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.
| Cloudflare | Microsoft | Silicon Motion Technology | |
|---|---|---|---|
| Moat rating | wide The band is earned by a measured share gap on a hard-to-rebuild asset, not asserted. W3Techs' 17 September 2026 survey (w3techs.com/technologies/overview/proxy) puts Cloudflare in front of 25.8% of all websites, an 85.0% share of the reverse-proxy market, against Amazon CloudFront at 5.5%, Fastly at 3.0% and Akamai at 2.1% - roughly fifteen times the nearest rival. The FY2025 10-K filed 2026-02-26 describes what a challenger would have to reproduce to contest that: a network that 'spans more than 330 cities in over 125 countries worldwide and interconnects with over 13,000 networks globally', architected to 'run every service on every server in every city' - capacity and peering accumulated city by city over a decade, not bought in a quarter. The position has been monetised without margin decay: SEC XBRL fundamentals on this site show GAAP gross margin inside a 74.5-78.7% band in every fiscal year from FY2017 to FY2025 while revenue grew from $134.9M to $2,167.9M, and Cloudflare's Q4/FY2025 results release of 2026-02-10 (cloudflare.com/press/press-releases/2026/cloudflare-announces-fourth-quarter-and-fiscal-year-2025-financial-results/) reports remaining performance obligations up 48% and new annual contract value up nearly 50% year over year. What stops this being a certainty rather than a judgement: the dominant share sits in application services, while SASE and developer compute are contested by vendors the 10-K itself concedes hold 'substantially greater financial, technical, and other resources.' | wide The FY2026 10-K (filed 2026-07-29) restates both structural mechanisms verbatim. On cost: the cloud business 'benefits from three economies of scale' — datacenters with 'significantly lower cost per unit than smaller ones', demand aggregation, and multi-tenancy that lowers maintenance labor. On ecosystem: 'A well-established ecosystem creates beneficial network effects among users, application developers, and the platform provider that can accelerate growth.' Both are load-bearing at the new scale — 'Microsoft Cloud revenue increased 27% to $214.4 billion' and 'Commercial remaining performance obligation increased 84% to $678 billion.' Rated wide but held below full confidence because the same filing still cautions that 'Barriers to entry in many of our businesses are low.' | narrow Silicon Motion's edge is real but shared with Phison and exposed to its own customers. Phison's 2025 annual report lists 'Phison, Silicon Motion, ASolid, Jmicron, etc.' as 'The major suppliers of controller chips'. Tom's Hardware (2025-05-29) reports that over a dozen SSD makers, among them Micron, Adata, Crucial, Kingston and Lexar, adopted Silicon Motion's SM2508 for PCIe 5.0 drives. It says a high-end market 'dominated' by Phison's E26 had been a 'monopoly' that 'is about to end'. NAND makers buy its controllers as well: the FY2025 20-F names two of them, Kioxia and Micron, alongside PHISEMI and AFASTOR, as customers above 10% of 2025 revenue. Gross profit was 42.3%, 45.9% and 48.3% of net sales in 2023, 2024 and 2025 (20-F), and 50.2% in Q2 2026 (results release, 2026-07-30). Against that, the 20-F says 'All the major NAND flash makers also have internal captive sources of controllers' and 'In the past, our operating results were negatively affected when NAND flash customers chose to insource controllers'. It also says controller average selling prices 'have historically decreased over time'. Phison's report gives market share as 'Not applicable because there is no clear statistical data', and no independent share figure was found, so the rating is narrow, not wide. |
| Moat type | cost scale The FY2025 10-K states the mechanism outright, and it is a unit-cost curve rather than a user-to-user network: 'We have chosen to utilize this idle capacity to create a free tier of service which has generated substantial global scale for us. In turn, this scale makes us attractive partners for Internet Service Providers (ISPs) globally, which reduces our co-location and bandwidth costs. As our network grows, these dynamics become even more powerful.' The same section explains why the curve applies to every line rather than one: the architecture lets Cloudflare 'deploy standard, commodity hardware' and run 'every service on every server in every city', so a new product reaches 330+ cities at near-zero incremental capital. That is what lets the filing claim Workers is offered 'at prices that are highly competitive with public cloud vendors' while FY2025 GAAP gross margin still printed 74.5%. Switching costs (traffic routed through Cloudflare, DNS delegated to it) and threat-intelligence feedback from aggregate traffic sit on top, but the filing-stated primary source is cost falling as the network grows. | network effects The FY2026 10-K keeps the ecosystem passage scoped to the firm: 'An important element of our business model has been to create platform-based ecosystems on which many participants can build diverse solutions. A well-established ecosystem creates beneficial network effects among users, application developers, and the platform provider that can accelerate growth.' That remains the one moat mechanism the filing asserts about Microsoft as a whole; the cost-of-scale passage stays scoped to 'our cloud business'. | intangibles ip The advantage is controller and firmware know-how backed by patents, not lock-in. The FY2025 20-F says Silicon Motion has 'one of the broadest portfolios of controller intellectual property developed from our deep understanding of NAND characteristics'. It held '3,276 patents and 1,035 pending applications worldwide' as of April 7, 2026, and spent US$262.7 million on R&D in 2025; 1,837 of its 2,009 employees are engineers. It claims more NAND components from Kioxia, Micron, Samsung, SK Hynix, Sandisk and YMTC 'are supported by Silicon Motion controllers than any other company', a claim no outside source confirms. Switching costs are limited: Tom's Hardware (2025-05-29) lists drive makers moving to the SM2508 for their next-generation Gen5 SSDs, so customers can change controller suppliers between generations. In a Tom's Hardware interview (2026-06-16), Silicon Motion says its controller hardware is 'generally not customized' and that tailoring for each PC maker is done in firmware. |
| Leadership | clear leader Leadership is measured, not inferred. W3Techs on 2026-09-17 records an 85.0% reverse-proxy market share against 5.5% for Amazon CloudFront and 2.1% for Akamai, and makes Cloudflare the largest authoritative-DNS provider at 18.5% of all websites versus 9.9% for the next-placed GoDaddy Group. The FY2025 10-K reports the enterprise side moving the same way - 4,298 large customers at 2025 year-end against 3,497 a year earlier and 2,756 in 2023 - and the Q4/FY2025 results release (cloudflare.com/press/press-releases/2026/cloudflare-announces-fourth-quarter-and-fiscal-year-2025-financial-results/) cites the largest annual contract value deal in company history at about $42.5M per year. The band is for the application-services core the share data covers; in SASE and in serverless compute Cloudflare is a challenger to larger incumbents, and no independent placement naming Cloudflare in those markets was obtained for this profile. | co leader The FY2026 10-K asserts leadership nowhere. Its AI offerings 'compete with AI products from hyperscalers, as well as products from other emerging competitors and other open-source offerings, many of which are also current or potential partners' — one of a small set at hyperscale in cloud and AI, an incumbent in productivity and PC operating systems. | co leader Third-party sources treat Silicon Motion and Phison as rivals in merchant NAND controllers. Phison's 2025 annual report lists both, together with ASolid and JMicron, among 'The major suppliers of controller chips', and gives its own market share as 'Not applicable because there is no clear statistical data'. Tom's Hardware (2025-05-29) says Phison's E26 had dominated high-end PCIe 5.0 client SSDs until SM2508 drives from over a dozen makers arrived. Its 2026-06-16 interview says 'both Silicon Motion and its rival Phison posted record Q1 results'. In that interview Silicon Motion puts its worldwide client SSD controller share at 'approaching 30% to 32%' and its UFS plus eMMC share of the Android smartphone market at 'around 25% to 26%'. These are the company's own estimates, and no tracker confirms them. The 20-F also names Microchip and small Chinese merchant controller suppliers as competitors. The band is therefore co-leader, not leader. |
| Pricing power | moderate Evidence cuts both ways, which is why this is not the top band. For it: GAAP gross margin has never left a 74.5-78.7% band across FY2017-FY2025 (SEC XBRL fundamentals on this site) even as revenue compounded 16x, and the Q4/FY2025 results release (cloudflare.com/press/press-releases/2026/cloudflare-announces-fourth-quarter-and-fiscal-year-2025-financial-results/) shows customers committing more rather than less - RPO +48% year over year and new ACV up nearly 50%. Against it: FY2025's 74.5% is the lowest reading in that nine-year series, a large permanent free tier anchors the entry price, the 10-K positions Workers 'at prices that are highly competitive with public cloud vendors', and the competition risk factor warns that larger rivals can 'sell products and services with which we compete at zero or negative margins, offer fee waivers and reductions or other economic and non-economic concessions', with competitive pressure that 'may result in price reductions, fewer subscriptions, reduced revenue and gross margin'. | strong The FY2026 10-K reports 'Gross margin increased $31.6 billion or 16% with growth across each of our segments', with 'Microsoft 365 Commercial revenue ... mainly affected by a combination of continued installed base growth and average revenue per user expansion'. The honest caveat: gross margin percentage 'decreased slightly driven by continued investments in AI infrastructure and growing AI product usage', with Microsoft Cloud gross margin down to 66%. | moderate Margins have risen steadily. Gross profit was 42.3%, 45.9% and 48.3% of net sales in 2023, 2024 and 2025 (20-F). Gross margin was 50.2% in Q2 2026, and Q3 2026 is guided at 49.9% to 50.9% GAAP (results release, 2026-07-30). The 20-F credits 2025's gain 'primarily' to 'new projects and our ability to efficiently scale new products'. But it also says controller average selling prices 'have historically decreased over time'. It says the company may be forced to cut prices 'in response to new product introductions by our competitors', and that it gives large customers 'volume-related, price-discount incentives'. On SSD solutions, which contain NAND, it has 'limited ability to mark-up the cost of NAND flash components'. In the 2026 shortage, the company told Tom's Hardware (2026-06-16) that controller revenue grew because demand shifted to high-end controllers 'with higher ASPs', which more than made up for weaker low-end sales. |
| Summary | Cloudflare sells security, performance and connectivity as services delivered from one global anycast network rather than from boxes at a customer's edge. The FY2025 10-K frames the market as a consolidation away from enterprises that 'string together a diverse set of on-premises hardware boxes from different vendors' and away from 'stringing together multiple point-cloud solutions that only address specific network needs', toward one integrated provider it calls the Connectivity Cloud, and places Cloudflare as 'a leader in this Connectivity Cloud category'. The economics are unusual: idle capacity funds a free tier, the free tier buys global traffic scale, that scale makes Cloudflare a peering partner ISPs want, and peering cuts colocation and bandwidth cost - a loop the filing says 'become[s] even more powerful' as the network grows. Independent measurement confirms where that loop has already settled the market: W3Techs on 2026-09-17 shows an 85.0% reverse-proxy share and the largest authoritative-DNS footprint at 18.5% of all websites. Commercially the company ended 2025 with roughly 332,000 paying customers in more than 190 countries and 4,298 large customers, up from 2,756 two years earlier, with no customer above 10% of revenue. The contested half of the story is the growth half: the SASE platform competes with established cloud-security, email-security and SD-WAN vendors, and the developer platform competes for storage and compute against hyperscalers, markets where the 10-K's own risk factors concede rivals have greater name recognition, larger customer bases and 'more mature products and services developed for large customers'. The core is defended; the adjacencies are being fought for, and FY2025 gross margin at a nine-year low of 74.5% is the first visible cost of building GPU capacity for that fight. | One repeated model across segments — build a platform, attract developers and partners, monetize the ecosystem that forms — now compounding through the AI wave: FY2026 revenue rose 18 percent 'driven by growth in Microsoft Cloud', Azure and other cloud services grew 41 percent, and the commercial remaining performance obligation reached $678 billion, while the filing still concedes low barriers to entry in many businesses. | Silicon Motion is a fabless designer of NAND flash controllers. Its customers are NAND flash makers, module makers, hyperscalers and OEMs. Revenue rose 10% to US$885.6 million in 2025 (20-F). SSD controllers were 45% to 50% of 2025 net sales, eMMC and UFS controllers 40% to 45%, and SSD solutions 0% to 5%. Its five largest customers were approximately 66% of 2025 revenue, and 79% of revenue came from sales in China, Japan and Singapore. The 2026 NAND shortage lifted Q2 2026 net sales to $451.0 million, up 127% Y/Y (results release, 2026-07-30). The company told Tom's Hardware (2026-06-16) that it gained because PC makers short of NAND turned to module makers, and 'most module makers use our controllers'. In merchant controllers, Phison's annual report names it alongside Phison among the major suppliers, and Tom's Hardware calls Phison its rival, but every major NAND maker also has its own captive controllers (20-F). Its growth bets are MonTitan enterprise SSD controllers, whose shipments were set to begin in Q2 2026 per TrendForce (2026-04-29), and Ferri and boot-drive storage solutions. In the enterprise SSD market, TrendForce's 2Q26 top five brands are all NAND makers. |
| Chain position | Cloudflare sits between end users and whatever hosts the application - origin data centre, public cloud or SaaS - so it is a control layer in front of infrastructure rather than infrastructure a workload runs on, which the 10-K argues is the point: customers 'concerned about being locked in to any one public cloud provider' want policy enforced by 'an independent and integrated services provider'. Two AI-era roles follow from that position. As a supplier, the filing describes 'ongoing deployment of graphics processing units (GPUs) across our global network of servers' behind Workers AI, Vectorize and AI Gateway, putting inference next to the user instead of in a region. As a gatekeeper, the application-services suite now exists in part to 'easily identify, block and control access from AI crawlers and AI agents and operators' and underpins announced efforts to let content creators monetise how those crawlers reach their work - which makes Cloudflare a toll point between AI model builders and the open web. | Hyperscale AI-infrastructure buyer and platform distributor: monetizes upstream compute through Azure, Microsoft 365 Copilot, and the developer ecosystem. | Fabless merchant NAND controller designer. It sends its designs to independent foundries (Tom's Hardware says the SM2508 is made on TSMC's N6) and sells controllers to NAND makers such as Micron and Kioxia, to module makers and to OEMs. NAND makers are both among its largest customers and, through their in-house controllers, its competitors. |
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| Long-horizon vote | +0.38 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.35 at weight 0.20 · swarm bullish Editorial prior, not backtested. | +0.13 at weight 0.20 · swarm neutral Editorial prior, not backtested. |