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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 Dell Technologies×KLA Corporation×Vistra× maximum of 3 — remove one to swap
Dell Technologies DELL ai moat: latest change 2026-03-16 KLA Corporation KLAC ai moat: latest change 2026-08-06 Vistra VST ai moat: latest change 2026-08-06
Moat rating narrow

The FY2026 10-K describes advantages that are real but shallow, and a revenue mix that is diluting them. It names them as 'our end-to-end solutions portfolio, go-to-market capabilities, supply chain, and global services' and calls the direct sales channel 'a significant competitive advantage', while conceding it faces 'ongoing product and price competition in all areas of our business from both branded and generic competitors' and, on components, that 'any disruption that may occur because of our dependence on single- or limited-source vendors would not disproportionately disadvantage us relative to our competitors' - i.e. no differentiated supply position. The filing's own margin table shows where the franchise actually earns: total gross margin fell from 23.8% of net revenue in Fiscal 2024 to 22.2% in Fiscal 2025 to 20.0% in Fiscal 2026, and inside that, product gross margin fell 17.5% to 15.8% to 13.7% while services gross margin rose 40.8% to 41.4% to 44.8%. Narrow rather than none, because the high-margin services and storage core is intact and its margin rate improved; narrow rather than wide, because the line that is growing carries a 13.7% product gross margin and the filing attributes the whole decline to it.

source: sec.gov

wide

The fiscal 2026 10-K states 'The strength of our competitive positions in many of our existing markets is primarily due to our leading technology', and frames process control as 'an essential enabler' of the yield ramp in fabs the filing says now cost 'well above $10 billion'.

source: sec.gov

narrow

The 10-K states that "the majority of our facilities operate as “merchant” facilities without long-term power sales agreements" and that Vistra is "not guaranteed any rate of return on our capital investments". Against that, the scarcity is real: six NRC-licensed nuclear units totalling 6,448 MW, licences running 2036-2053, inside a 43,641 MW fleet, plus 20-year PPAs with AWS (1,200 MW) and Meta (2,609 MW). The 2025 gas additions - Lotus (2,600 MW, closed October 2025) and pending Cogentrix (5,500 MW) - extend the merchant gas side, not the nuclear scarcity. Only the 433 MW of uprates extends the moat asset.

source: sec.gov

Moat type cost scale

The filing locates the advantage in scale of distribution and supply, not in proprietary rights. It states 'Our world-class supply chain operates at significant scale', describes a direct sales force plus a partner network that produced 'approximately 40% of our net revenue' in Fiscal 2026, and lists supply chain and global services among its competitive advantages. The IP alternative is ruled out in the same document: with 25,859 granted patents held at January 30, 2026, Dell still says 'we are not substantially dependent on any single patent or group of related patents.'

source: sec.gov

intangibles ip

The 10-K reports over 9,100 active patents and over 3,600 pending applications with terms running through 2045, alongside proprietary process-control software (Klarity, I-PAT, aiSIGHT) that turns inspection and metrology data into yield learning.

source: sec.gov

intangibles ip

The intangibles are non-replicable regulatory assets rather than patents: six nuclear licences (Comanche Peak 2050/2053, Perry 2046, Davis-Besse 2037, Beaver Valley 2036/2047), fuel "contracted to support all our refueling needs through 2030", section 45U credits "recognizing the value of existing carbon-free nuclear power", and TXU Energy, sold "for over 20 years" and "registered and protected by trademark law". Read 45U as a floor, not moat strength: the 2025 credit was $220m against $545m in 2024, and it "provides increasing levels of support as unit revenues decline". Efficient scale does not apply.

source: sec.gov

Leadership co leader

The 10-K's only positioning claim is the unquantified 'Dell Technologies is a leader in the global technology industry'; it names no competitor and gives no share anywhere. The band therefore rests on disclosed absolute scale - ISG net revenue of 60,826m and CSG net revenue of 50,984m in Fiscal 2026, operations in over 170 countries - set against the filing's own admission that hyperscale Infrastructure-as-a-Service buyers 'often buy their infrastructure directly from original design manufacturers', which caps how much of the market Dell can lead at all.

source: sec.gov

clear leader

The 10-K opens by describing KLA as a supplier of 'industry-leading equipment and services' and attributes its competitive positions 'in many of our existing markets' primarily to leading technology; named competitors are Applied Materials, ASML, Hitachi High-Tech, Lasertec and Onto Innovation.

source: sec.gov

co leader

Vistra describes itself as "one of the largest producers of power in deregulated markets in the U.S." with over 230 TWh generated, "one of the largest competitive power generators in the U.S. as measured by MWh of generation capacity", "one of the largest electricity generators in the U.S.", and "one of the largest competitive residential retail electricity providers". That hedged phrasing appears four times and is the strongest claim the filing makes. The 10-K names no competitor and assigns no rank, so co-leader is the ceiling the disclosure supports.

source: sec.gov

Pricing power weak

The filing describes price-taking and its own tables confirm it. It reports 'ongoing product and price competition in all areas of our business from both branded and generic competitors' and says 'We closely monitor market pricing, including the effect of foreign exchange rate movements, in an effort to provide the best value for our customers.' Total gross margin fell from 23.8% of net revenue in Fiscal 2024 to 22.2% in Fiscal 2025 to 20.0% in Fiscal 2026, with product gross margin down to 13.7%; CSG operating margin fell three straight years (7.6%, 6.1%, 5.6% of segment revenue); and non-GAAP operating income as a percentage of net revenue 'decreased 10 basis points to 8.8%' even as revenue grew 19%. Consolidated operating margin did rise 70 basis points to 7.2%, but the filing credits a lower operating expense rate for that, not price.

source: sec.gov

strong

Services were approximately 23% of fiscal 2026 total revenues on an installed base that recurs, backlog nearly doubled to $12.57 billion, and SEC-reported net income was 35.6% of revenue in fiscal 2026 with operating income at 41.2% of revenue in fiscal 2025.

source: sec.gov

weak

Vistra is a merchant price taker. Price formation rests on "the highest variable cost unit that clears the market", prices are "unpredictable and may fluctuate substantially", hedging markets have "limited liquidity after two to three years", and competing retailers "may offer different products, lower electricity prices and other incentives". ERCOT's $2,000/MWh figure is the low system-wide offer cap, applied conditionally when the peaker net margin exceeds three times CONE or under the PUCT Emergency Pricing Program, not a standing cap. PJM has "announced that it would propose" extending its capacity cap to 2028-29 and 2029-30, subject to FERC approval.

source: sec.gov

Summary

The AI-server line is enormous and it is not a moat - the FY2026 10-K says so in its own margin bridge. AI-optimized servers net revenue went 1,873m in Fiscal 2024 to 9,286m in Fiscal 2025 to 24,683m in Fiscal 2026 (+396% then +166%), lifting total ISG revenue to 60,826m (+40%). Over the same year ISG operating income as a percentage of segment revenue fell 110 basis points to 11.7% 'due to a decline in gross margin rate that outpaced the decline in operating expense rate. Gross margin rate decreased primarily as the result of a shift in mix towards our AI-optimized servers offerings', and the Fiscal 2027 outlook repeats the expectation of 'margin rate pressure resulting from a continuing shift in mix towards our AI-optimized servers offerings'. The cleanest test of pass-through is the filing's product-versus-services split: product net revenue grew 27% to 90,405m at a 13.7% gross margin (down from 15.8% and 17.5%), while services net revenue fell 4% to 23,133m at a 44.8% gross margin. The AI boom arrived entirely as thin product revenue and did not pull the profitable services book along with it. What Dell adds is described plainly as integration: it uses contract manufacturers, buys components from suppliers and 'subsequently sell[s] those components to the manufacturer', and its own 'manufacturing process consists of assembly, software installation, functional testing, and quality control'. The bypass is named too: 'We also face competition from non-traditional IT companies, including large Infrastructure-as-a-Service providers, that often buy their infrastructure directly from original design manufacturers. Competitive pressures could increase if customers choose to move existing workloads to these providers.' What survives as a moat is the part an ODM cannot sell an enterprise: a direct sales force and account teams, a global service and support footprint whose gross margin rate is still rising, storage that held revenue within 3% of flat through the whole mix shift, and Dell Payment Solutions financing that produces multiyear recurring arrangements.

KLA sells the inspection, metrology and yield-management layer a fab must run to reach volume production: the 10-K says accelerating the yield ramp ahead of competitors is critical to chipmakers' profitability, and backlog nearly doubled from $7.86 billion to $12.57 billion in the year to June 30, 2026 'due to strong demand driven by the AI infrastructure buildout'.

Vistra's moat is one scarce asset wrapped in a commodity business. Six NRC-licensed nuclear units - 6,448 MW, licences running 2036-2053 - sit inside a 43,641 MW fleet that the 10-K says operates in the majority as "merchant" facilities with no long-term power sales agreements and no guaranteed rate of return. That block cannot be rebuilt by a rival, and is now partly de-risked by 20-year PPAs with AWS (1,200 MW from Comanche Peak) and Meta (2,609 MW from the PJM plants) plus section 45U credits. Everything else - 26,989 MW of gas, 8,743 MW of coal, the 5m-customer retail book - competes on price in markets Vistra does not set, against entrants the filing says keep building "despite relatively low power prices". The 2025 growth was gas M&A (Lotus, pending Cogentrix), which widens the commodity-exposed side. Narrow, for a specific reason: the moat is 15% of the fleet.

Chain position

Integrator between accelerator and component suppliers and enterprise or sovereign buyers: the 10-K says Dell purchases components from suppliers, sells them on to contract manufacturers, and performs 'assembly, software installation, functional testing, and quality control', then reaches customers through a direct sales force and a partner network that generated about 40% of Fiscal 2026 net revenue.

Sits beside the process steps rather than in them — it measures and inspects what deposition, etch and lithography produce, and TSMC alone exceeded 10% of revenue in each of the last three fiscal years.

Merchant IPP: sells energy, capacity and ancillary services into ISO/RTO spot and short-term wholesale markets (ERCOT, PJM, ISO-NE, NYISO, CAISO, MISO) and resells to ~5m retail customers. Emerging role as long-term nuclear offtake supplier to hyperscalers (AWS, Meta). Not a price setter at any link.

Products (share / barrier)
  • Metrology (Archer overlay, SpectraFilm, SpectraShape, Therma-Probe) Top 3 · Deep source: sec.gov
  • PCB and Component Inspection (Orbotech direct imaging, ICOS) Unknown · Moderate source: sec.gov
  • Reticle and mask inspection (Teron, TeraScan, LMS IPRO) Top 3 · Deep source: sec.gov
  • Semiconductor process-control software (Klarity, I-PAT, aiSIGHT, 5D Analyzer) Unknown · Moderate source: sec.gov
  • Specialty Semiconductor Process (SPTS etch, deposition and plasma dicing) Niche · Moderate source: sec.gov
  • Wafer defect inspection and review (Surfscan, Puma, eSixx, eDR7xxx, Voyager) Leader · Deep source: sec.gov
  • Coal and lignite generation fleet Unknown · Low source: sec.gov
  • Long-term large-load / data-centre power offtake (AWS and Meta PPAs) Unknown · Deep source: sec.gov
  • Natural gas generation fleet (CCGT and peaking) Unknown · Low source: sec.gov
  • Nuclear generation fleet (Comanche Peak, Perry, Davis-Besse, Beaver Valley) Unknown · Deep source: sec.gov
  • Retail electricity and natural gas (TXU Energy, Ambit, Dynegy Energy Services, Homefield, Energy Harbor, U.S. Gas & Electric) Unknown · Low source: sec.gov
  • Vistra Zero - solar and battery energy storage Unknown · Low source: sec.gov
Long-horizon vote +0.05 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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+0.42 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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+0.05 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

see exactly how it voted →