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 | Arista Networks | Meta Platforms | |
|---|---|---|---|
| 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 claims 'Market research confirms that we continue to be a leader in high-speed Ethernet switching', but grounds its differentiation in 'open and standards-based technology that avoids what is often expensive vendor lock-in' and warns that white-box entrants and alternative technologies 'may create downward pricing pressure'. | narrow The FY2025 10-K shows a real moat — 3.58 billion Family daily active people (December 2025 average, +7% YoY) and a 52% Family of Apps operating margin — but the same filing qualifies its durability on three fronts it discloses itself: it says "We face significant competition in every aspect of our business"; it names "competitive products and services, such as TikTok, that have reduced some users' engagement with our products and services"; and it discloses that since 2020 it has been "subject to a lawsuit by the FTC alleging that we violated antitrust laws" that "seeks ... divestiture or reconstruction of Instagram and WhatsApp." A moat a regulator is actively litigating to break up, and whose ad targeting depends on iOS/Android policies Meta does not set, reads narrow rather than wide. |
| 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. | intangibles ip The durable asset the 10-K names is software, not hardware: a single state-oriented operating system (EOS) with a centralised system database, one data lake (NetDL) and one management plane (CloudVision) across the whole portfolio, with Arista, EOS and CloudVision listed as core trademarks — while the switching silicon comes from Broadcom, its 'predominant merchant silicon vendor'. | network effects The 10-K Competition section describes a three-sided network in Meta's own words: it competes "to attract, engage, and retain people who use our products, to attract and retain businesses that use our free or paid business and advertising services, and to attract and retain developers who build compelling applications that integrate with our products," and elsewhere cites "the scale of our user, advertiser, and developer base." The same filing rules out an IP-based moat: "We do not believe that our proprietary technology is dependent on any single patent or copyright or groups of related patents or copyrights." |
| 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 states Arista is a leader in high-speed Ethernet switching while also stating that 'The data center and campus networking markets have historically been dominated by Cisco', with Dell/EMC, Extreme Networks, HPE, Huawei, Juniper and Nvidia also competing. | co leader Top-tier but shared: the 10-K reports 3.58 billion Family daily active people and $196.18 billion of 2025 advertising revenue, yet also states that TikTok has "reduced some users' engagement," that "each of Apple and Google have integrated competitive products with iOS and Android," and that Meta competes "with companies in the development and application of AI, particularly with respect to the development of frontier AI models." |
| 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. | strong SEC-reported operating income in this filing was 42.8% of revenue in fiscal 2025, up from 42.0% in fiscal 2024, even as the 10-K warns that new entrants and white-box alternatives 'may create downward pricing pressure'. | strong Ad-auction pricing, not list prices: the 10-K reports "the average price per ad increased by 9%" in 2025 after "an increase of 10% in 2024," driven by "an increase in advertising demand," alongside worldwide ARPP of $57.03 (+15%) and a 52% Family of Apps operating margin. The filing notes the gain was "partially offset by a higher number of ad impressions delivered ... in products, such as Reels, that monetize at lower rates." |
| 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. | Arista's edge is a single software image across every box: the 10-K describes EOS, NetDL and CloudVision as one operating model 'from client to cloud', deliberately built on merchant Broadcom silicon and open standards rather than on proprietary hardware lock-in. | Meta's advantage is the size of the user-advertiser-developer network it monetizes, not proprietary technology: 3.58 billion daily active people across the Family of Apps produced $196.18 billion of 2025 advertising revenue at a 52% segment operating margin, and the 10-K attributes 2025's 9% rise in average price per ad to "an increase in advertising demand, which we believe is mostly due to ongoing improvements to our ad performance from our ad targeting and measurement tools." The filing is equally explicit about what limits that network: TikTok has "reduced some users' engagement," Apple's iOS changes "limit our ability ... to target and measure ads effectively," the April 2025 European Commission decision against its "subscription for no ads" model pushed EU users onto less personalized ads that are "less relevant and effective," and the FTC is seeking divestiture of Instagram and WhatsApp. Reality Labs, the intended next platform, lost $19.19 billion in 2025 on $2.21 billion of revenue and is expected "to continue to operate at a loss for the foreseeable future." |
| 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). | Networking layer of the AI datacentre; two customers were 26% and 16% of fiscal 2025 revenue and Broadcom supplies the switching silicon. | Demand-side anchor of the AI build-out: the 10-K reports $72.22 billion of 2025 capital expenditures and says Meta has "designed and built our own data centers and key portions of our technical infrastructure," funded entirely by the advertising business. |
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| Long-horizon vote | -0.06 at weight 0.20 · swarm bullish Editorial prior, not backtested. | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. |