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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 Everpure, Inc.×SanDisk×Corning× maximum of 3 — remove one to swap
Everpure, Inc. P ai moat: latest change 2026-03-25 SanDisk SNDK ai moat: latest change 2025-08-21 Corning GLW ai moat: latest change 2026-02-12
Moat rating narrow

The FY2026 10-K shows a technology edge that does not dominate its market. On the durable side, the filing states "Our extended advantage stems from three technology differentiators" (direct-to-NAND software, integrated DirectFlash modules and flash-management capabilities), reports over 14,500 customers including "approximately 64% of Fortune 500 companies" and a certified Net Promoter Score of 84, and its income statement shows gross profit of $2,021.2M on $2,830.6M of revenue in FY2024, $2,212.7M on $3,168.2M in FY2025 and $2,578.0M on $3,662.8M in FY2026. On the limiting side, the same filing describes "the intensely competitive data storage market", says many rivals have "substantially greater financial, technical and other resources" and "larger and more mature intellectual property portfolios", and concedes that incumbents keep accounts partly because the customer worries about "actual or perceived costs of switching to a new vendor and technology". IDC's 1Q26 tracker (cited on the array row below) ranks Everpure third, behind Dell and NetApp. A real, technology-based edge held by the number-three vendor is a narrow moat, not a wide one.

source: sec.gov

narrow

Narrow rather than wide: the FY2025 10-K Competition section opens 'Our industry is highly competitive' and names five vertically integrated flash rivals (Kioxia, Micron, Samsung, SK Hynix, Yangtze Memory), while Item 1A concedes SanDisk's products 'are designed to be largely interchangeable with competitors' products' in a market 'often subject to declining average selling prices'. It is not 'none', because the same filing discloses a genuinely durable consumer franchise and roughly 7,900 granted patents.

source: sec.gov

narrow

Corning's FY2025 Form 10-K (filed 12 February 2026) documents real protection in two places and hedges everywhere else. In Display it states flatly that 'We are the largest worldwide producer of glass substrates for flat panel displays' and credits a 'proprietary fusion manufacturing process, which we invented and is the cornerstone of our technology leadership in the display glass industry'; in Optical Communications it says 'We maintain a leadership position in the segment's principal product groups, which include carrier and enterprise networks'. But the Competition section opens on a company-wide concession - 'Some of these competitors are larger than we are, and some have broader product lines' - and closes that opening paragraph with 'There is no assurance that we will be able to maintain or improve our market position or competitive advantage', a hedge set over the five per-segment paragraphs that follow, the last of which has Life Sciences facing 'competition from large distributors that have pursued backward integration or introduced private label products'. In optical it expects 'industry consolidation, pricing pressure and competition for the innovation of new products' to persist. The risk factors add that Optical Communications and Display 'generate a significant amount of the Company's profits and cash flow' and are 'subject to pricing pressure', while the customer base is concentrated enough that customers 'may possess substantial leverage in negotiating contractual obligations' - the filing's own table puts two combined end customers at 28% of 2025 Optical Communications segment net sales, three at 59% of Display, two at 43% of Specialty Materials and three at 61% of Automotive. Protection that is genuine but confined to part of the portfolio, held against named larger rivals and customers with that much leverage, is narrow rather than wide.

source: sec.gov

Moat type intangibles ip

The FY2026 10-K puts the source of advantage in proprietary technology. It names the differentiators as "Direct-to-NAND Software Leadership", "Integrated Hardware–Software DirectFlash Modules" and "Next-Generation Flash Management Capabilities", explains that because its flash-management software "requires less NAND" it avoids SSD over-provisioning, and states that the QLC benefits of FlashArray//C "are only achievable through our DirectFlash integrated hardware and software approach". The company holds "over 3,000 issued patents and patent applications". That technology, not customer lock-in, is what Everpure credits for its hyperscaler design wins. Evergreen's non-disruptive upgrades add a retention layer, but the 10-K's own risk factors show that switching costs mostly favour the incumbents Everpure is displacing, and that rivals hold "larger and more mature intellectual property portfolios" - so the edge is a specific flash-management technique rather than portfolio breadth.

source: sec.gov

intangibles ip

The only hard-to-replicate assets the filing actually claims are intangible: it reports 'a strong position in the Consumer end market' with 'significant consumer brands and franchises globally, with valuable patent portfolios containing approximately 7,900 granted patents and approximately 3,200 pending patent applications worldwide', and adds that non-patented IP, 'particularly some of our process technology, is an important factor in our success'. Cost-scale is the wrong label because the manufacturing scale sits in Flash Ventures, a 49.9%-owned JV co-owned with Kioxia, not in a proprietary fab base.

source: sec.gov

intangibles ip

What the filing keeps pointing at is invented process technology and the patent estate fencing it, not a network and not raw size. The FY2025 10-K repeats 'Patent protection is important to the segment's operations' word for word in four of its five reportable segments - Optical Communications, Specialty Materials, Automotive and Life Sciences - and gives Display a stronger variant, 'Patent protection and proprietary trade secrets are important to the Display segment's operations'. It reports about 11,375 unexpired patents owned worldwide at the end of 2025 (about 4,015 of them U.S.), about 370 U.S. and over 970 non-U.S. grants during 2025 and about 5,650 applications in process, and states 'We have historically enforced, and will continue to enforce, our intellectual property rights.' The single clearest asset is a process rather than a product - the fusion draw Corning says it invented and calls the cornerstone of its display-glass technology leadership, guarded in Display by 'proprietary trade secrets'. Even the cost advantage the filing claims in optical is sourced back to the same place: 'Our large-scale manufacturing experience, fiber process, technology leadership and intellectual property provide cost advantages relative to several of our competitors' - scale is described there as a consequence of the process, not the origin of the advantage, which is why this is an IP-and-know-how moat rather than a cost-scale one. The estate is broad rather than cliff-edged: 'no one patent is considered material to any segment', and about 740 worldwide patents, 6.5% of the portfolio, expire between 2026 and 2028.

source: sec.gov

Leadership fast follower

IDC's 1Q26 Worldwide Quarterly Enterprise Storage Systems Tracker, as reported by Blocks & Files on 2026-06-16 (the source of the array row below), ranks Everpure third in external enterprise storage behind Dell and NetApp and ahead of Huawei and HPE, noting "Everpure moved into third position helped by subscription model adoption and AI-optimized platforms." By the company's own account it ranks higher on the qualitative axis: its Q2 FY2027 results release of 2026-08-26 (https://s21.q4cdn.com/687136699/files/doc_financials/2027/q2/Q2FY2027-Earnings-Press-Release.pdf) reports it was "Named a Leader in the 2026 Gartner® Magic Quadrant™ for Enterprise Storage Platforms, positioned highest in execution and furthest in vision for the second consecutive year" - the company's own summary of Gartner's opinion. Third by IDC's independent revenue ranking, with the higher Gartner placement resting on the company's own account, reads as a close follower to Dell and NetApp rather than a shared lead.

source: sec.gov

at parity

At parity, not ahead: the 10-K Competition section positions SanDisk against vertically integrated suppliers Kioxia, Micron, Samsung, SK Hynix and Yangtze Memory, and Item 1A concedes its products are 'designed to be largely interchangeable with competitors' products'. Its explicit leadership claims are brand- and consumer-scoped ('industry leading consumer brand awareness and global retail distribution presence'), not technology- or share-scoped.

source: sec.gov

clear leader

The FY2025 10-K makes exactly one unqualified rank claim and it is Display: 'We are the largest worldwide producer of glass substrates for flat panel displays', with only AGC Inc. and Nippon Electric Glass Co., Ltd. named as principal competitors. The second-strongest claim is Optical Communications' - 'We maintain a leadership position in the segment's principal product groups, which include carrier and enterprise networks' - asserted against Amphenol, Fujikura and its subsidiary America Fujikura Ltd., Sumitomo and Prysmian Group S.p.A. Those two lines carry the company: Optical Communications was 38% of total segment net sales in 2025 and Display 23%, and the segment table credits them with $1,048 million and $993 million respectively of the $2,747 million of reportable-segment net income. The band is a company-level judgment weighted to them, and it does not extend across the portfolio - Automotive claims only 'a strong market position', and Life Sciences describes itself as 'a leading developer, manufacturer and global supplier of laboratory products for over 110 years' while competing against the much larger Thermo Fisher Scientific Inc. and Danaher Corporation on $972 million of 2025 sales.

source: sec.gov

Pricing power moderate

It can pass costs through but not escape them. The 10-K's income statement reports gross profit of $2,021.2M, $2,212.7M and $2,578.0M on revenue of $2,830.6M, $3,168.2M and $3,662.8M for FY2024-FY2026. When component costs rose, the 10-K says "we raised our prices during the first quarter of fiscal year 2027", and the Q2 FY2027 results release (https://s21.q4cdn.com/687136699/files/doc_financials/2027/q2/Q2FY2027-Earnings-Press-Release.pdf) quotes the CFO: "Demand remains strong across our solutions portfolio despite historic industry price increases in the first half of FY'27." Those were industry-wide increases, though, and margin still slipped: GAAP gross margin was 68.4% in Q2 FY2027, against gross profit of $604.3M on $861.0M of revenue a year earlier. The 10-K adds that "ongoing component cost volatility has placed, and may continue to place, downward pressure on our gross margins" and that some competitors offer storage "at significant discounts or even for free".

source: sec.gov

weak

A price taker. The 10-K describes an industry 'often subject to declining average selling prices' and warns that competitors 'may utilize pricing strategies, including offering products at prices at or below cost, that we may be unable to competitively match'. Gross margin swung from 7.1% (FY2023) to 16.1% (FY2024) to 30.1% (FY2025) on the cycle rather than on sustained pricing, and FY2025 Consumer ASP per gigabyte still fell 7% 'due to pricing pressure'.

source: sec.gov

moderate

The FY2025 10-K shows prices being raised and sticking, and in the same breath shows what caps them. The results table puts gross margin at 36% of net sales in 2025 against 33% in 2024, and MD&A attributes the three-point gain to 'higher volume and the impact of actions taken by management to improve profitability, including raising prices, reducing costs and increasing productivity.' Display is the cleanest case: after resetting its core rate from 107 to 120 Japanese yen to the dollar, 'we implemented pricing actions in the second half of 2024', and 'The effects of the price increases on slightly higher volumes in 2025, compared to the prior period, substantially offset the impact of resetting the core rate.' The ceiling is disclosed in the same document: Optical Communications and Display are 'subject to pricing pressure', concentrated customers 'may possess substantial leverage in negotiating contractual obligations', and a risk factor warns that 'Increasing our prices to our customers may cause certain of our customers to push out, cancel or refrain from purchasing our products'. Price that holds on the back of rising volume, against customers that concentrated, is moderate rather than strong.

source: sec.gov

Summary

Everpure (renamed from Pure Storage) sells all-flash storage built on one design choice it has pursued since FlashArray, which the FY2026 10-K calls "the industry's first all-flash array": its own software manages raw NAND directly instead of going through commodity SSDs. The filing names three differentiators built on that choice and says the Purity operating environment is shared across FlashArray, FlashBlade and the Everpure Cloud services. The design is what let Everpure put dense QLC flash into enterprise arrays, and what won "the industry-first Flash design win with a major hyperscaler"; the company's Q2 FY2027 results release (2026-08-26) adds a second top-five hyperscaler win on the same DirectFlash architecture. Around the hardware sits Evergreen, which replaces controllers and flash modules in place so arrays do not need wholesale replacement, and a customer base the 10-K puts at over 14,500, including about 64% of the Fortune 500, with a certified NPS of 84. The 10-K's income statement reports gross profit of $2,021.2M on $2,830.6M of revenue in FY2024, $2,212.7M on $3,168.2M in FY2025 and $2,578.0M on $3,662.8M in FY2026. The limits are just as explicit. IDC's 1Q26 tracker ranks Everpure third in external enterprise storage, behind Dell and NetApp. The 10-K concedes that rivals have larger and more mature IP portfolios, that most prospects already run a competitor's storage and incumbents keep them partly through switching costs, and that public cloud providers "known for developing storage systems internally" reduce demand for systems like Everpure's. Component costs are the other exposure: the filing says the cost of components "increased significantly" in fiscal 2026, and that price increases in the first quarter of fiscal 2027 were meant "to help offset these rising expenses" while volatility keeps pressure on margins. A real, technology-based edge, held by a vendor that is third by revenue: narrow, not wide.

SanDisk sells largely interchangeable NAND product into a five-rival commodity market, so its defensible edge is narrow and concentrated in intangibles: the SanDisk consumer brand and retail distribution (Consumer was $2,268M of $7,355M FY2025 revenue) plus roughly 7,900 granted patents. It owns no flash fab of its own; the 10-K says substantially all of its flash memory wafers come from Flash Ventures, its 49.9% JV with Kioxia, whose fixed costs it must fund at about half regardless of the output it takes. That structure caps both the moat and the downside cushion: gross margin ran 7.1% in FY2023, 16.1% in FY2024 and 30.1% in FY2025 as the flash cycle turned.

Corning is a materials company whose defence is a set of manufacturing processes it invented and then papered over with patents, and the FY2025 10-K is unusually explicit about where that defence holds and where it does not. It holds in Display, the one place the filing makes an outright rank claim - 'We are the largest worldwide producer of glass substrates for flat panel displays' - against only two named principal competitors, AGC Inc. and Nippon Electric Glass. The stated reason is process: a fusion process Corning invented, which it says 'is scalable and we believe it is the most cost-effective process for producing large size substrates', protected by patents and 'proprietary trade secrets'. It holds more loosely in Optical Communications, where the company claims 'a leadership position' and grounds it in 'large-scale manufacturing experience, fiber process, technology leadership and intellectual property', with 4,121 worldwide patents in that segment alone - but names Amphenol, Fujikura and America Fujikura, Sumitomo and Prysmian Group as principal competitors and says the landscape's 'industry consolidation, pricing pressure and competition for the innovation of new products' are 'likely to persist'. Those two lines carry the company: the filing puts Optical Communications at 38% of total segment net sales in 2025 and Display at 23%, and the segment table gives them $1,048 million and $993 million respectively of the $2,747 million of reportable-segment net income. Outside them the language weakens fast: Automotive claims 'a strong market position' against a single undivided list - 'Our principal competitors include NGK Insulators, Ltd., Ibiden Co., Ltd., AGC Inc. and LENS.'; Specialty Materials rests on capabilities and 'Brand recognition and loyalty, through well-known trademarks' against Schott, AGC, Nippon Electric Glass, Heraeus and JENOPTIK; and Life Sciences, at 6% of segment net sales and $61 million of segment net income on $972 million of sales, competes with Thermo Fisher Scientific, Danaher, Avantor and others while also facing 'competition from large distributors that have pursued backward integration or introduced private label products'. The demand side is currently the strongest part of the story rather than the moat: 2025 optical segment net sales rose 35% to $6,274 million, which the 10-K attributes to 'continued growth in our Enterprise business driven by strong demand for our Generative AI products, and in our Carrier business, driven by demand for datacenter interconnect products and fiber-to-the-home products'. That is a customer capex wave - the risk factors name 'fluctuations in telecommunication and hyperscale data center capital spending' as a risk to the very same business - landing on segments the company itself says are subject to pricing pressure, which is the honest reason this profile stops at narrow: Corning has a defended process franchise in glass and a strong but contested one in fiber, wrapped in segments where the filing claims no structural barrier at all.

Chain position

Everpure sits between the flash-memory supply and enterprise and hyperscale data centres. Upstream, the FY2026 10-K names "the cost of components, including flash and DRAM" as a gross-margin driver, says it must ensure "a sufficient supply of flash to support our hyperscaler customer", develops DirectFlash "In close collaboration with key QLC flash partners", and relies on contract manufacturers to build its products. Downstream it sells through a direct sales force and channel partners to enterprises, managed service providers and hyperscalers, and lists Microsoft Azure, AWS, Google, IBM, Cisco and NVIDIA among its technology partners; large public cloud providers are at once partners and, through internally developed storage, substitutes.

Merchant NAND/SSD supplier with no wholly owned fab: substantially all flash wafers come from Flash Ventures, its 49.9% JV with Kioxia across seven Japanese fabs, with an eighth due to start in calendar 2025.

Corning sits a layer beneath the AI build-out, supplying the glass and fiber rather than the compute. The FY2025 10-K describes 'optical fiber, cable and connectivity solutions for advanced communications networks, such as fiber to the home and data centers, enabling artificial intelligence', and says 'the rapid acceleration of artificial intelligence ("AI") is driving strong demand for fiber and connectivity products inside and between data centers', citing purpose-built parts such as the SMF-28e Contour fiber, 'a 40% smaller fiber', and the Contour Flow Cable 'which can fit double the fiber into the same cable diameter'. It also sells into chipmaking, through HPFS Fused Silica, ULE Ultra-Low Expansion Glass and the EXTREME ULE Glass introduced in 2024 to 'support chip manufacturers in meeting the rapidly growing demand for advanced and intelligent technologies'. The exposure is already in the numbers: Optical Communications net sales rose 35% to $6,274 million in 2025, which the filing attributes first to 'continued growth in our Enterprise business driven by strong demand for our Generative AI products'.

Products (share / barrier)
  • Automotive ceramic substrates and particulate filters Unknown · Moderate source: sec.gov
  • Corning Gorilla Glass cover materials Unknown · Moderate source: sec.gov
  • Display glass substrates Leader · Deep source: sec.gov
  • Hemlock hyper-pure polysilicon and solar products Unknown · Low source: sec.gov
  • Life Sciences labware and consumables Unknown · Low source: sec.gov
  • Optical fiber, cable and connectivity solutions Leader · Moderate source: sec.gov
  • Semiconductor and precision optics Unknown · Moderate source: sec.gov
Long-horizon vote +0.06 at weight 0.20 · swarm bullish

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-0.01 at weight 0.20 · swarm bullish

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+0.20 at weight 0.20 · swarm neutral

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