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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.

comparing CXMT×Ambarella×MaxLinear× maximum of 3 — remove one to swap
CXMT 688825.SS ai moat: latest change 2026-08-29 Ambarella AMBA ai moat: latest change 2026-09-04 MaxLinear MXL ai moat: latest change 2026-01-29
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%.

source: static.cninfo.com.cn

none

Ambarella earns a solid gross margin on its vision chips but has not turned it into GAAP operating profit, and its own filing describes larger rivals and falling prices. The 10-K and 10-Q financial data (as carried in TradingPilot fundamentals) report gross profit of $231,266 thousand on revenue of $390,702 thousand in fiscal 2026 (year ended 2026-01-31), against an operating loss of $82,527 thousand. GAAP operating income was negative in every fiscal year from fiscal 2019 (a loss of $40,420 thousand) through fiscal 2026, including a loss of $154,560 thousand in fiscal 2024. The quarter ended 2026-07-31 still shows an operating loss of $8,143 thousand on revenue of $108,125 thousand (10-Q filed 2026-09-04). The 10-Q's risk factors say 'Many of our competitors are substantially larger'. They say third parties 'have licensed their technology, including image signal processing and computer vision IP, which potentially enables a greater number of competitors to offer competitive solutions', and that average selling prices 'have typically decreased over time and will likely do so in the future'. None rather than narrow, because in no fiscal year since 2019 has the design-win position produced a GAAP operating profit.

source: sec.gov

none

MaxLinear’s FY2025 10-K does not show a durable advantage. Its income statement reports revenue of $693,263 thousand in 2023, $360,528 thousand in 2024 and $467,641 thousand in 2025, with operating losses of $38,221 thousand, $223,352 thousand and $126,890 thousand. The risk factors say “Increased competition has resulted in price pressure, decreased demand, reduced revenue and profitability, and loss of market share”; the business section says competitors include “companies with much longer operating histories, greater name recognition, and substantially greater financial, technical and operational resources”; and because its products “often are building block semiconductors” it also faces integrated-circuit makers, “some of which may be existing customers or platform partners”. Two customers were 28% of 2025 net revenue and the ten largest 65%, and “substantially all of our sales to date have been made on a purchase order basis”. Gross profit held up - $385,663 thousand, $194,782 thousand and $265,814 thousand for 2023 to 2025 - and the AI optical ramp has lifted 2026 results, but a revenue base that nearly halved in one year and three straight years of operating losses do not evidence a moat.

source: sec.gov

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.

source: static.cninfo.com.cn

none

The one durable mechanism the 10-Q (2026-09-04) describes is the design socket, and it cuts both ways. 'Once an OEM designs a competitor's device into its product, it becomes significantly more difficult for us to sell our SoC solutions to that OEM because changing suppliers involves significant cost, time, effort and risk for the OEM.' In OEM automotive and robotics, the filing says Ambarella faces 'certain competitive disadvantages in these markets relative to larger competitors that have significantly more resources and a longer history working with OEMs and ODMs'. The risk factors present socket stickiness as protecting whichever supplier wins, say rivals can license image-signal-processing and computer-vision IP, and name no lock specific to Ambarella.

source: sec.gov

none

No single source of advantage in the 10-K is strong enough to name. MaxLinear has “over one thousand issued patents” and says consideration under intellectual property sale agreements “has previously been and is currently expected in the future be material”, but the same filing describes its products as building blocks that larger vendors can integrate, says some optical-interconnect customers are “module makers who are vertically integrated, where we compete with internally supplied components”, and claims only that “We believe that we compete favorably” on factors from product performance to price. Its RF-CMOS integration know-how is real, but nothing in the filing shows customers locked in or rivals unable to match it.

source: sec.gov

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'.

source: static.cninfo.com.cn

at parity

No independent ranking was found. The 10-Q (2026-09-04) names HiSilicon, Novatek, NVIDIA, Qualcomm and SigmaStar as primary IoT competitors. In the automotive camera market it names Horizon Robotics, Mobileye, Novatek, NVIDIA, Qualcomm, Renesas and Texas Instruments. It says many competitors have 'significantly better brand recognition and broader product offerings than us'. It does win sockets at named customers: its largest end customer in fiscal 2027 to date was Insta360 (Arashi Vision), and its top 10 end customers were 'approximately 67%' of fiscal 2026 revenue. It is one supplier among several, conceding scale and, in automotive and robotics, 'competitive disadvantages', so the band is at parity, not leading.

source: sec.gov

fast follower

In its fastest-growing line MaxLinear is a second source. Deep Fundamental’s September 27, 2024 deep dive (https://deepfundamental.substack.com/p/deep-dive-optical-module-market) says “Marvell ($MRVL) and Broadcom ($AVGO) are two major suppliers of DSPs, with Marvell holding the top position in the market”, that “Coherent also sources heavily from Marvell, with Broadcom/ Maxlinear potentially serving as second supplier with 20-30% share”, and that MaxLinear offers “DSPs at about half the price of Marvell's if it can achieve a meaningful mass production volume of at least 100K units per month”. Keystone has since reached volume - management said on the Q2 2026 call that it “continues to ramp into high volume production at major hyperscale customers across U.S. and Asia” - but the 10-K names Broadcom, Qualcomm, Realtek, Skyworks, Credo, MediaTek, Marvell, MACOM, Texas Instruments, Analog Devices, Renesas, Microchip and Semtech as primary merchant competitors, and no third-party source found ranks MaxLinear first in any of its markets.

source: sec.gov

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.

source: static.cninfo.com.cn

moderate

Gross profit has held at a steady share of revenue. The filed financial data (as carried in TradingPilot fundamentals) show $231,266 thousand on $390,702 thousand in fiscal 2026, $172,330 thousand on $284,865 thousand in fiscal 2025, and $62,416 thousand on $108,125 thousand in the quarter ended 2026-07-31. The 10-Q expects that average selling prices 'will likely' keep decreasing, 'which could harm our revenue and gross margins'.

source: sec.gov

moderate

Mixed. Gross profit has stayed in proportion through the cycle - the 10-K’s income statement shows $265,814 thousand on revenue of $467,641 thousand in 2025 - and the Q2 2026 release (https://www.sec.gov/Archives/edgar/data/0001288469/000128846926000050/a06302026exhibit991.htm) reports GAAP gross margin of 57.8% against 56.5% a year earlier, guiding Q3 to 57.0%-60.0%. But the 10-K says “From time to time, we have reduced the average unit price of our products due to competitive pricing pressures, new product introductions by us or our competitors, and for other reasons, and we expect that we will have to do so again in the future”, that under some distributor agreements “we provide protection for reductions in selling prices of the distributors' inventory”, and in optical DSPs it entered as the lower-priced challenger.

source: sec.gov

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.

Ambarella designs video-processing and AI vision chips that camera and car makers build into their products at the design stage. It sells to ODMs and OEMs, largely through WT Microelectronics, which the 10-Q says accounted for 'approximately 70% of total revenue' in fiscal 2026. The filing ties future growth to expanding 'within the Internet of Things, or IoT, and automotive markets with our new artificial intelligence, or AI, SoC solutions' and to penetrating robotics and industrial markets. Revenue rose to $390,702 thousand in fiscal 2026 from $284,865 thousand in fiscal 2025, but losses continued. The site's filing reader could not extract the business section of the FY2026 10-K, so this profile rests on the latest 10-Q's risk factors and filed financial data.

MaxLinear is a fabless designer of RF, analog and mixed-signal communications SoCs whose core skill, per its FY2025 10-K, is combining broadband RF and analog front ends with digital signal processing in standard CMOS. It sells into broadband access (cable, fiber PON and DSL gateways - approximately 44% of 2025 net revenue), home connectivity (Wi-Fi, MoCA, G.hn and Ethernet), wired and wireless infrastructure including optical data-center DSPs, and industrial and multi-market interface and power products. After a downturn that took revenue from $693,263 thousand in 2023 to $360,528 thousand in 2024, the AI optical ramp is turning it around: the Q2 2026 release reports revenue of $168,847 thousand, up 55% year over year, with the infrastructure business up 145% on the Keystone PAM4 DSP ramp for 800G, and management raised its 2026 optical data-center revenue outlook to $210 million-$230 million on the call. The moat question is whether that growth rests on anything durable. In optical DSPs MaxLinear entered as a lower-priced second source to Marvell; elsewhere it competes with Broadcom, Qualcomm, Realtek and MediaTek, which can integrate the functions it sells; customers are concentrated; and the 10-K still carries the Silicon Motion arbitration over its terminated merger, whose outcome it says it cannot predict. On this record MaxLinear is a technically capable challenger without a moat.

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).

Edge-device silicon: vision and AI SoCs designed into cameras and vehicles by ODMs and OEMs, sold mostly through the distributor WT Microelectronics.

MaxLinear sells chips, much of it through Asian distributors, ODMs and module makers - products shipped to Asia were 82% of 2025 net revenue, including 49% to Hong Kong - that build cable modems, PON terminals, Wi-Fi gateways, base-station radios and optical transceivers for operators and hyperscale data centers. In the AI chain it sits beside the optical-module makers as a DSP supplier, competing with Marvell and Broadcom and, at vertically integrated module makers, with internally supplied components.

Products (share / barrier)
Long-horizon vote -0.06 at weight 0.20 · swarm bullish

Editorial prior, not backtested.

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+0.01 at weight 0.20 · swarm neutral

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+0.01 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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