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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 NVIDIA×Corning×Netlist× maximum of 3 — remove one to swap
NVIDIA NVDA ai moat: latest change 2026-02-25 Corning GLW ai moat: latest change 2026-02-12 Netlist NLST ai moat: latest change 2026-10-08
Moat rating wide

Wide: the CUDA software platform and its developer installed base create high switching costs across the AI-training stack, defended by $76.7B cumulative R&D and reinforced by ~71% FY2026 gross margins and Data Center revenue (~90% of total) up 68% YoY — durable, hard-to-replicate advantages per the FY2026 10-K.

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

narrow

Netlist's patents have now brought licence payments from all three big DRAM makers, which is the strongest evidence that they matter. Blocks & Files (2026-10-08) says Netlist 'has now won IP disputes against Micron, Samsung and SK hynix over its memory technology, gaining fees valued at $1.54 billion'. In August 2026, Samsung agreed to pay Netlist '$897 million over 5 years in licensing fees' (Blocks & Files). That figure is a ceiling: Netlist's Form 8-K (2026-08-05) sets Samsung's quarterly fees at 'up to US$32.9 million' each, calculated by 'a revenue-based formula' and 'subject to certain adjustments and refund rights of Samsung'. In October 2026, Micron agreed to pay '$30 million per quarter from the fourth quarter of 2026 through the third quarter of 2031, totaling $600 million' for a five-year licence (Netlist release, 2026-10-06). SK hynix's dispute ended in April 2021 with a '$40 million settlement, a cross-licensing deal and a supply arrangement' (Blocks & Files). The moat is narrow, not wide, because it is time-limited and contested. Both new licences run five years. On 2026-09-02 the Federal Circuit upheld PTAB decisions finding all challenged claims of Netlist's '339, '918 and '054 patents unpatentable as obvious (IPWatchdog). The FY2025 10-K says 'all of our issued patents will eventually expire'. The product business has no such protection: 2025 gross profit was $11.4 million on net sales of $188.6 million (results release, 2026-03-03).

source: blocksandfiles.com

Moat type intangibles ip

The durable edge rests on proprietary IP and software: the full-stack CUDA development platform running on all NVIDIA GPUs plus hundreds of proprietary domain libraries/SDKs/APIs, and $76.7B cumulative R&D yielding "inventions that are essential to modern computing" (NVIDIA invented the GPU in 1999). This is reinforced by developer-ecosystem network effects and CUDA switching costs, per the FY2026 10-K Business section.

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

intangibles ip

The advantage is the patent portfolio, enforced in court; scale and customer lock-in play no part. The FY2025 10-K reports 'over 200 issued patents and pending patent applications worldwide' as of December 27, 2025. It says the company's business strategy 'includes litigating claims against others, such as our competitors and customers, to enforce our intellectual property rights'. Netlist says it invented the distributed buffer architecture and that 'The memory industry has widely adopted our distributed architecture for DDR4 LRDIMM'. It also says 'many in the memory industry have now adopted our approach' to on-module power management 'for their DDR5-based DIMMs'. Those are the company's own claims. The licences give them outside weight: Micron's covers 'patents covering server DIMMs and High Bandwidth Memory technologies' (Netlist release, 2026-10-06), and Samsung's covers Netlist's 'complete patent portfolio, including its server DIMM and High Bandwidth Memory technologies' (Netlist release, 2026-08-05).

source: blocksandfiles.com

Leadership clear leader

FY2026 Data Center revenue was $193.7B (~90% of the $215.9B total), up 68% YoY on the Blackwell ramp, and NVIDIA describes itself as "a data center scale AI infrastructure company reshaping all industries." The 10-K frames named rivals as parties who "provide or intend to provide" GPUs/accelerators — incumbent-leader positioning.

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

behind

As a product company Netlist is a small player against much larger rivals. The FY2025 10-K says it faces 'competition from DRAM suppliers, memory module providers and logic suppliers'. It says 'many of our competitors have substantially greater financial, technical, marketing, distribution and other resources, broader product lines, lower cost structures, greater brand recognition, more influence on industry standards, more extensive or established patent portfolios'. Its suppliers are potential rivals: 'some of our significant suppliers could choose to sell component products to customers directly'. It had 72 employees at the end of 2025. Samsung, Micron and SK hynix have licensed its patents (Blocks & Files, 2026-10-08), but that is licence income, not product leadership, so the band is behind.

source: blocksandfiles.com

Pricing power strong

FY2026 gross margin was 71.1% (75.0% in FY2025); per the 10-K MD&A the ~3.9pt decline reflects the Hopper HGX→Blackwell full-system mix shift and a one-time $4.5B H20 excess-inventory/purchase-obligation charge, not competitive price erosion. A low-70s% hardware gross margin evidences strong pricing power.

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

weak

The product business has little pricing power. Full-year 2025 gross profit was $11.4 million on net sales of $188.6 million (results release, 2026-03-03). Q2 2026 gross profit was $22.9 million on net sales of $109.8 million (results release, 2026-07-30). The FY2025 10-K says 'large or key customers exert pressure on us to make concessions in the prices at which we sell products to them'. It says that when component prices rise 'we generally cannot pass the price increases through to our customers for products purchased under an existing purchase order'. Gross margin on resales 'is typically lower than our gross margin on sales of our own memory subsystem products'. The licence fees are set by the settlement terms for five years, though Samsung's quarterly fees follow 'a revenue-based formula' and 'may be subject to certain adjustments and refund rights of Samsung' (Form 8-K, 2026-08-05). Micron pays '$30 million a quarter until the third quarter of 2031', and Samsung pays an upfront '$239 million' plus 'quarterly payments of up to $32.9 million gross' (Blocks & Files, 2026-10-08).

source: blocksandfiles.com

Summary

NVIDIA pairs market-leading accelerated-computing hardware (the Blackwell data-center platform) with a proprietary full-stack software moat — CUDA plus hundreds of domain libraries — funded by $76.7B of cumulative R&D, and its "large and growing number of developers and installed base... strengthens our ecosystem and increases the value of our platform for our customers" (FY2026 10-K). Competition is intensifying from AMD, Intel and Huawei, and from hyperscalers (Alphabet, Amazon, Microsoft) designing internal AI silicon, but rivals must overcome NVIDIA's entrenched CUDA software ecosystem to displace it.

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.

Netlist is a memory company in Irvine, California, with 72 employees (FY2025 10-K). It sells specialty memory modules to OEMs and resells memory and storage components. The 10-K says 'In recent periods, a large portion of our net product sales were generated from resales', in some past periods much of it sourced from SK hynix under a supply agreement that 'expires in April 2026'. Since 2000 it has been profitable in only two fiscal years, 2006 and 2021 (10-K). Blocks & Files (2026-10-08) says it has been 'largely loss-making' since its 2006 IPO, and that the first half of 2026 was profitable before the larger Samsung and Micron licence payments. Its value lies in patents on server memory modules and HBM, which it has fought over in court for years. Samsung faced 'a $303 million jury award' in April 2023 (IP Fray, 2026-08-05). In 2026 those fights became licence fees. Samsung signed a five-year cross licence, settled all pending actions and gave Netlist the right to buy 'up to $1.5 billion of DRAM and NAND products over five years' (Blocks & Files). Micron signed a five-year licence and settled in October. Before that, IP Fray (2026-08-13) reported Netlist going after Micron, HPE and Lenovo at the ITC and in district court after the Samsung deal; IP Fray (2026-10-06) says the Micron settlement 'ends all pending legal proceedings between the companies'. A case against Google over a rank-multiplication patent has been open since 2008 (Blocks & Files).

Chain position

Upstream compute-platform supplier: NVIDIA sells full-stack data-center systems (GPU + Arm CPU + DPU + NVLink/InfiniBand networking + CUDA software) to cloud providers and enterprises, and relies on third-party foundry/assembly-test-packaging partners (e.g., SPIL, Amkor, Wistron, Fabrinet). Per the FY2026 10-K, several of its largest customers (hyperscalers such as Amazon, Alphabet, Microsoft) are simultaneously customers and emerging competitors developing internal accelerated-computing silicon.

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'.

Memory-module maker and component reseller between the DRAM and NAND makers that supply it (SK hynix, under a 2021 supply agreement the FY2025 10-K says 'expires in April 2026', and Samsung under the 2026 supply agreement) and server OEMs, storage, system-builder and data-center customers. It also licenses its patents to Samsung, Micron and SK hynix.

Products (share / barrier)
  • CUDA accelerated-computing software platform (CUDA-X, NVIDIA AI Enterprise) Leader · Deep source: sec.gov
  • Data Center AI accelerators (GPU — Blackwell/Hopper) Leader · Deep source: sec.gov
  • Data-center networking / interconnect (NVLink, InfiniBand, Spectrum Ethernet, DPUs) Top 3 · Moderate source: sec.gov
  • 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 +0.42 at weight 0.20 · swarm bullish

Editorial prior, not backtested.

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+0.20 at weight 0.20 · swarm neutral

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-0.15 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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