content providers — anchored by Google Search's ~91% worldwide share and Android's ~69% mobile-OS share (StatCounter, Jun 2026), which give it unmatched reach and first-party data. That scale converts to profit: a 32% consolidated operating margin on $402.8B of FY2025 revenue. |
| Chain position | 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). | Layer-8 purpose-built AI neocloud — first-to-deploy NVIDIA systems for training and inference at scale. | Full-stack AI player: designs its own TPU accelerators, operates Google Cloud (the #3 hyperscaler), and develops the Gemini frontier models — both a supplier of AI compute and a developer of AI products. |
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| Long-horizon vote | -0.06 at weight 0.20 · swarm bullish Editorial prior, not backtested. | +0.13 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.42 at weight 0.20 · swarm bullish Editorial prior, not backtested. |