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 | Winbond Electronics | Arista Networks | |
|---|---|---|---|
| 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.' | narrow An independent ranking puts Winbond first in NOR Flash, and that lead is set to widen. But most of its revenue comes from cyclical memory, and its returns collapse in downturns. TrendForce (2026-09-14) calls Winbond the NOR Flash 'market leader' and GigaDevice 'second-ranked'. TrendForce News (2026-09-17) says the planned purchase of Infineon's NOR Flash and F-RAM business is 'expected to raise its combined NOR Flash market share to approximately 34%'. Winbond expects that deal to close in the second half of 2027. The trough shows the limits. Winbond reported consolidated gross margin of 29% and earnings per share of NT$0.14 for 2024, and 35% and NT$0.88 for 2025. The 2Q26 margin of 66.2% came as blended ASP in its Customized Memory Solution line 'increased by approximately 100% QoQ', during an industry-wide rise in DRAM contract prices (TrendForce, 2026-09-07). | 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'. |
| 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. | cost scale The advantage is manufacturing scale and process in NOR. Winbond runs two 12-inch fabs, in the Central Taiwan Science Park and in Kaohsiung (2026-09-16 release). TrendForce (2026-09-14) expects 'market leader Winbond' to 'post the strongest bit growth in 2026'. It credits 'the full ramp-up of 45nm NOR products' and moves to 25nm and 20nm, which mean 'NOR bit output per wafer is rising significantly' even though wafer starts rise only modestly. The same report says any new industry capacity must first pass 'process migrations, yield ramp-ups, product qualification, and customer design-in'. The advantage is thinner at low densities: for products of 128Mb and below, 'additional capacity from Chinese suppliers is gradually coming online'. | 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'. |
| 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 Winbond leads one market and trails in the other. In NOR Flash, TrendForce (2026-09-14) names it 'market leader', ahead of 'second-ranked GigaDevice' and MXIC. Winbond's own 2025 results call it the 'worldwide No.1 NOR Flash supplier'. DRAM is now its largest line. There, TrendForce's 2Q26 ranking (2026-09-07) gives Samsung 39.4%, SK hynix 24.9% and Micron 23.3%, and puts Winbond's revenue at $998 million, below Nanya's $2.612 billion. The band weighs NOR leadership against a small DRAM position. | 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. |
| 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'. | weak Winbond's prices follow the industry cycle more than its own choices. Consolidated gross margin was 29% in 2024, 35% in 2025, 53.4% in 1Q26 and 66.2% in 2Q26 (company releases). TrendForce (2026-09-14) reports that NOR Flash contract prices 'rose by a cumulative average of 100–120% in the first half of 2026' across the industry. Customers are also committing early. TrendForce News (2026-08-07, citing MoneyDJ) reports that 'customers are seeking to sign long-term agreements (LTAs) covering capacity beyond 2028'. | 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'. |
| 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. | Winbond is a Taiwanese memory maker with two 12-inch fabs. Its consolidated results include Nuvoton Technology and a Logic IC product line. In 2Q26 the Customized Memory Solution line (specialty DRAM) was 53% of revenue, Flash 33% and Logic IC 13%. For 2025 the split was Flash 35%, Logic IC 34% and CMS 29%. In NOR Flash, TrendForce ranks Winbond the market leader. On 2026-09-16 Winbond agreed to buy Infineon's NOR Flash and F-RAM business for a base price of US$1.12 billion. The business will be renamed Spansion, and closing is expected in the second half of 2027, subject to regulatory approvals. In DRAM, Winbond is a small mature-process supplier. TrendForce puts its 2Q26 DRAM revenue at $998 million, against an industry total of nearly US$154.73 billion. It says Winbond gains from 'demand that the three major suppliers can no longer fully serve' as they move to advanced processes. The memory upcycle has transformed results. Consolidated gross margin rose from 29% in 2024 to 66.2% in 2Q26. January to September 2026 revenue was NT$180.43 billion, up 187.39%. TrendForce News (2026-08-07) reports that customers want long-term agreements covering capacity beyond 2028. It also reports that Winbond plans to lift Kaohsiung DRAM capacity from 15,000 to 24,000 wafers a month by year-end. The verdict is a narrow moat. Winbond leads NOR on scale, and the Infineon deal should widen that lead, but its specialty-DRAM business rises and falls with the industry cycle. | 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. |
| 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. | Upstream supplier of NOR Flash, SLC NAND and specialty DRAM to makers of communication, consumer, automotive and industrial, and computer products (29%, 28%, 28% and 15% of 2Q26 memory revenue). Its buyers increasingly include AI server racks, which its president says may each use 500 to 600 NOR Flash chips. | Networking layer of the AI datacentre; two customers were 26% and 16% of fiscal 2025 revenue and Broadcom supplies the switching silicon. |
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| Long-horizon vote | +0.38 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.05 at weight 0.20 · swarm bullish Editorial prior, not backtested. | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. |