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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 Cloudflare×Winbond Electronics×Semtech× maximum of 3 — remove one to swap
Cloudflare NET ai moat: latest change 2026-02-26 Winbond Electronics 2344.TW ai moat: latest change 2026-09-14 Semtech SMTC ai moat: latest change 2026-03-23
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.'

source: sec.gov

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).

source: trendforce.com

narrow

Semtech’s FY2026 10-K (fiscal year ended January 25, 2026) supports a narrow moat and no more. On the durable side, it owns the LoRa® radio franchise - “our LoRa® devices and wireless radio frequency technology” - which IoT Analytics’ LPWAN Market 2024 release (https://iot-analytics.com/wp-content/uploads/2024/03/INSIGHTS-RELEASE-LPWAN-Market-2024.pdf) ranks first outside China at 41% of LPWAN connections, and it argues that scarce analog talent “has historically made it more difficult for new suppliers in the analog market to quickly develop products and gain significant market share.” On the limiting side, the same filing says its patents do not “create definitive competitive barriers to entry”, that average selling prices “have historically decreased rapidly”, that some customers “can stop incorporating our products into their own products with limited notice to us and suffer little or no penalty”, and that customers in China (including Hong Kong) were 47% of fiscal 2026 net sales. The record is uneven: its income statement shows gross profit of $296,250 thousand on net sales of $868,758 thousand in fiscal 2024, $456,528 thousand on $909,287 thousand in fiscal 2025 and $542,144 thousand on $1,049,975 thousand in fiscal 2026, and the 10-K says difficulties “have adversely impacted” its ability to realise the benefits of the Sierra Wireless acquisition.

source: sec.gov

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.

source: sec.gov

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'.

source: trendforce.com

intangibles ip

The defensible assets the 10-K describes are intellectual: the LoRa® radio technology, analog and mixed-signal design expertise - “The development of IP and the resulting proprietary products is a critical success factor for us” - and 303 U.S. and 541 foreign patents. The filing itself discounts the patent part (“we do not believe they create definitive competitive barriers to entry”), which leaves the moat in proprietary technology and scarce design know-how rather than in scale or lock-in: Semtech outsources most manufacturing, sold 74% of fiscal 2026 net sales through independent distributors, and its customer agreements “do not require them to purchase a minimum quantity of our products”.

source: sec.gov

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.

source: sec.gov

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.

source: trendforce.com

fast follower

LoRa, the technology Semtech owns, leads outside China; elsewhere Semtech is contesting the front rank. IoT Analytics’ March 21, 2024 release states “When excluding all LPWAN data from China, LoRa has the leading share of global LPWAN connections at 41%—more than double NB-IoT’s share”, though “Globally, NB-IoT has the largest share of LPWAN connections at approximately 54%” and “LoRa’s share of LPWAN connections is decreasing”. In data-center optics, management said on the fiscal Q2 2027 call (TradingKey machine transcript, https://www.tradingkey.com/news/transcripts/262131465-tradingkey) that at “800 gig, we had the market share about 18%. So over the 2 years, we have grown the market share well over 50% for 800 gig”, a company figure; an independent September 2024 newsletter (Deep Fundamental) had instead named Marvell and MACOM “the dominant players” in drivers and TIAs and said Semtech “has struggled to keep pace since the transition to 200G”. A third-party lead measured at the technology level rather than as Semtech’s own share, a company-reported share that the only independent view contradicts, and no ranking for its other lines do not evidence co-leadership, so the band is fast follower.

source: sec.gov

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'.

source: sec.gov

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'.

source: trendforce.com

moderate

The 10-K describes a market where prices fall: “In the past, we have reduced the average selling prices of our products in anticipation of future competitive pricing pressures”, and Semtech’s products “are typically differentiated in performance but are priced competitively”. Margins have nonetheless climbed with the data-center mix: the fiscal Q2 2027 release (https://www.sec.gov/Archives/edgar/data/0000088941/000008894126000028/smtc-07262026x8k991.htm) reports GAAP gross margin of 53.8% against 52.1% a year earlier and guides fiscal Q3 adjusted gross margin to 58.3% +/- 100 bps, or 63.9% excluding the business held for sale. The release does not separate price from mix.

source: sec.gov

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.

Semtech is an analog and mixed-signal chipmaker being reshaped around two franchises. The first is AI data-center connectivity in its Signal Integrity segment - FiberEdge TIAs and drivers for optical transceivers and CopperEdge redrivers for active copper cables - whose net sales the FY2026 10-K reports at $322,608 thousand in fiscal 2026 against $177,033 thousand in fiscal 2024; the March 2026 HieFo acquisition added foundries that make devices for data-center interconnects. The second is LoRa, the long-range, low-power radio that IoT Analytics ranks as the leading LPWAN technology outside China. Around them sit protection devices, sensing and power products, and the IoT Systems business inherited from Sierra Wireless, whose cellular-module unit Semtech has agreed to sell to Compal Electronics for US$62 million (ABI Research, September 9, 2026, https://www.abiresearch.com/market-research/insight/7788486-compal-electronics-takes-semtechs-mantle-t). Momentum is strong: the fiscal Q2 2027 release reports record net sales of $341.9 million, up 33% year over year, and management said data-center revenue hit a record $100 million in the quarter. But the 10-K is frank about limits - rapid ASP erosion, customers that can drop its parts with little notice, 47% of sales to China, competitors that are “much larger and better resourced than we are”, and patents that do not bar entry. Proprietary technology in two growing niches, rather than a locked-in customer base, makes the moat narrow.

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.

Semtech sells mostly through independent distributors (74% of fiscal 2026 net sales) to OEMs. In AI data centers its FiberEdge and CopperEdge parts go into the optical transceivers and active copper cables that module and cable makers build, and the 10-K says hyperscale cloud providers “are generally our indirect customers”. Two customers took 14% and 11% of fiscal 2026 net sales, and customers in China (including Hong Kong) 47%.

Products (share / barrier)
Long-horizon vote +0.38 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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+0.05 at weight 0.20 · swarm bullish

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+0.06 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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