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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 Kioxia Holdings×Cisco Systems×Celestica× maximum of 3 — remove one to swap
Kioxia Holdings KXIAY ai moat: latest change 2026-06-24 Cisco Systems CSCO ai moat: latest change 2025-09-03 Celestica CLS ai moat: latest change 2026-02-27
Moat rating narrow

Kioxia's FY2025 Annual Securities Report (dated 2026-06-24) describes a real but bounded position. It records 'the limited number of major competitors in the flash memory business', and says its three manufacturing joint ventures with Sandisk let it 'make investments on a larger scale than if it were to invest alone and enjoy economies of scale in terms of capital expenditures and production efficiency'. Against that, the same Risk Factors section describes 'heavy global competition as advanced technologies are necessary for business execution', says 'in the flash memory market the Group's ability to decide prices is limited', that 'Some competitors possess technologies that the Group does not have, such as DRAM' and 'have greater financial strength than the Group', and records that the Group cut production from October 2022 to March 2024. Scale in a small field, not a barrier that protects Kioxia's returns through the cycle.

source: kioxia-holdings.com

narrow

The FY2025 10-K shows a moat that still pays but no longer compounds: total gross margin of 64.9% and remaining performance obligations of $43,533 million (up 6%) against a Networking product category that fell from $34,570 million in fiscal 2023 to $29,229 million in fiscal 2024 to $28,304 million in fiscal 2025, and a product gross-margin bridge in which 'Product pricing' subtracted 1.6 percentage points. All of the reported category growth came from Splunk-carrying lines - Security +59% and Observability +26%. Real and durable, but bounded: narrow, not wide.

source: sec.gov

narrow

The FY2025 10-K shows a real but bounded edge. On the durable side, Celestica is increasingly engaged as an ODM: its HPS business co-designs (JDM) or fully designs the platforms it builds, it states 'We have hardware and software patents that are integral to our HPS business' and that 'our increased R&D activities have resulted in the growth of our dependence on our patent portfolio', and HPS reached 41% of total revenue in 2025 (from 21% in 2023) at a margin profile the filing says is higher than traditional EMS work. On the limiting side, the same filing concedes 'Some of our competitors have greater scale and provide a broader range of services than we provide', the master supply agreements 'do not typically guarantee a particular level of business or fixed pricing', work is won 'on a program-by-program basis', and the top 10 customers were 79% of 2025 revenue with three customers individually at 32%, 14% and 12%. An advantage that must be re-won each program against greater-scale rivals, for a handful of buyers who can in-source, is narrow rather than wide.

source: sec.gov

Moat type cost scale

The advantage the company itself names is scale and capital efficiency. The Annual Securities Report says the Sandisk joint ventures, which procure the production equipment installed at Kioxia's Yokkaichi and Kitakami plants and 'sell 50% of their products to the Group and 50% to the Sandisk Group', let it 'enjoy economies of scale in terms of capital expenditures and production efficiency'. At its 2026 Investor Day (2026-06-02) management said that 'by leveraging our world-leading economies of scale, we have maintained a lower cost per gigabyte than the industry average', on a slide that cites the TechInsights NAND Market Report Q2 2026 as its source. The filing describes its technology work (layer stacking for BiCS FLASH, the move to QLC) and names 'a decline in competitiveness in production efficiency per gigabyte' as a risk if it falls behind. It does not present that technology as protected IP that rivals cannot match.

source: kioxia-holdings.com

switching costs

The durable piece is the contracted annuity attached to installed equipment: total remaining performance obligations of $43,533 million, of which $21,961 million is services and $21,810 million is long-term (recognised beyond twelve months), carried at a services gross margin of 68.5% that has risen for three consecutive years from 66.4% and 68.1%. Customers keep paying for support on gear they already run.

source: sec.gov

switching costs

Cost scale is explicitly not the source: the 10-K states competitors have greater scale and a broader service range. What does bind a customer is the design-in. Within HPS, Celestica 'design[s] and manufacture[s] products, either as customized solutions, white box solutions or under Joint Design and Manufacturing (JDM) engagements', holds 'hardware and software patents that are integral to our HPS business', and delivers 'complete platform solutions... integration and orchestration of various technologies into rack-scale designs'. The filing adds that 'a majority of these supply agreements also require the customer to purchase unused inventory that we have purchased to fulfill that customer's forecasted manufacturing demand', a contractual cost of walking away mid-program. Moving a qualified, jointly designed rack-scale platform to another ODM means requalifying a design Celestica partly owns, which is friction the commodity assembly work does not carry.

source: sec.gov

Leadership at parity

TrendForce's 2Q26 NAND Flash ranking (2026-08-18) puts Kioxia fourth with revenue of about $10.72 billion. Its 13.6% share 'edged down', and it sits behind Samsung (29.3%), SK hynix Group and Micron, which moved up to third. TrendForce's 2Q26 enterprise SSD ranking (2026-09-01) also places it fourth, at $4.64 billion. On technology it is keeping pace: it began sampling the 332-layer 10th-generation BiCS FLASH on 2026-07-03, per its press release. The Annual Securities Report concedes that some competitors 'possess technologies that the Group does not have, such as DRAM' and 'have greater financial strength than the Group'. Kioxia is in the middle of a small group of peers.

source: kioxia-holdings.com

co leader

The 10-K names no competitor and discloses no market share anywhere in Management's Discussion and Analysis. The positional facts it does give are scale and direction: Networking product revenue of $28,304 million in fiscal 2025 - by far the largest of its four categories - but down $6.3 billion from fiscal 2023, with channel partner financing volume falling from $32.1 billion to $27.1 billion to $24.9 billion across fiscal 2023-2025.

source: sec.gov

at parity

The 10-K claims no share leadership. It states plainly that 'Some of our competitors have greater scale and provide a broader range of services than we provide', and lists Hon Hai, Flex, Jabil, Sanmina, Benchmark and Plexus in EMS plus Quanta, Wiwynn and Accton in ODM. Its stated competitive advantage is execution quality, not position: 'our track record in advanced manufacturing capabilities, design and engineering, quality, delivery, managing complexity and responsiveness'. It is also winning: CCS revenue grew 42% to $9.19 billion and total revenue reached $12.39 billion in FY2025. Competing on comparable terms with a field it neither leads nor trails is parity.

source: sec.gov

Pricing power weak

The Annual Securities Report states that 'in the flash memory market the Group's ability to decide prices is limited, and in the medium- to long-term selling prices on a bit basis may decline at a similar pace as in the past'. Current margins follow the market. The first-quarter FY2026 results attribute the revenue jump primarily to 'a significant increase in average selling prices (ASPs) resulting from strong demand from data center customers focusing on generative AI'. Gross profit was ¥1,380,066 million on revenue of ¥1,767,117 million, against ¥71,179 million on ¥342,799 million a year earlier. In the 2026 Investor Day Q&A management said it believes 'market pricing will continue to reflect those supply-demand conditions'.

source: kioxia-holdings.com

moderate

The product gross-margin bridge attributes fiscal 2025's 0.2-point improvement to productivity (+2.0 points) and mix (+1.1 points) while 'Product pricing' subtracted 1.6 points; a legal dispute with a supplier cost a further 0.8 points. Total gross margin of 64.9% (product 63.7%, services 68.5%) is held by cost and mix, not by price.

source: sec.gov

weak

The filing describes price as contested by contract, not set by Celestica: master supply agreements 'do not typically guarantee a particular level of business or fixed pricing', 'Some of these agreements require us to provide specific price reductions to our customers over the term of the contracts', and the Item 1A risk factor 'We operate in an industry comprised of numerous competitors and aggressive pricing dynamics' says competitors may be 'willing to, or able to make sales or provide services at lower margins than we do'. The site's fundamentals show gross margin at 12.06% in FY2025, up from 8.96% in FY2022, 9.47% in FY2023 and 10.72% in FY2024 — improving, but still low double digits, and the filing attributes the higher margin to mix (HPS is 'higher margin profile than our traditional EMS businesses' and went from 21% to 41% of revenue over the same span) rather than to raising prices.

source: sec.gov

Summary

Kioxia calls itself 'a specialized flash memory manufacturer'. It makes BiCS FLASH 3D NAND at Yokkaichi and Kitakami in Japan through three manufacturing joint ventures with Sandisk, whose output is sold 50% to Kioxia and 50% to Sandisk. FY2025 (year to March 2026) revenue was ¥2,337.6bn: SSD & Storage ¥1,362.6bn, Smart Devices ¥760.0bn and Other ¥215.0bn, with the Apple group alone at 20.4% of sales. Its moat is scale in a concentrated industry. TrendForce ranks it fourth in 2Q26 NAND revenue with a 13.6% share, and in August 2026 the partners announced anticipated investments in Japan of over $31 billion through 2032, contingent on government support. The same filing sets out the limits: limited ability to set prices; rivals that also make DRAM and have more financial strength; China's government-supported push for domestic semiconductor production; and a joint-venture agreement effective until 2034, with no decision yet on whether it continues after that. First-quarter FY2026 gross profit was ¥1,380,066 million on revenue of ¥1,767,117 million, against ¥71,179 million on ¥342,799 million a year earlier. The company attributes the jump primarily to a significant increase in average selling prices.

The installed base still switches slowly - but the filing does not claim it is winning the AI datacenter on the strength of that base. The fiscal 2025 Networking decline is attributed to 'product shipments returning to normalized levels during the first half of fiscal 2025 from the elevated levels ... in the first half of fiscal 2024', to servers, and to 'a decline in campus switching' - normalisation, not disclosed share loss, so the whitebox/Arista thesis is not something this 10-K either confirms or denies. What the filing does disclose is the shape of the AI dollar Cisco is actually winning: Americas service provider and cloud growth 'driven by AI infrastructure revenue from webscale customers', funded by additional purchase commitments 'related to manufacturing Cisco Silicon One and other products to meet demand from webscale and other customers', which 'significantly increased our supply chain exposure, which has resulted in negative impacts to our product gross margin in recent periods and may result in further negative impacts in future periods'. Enterprise switching earns 63.7% product gross margin; webscale silicon costs margin to serve. The moat is intact where the annuity is and thin where the growth is.

Celestica is a contract design and manufacturing company that has been pulled up the value chain by the AI data-center build-out. Its CCS segment, which builds networking switches, optical systems, data center racks, servers and storage for hyperscalers and other cloud and AI service providers, grew 42% to $9.19 billion in 2025, and Communications alone went from 33% of revenue in 2023 to 57% in 2025. The part of that business with a defensible position is HPS, where Celestica is the designer rather than the assembler: HPS revenue rose 81% in 2025 to 41% of the total, carries a higher margin than traditional EMS work, and rests on a patent portfolio the filing calls integral to the business. That design-in position is what separates it from pure build-to-print capacity. What caps the moat is the customer side of the ledger. The 10-K describes an industry where 'aggressive pricing is a common business dynamic', where master supply agreements guarantee neither volume nor price and some of them 'require us to provide specific price reductions to our customers over the term of the contracts', and where the company bids program by program against Hon Hai, Flex, Jabil, Sanmina, Benchmark and Plexus on the EMS side and Quanta, Wiwynn and Accton on the ODM side, plus Arista and Cisco where a customer might buy an off-the-shelf switch instead. Revenue concentration has tightened as the AI mix grew, from 64% of revenue in the top 10 customers in 2023 to 79% in 2025, with a single customer at 32%. The company also notes its HPS offerings can compete with a customer's own hardware, which may 'negatively impact our relationship with, or result in a loss of business from, such customers'. So the profile is a genuine but program-scoped advantage, held by a company whose fortunes turn on a few buyers' capital plans.

Chain position

Upstream NAND flash and SSD supplier. The filing says much of its revenue 'depends on a limited number of customers and industries, such as major smartphone manufacturers and large IT companies, including hyperscalers that require SSDs'. The Apple group was 20.4% of FY2025 sales.

Supplies networking into AI datacenters: the 10-K ties Americas service provider and cloud growth to 'AI infrastructure revenue from webscale customers' and to Cisco Silicon One manufacturing commitments.

Celestica sits between component suppliers and the hyperscale buyer, and owns the design only in part of that span. It 'procure[s] substantially all of our materials and components on behalf of our customers pursuant to individual purchase orders that are generally short-term in nature', then designs, assembles, integrates at rack scale and tests the switches, optical systems, servers, storage and data-center racks that cloud, AI and enterprise customers deploy. In ATS it is a pure EMS contractor that does 'not generally collaborate with ATS customers on the design of the solutions we manufacture'; in HPS it is the designer of record or a joint designer. The economics follow that split: the segment where it holds design IP is the one with the higher margin profile.

Products (share / barrier)
  • Cisco Silicon One and webscale AI infrastructure Challenger · Low source: sec.gov
  • Collaboration (Webex Suite, devices, Contact Center, CPaaS) Challenger · Low source: sec.gov
  • Networking (switching, routing, wireless, servers) Leader · Moderate source: sec.gov
  • Observability (Splunk Observability Suite, ThousandEyes) Niche · Moderate source: sec.gov
  • Security (Splunk TDR, SASE, network security) Top 3 · Moderate source: sec.gov
  • Technical support and services Leader · Deep source: sec.gov
Long-horizon vote -0.01 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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+0.13 at weight 0.20 · swarm neutral

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-0.01 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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