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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 Flex×Phison Electronics×Lattice Semiconductor× maximum of 3 — remove one to swap
Flex FLEX ai moat: latest change 2026-05-20 Phison Electronics 8299.TWO ai moat: latest change 2026-04-30 Lattice Semiconductor LSCC ai moat: latest change 2026-02-13
Moat rating none

The FY2026 10-K (fiscal year ended March 31, 2026) concedes the core business is contested on every side: "Our industry is extremely competitive, many of our competitors have achieved substantial market share, and some may have lower cost structures or greater design, manufacturing, financial or other resources than we do." Customers "could in the future decide to in-source, dual-source, regionalize, or otherwise reallocate manufacturing volumes among suppliers", certain contracts "permit the customer to terminate the agreement for convenience upon prior written notice", and hyperscale customers "typically have substantial purchasing power and negotiating leverage". TradingPilot's stored fundamentals (SEC XBRL) show gross profit of $1,976 million on net sales of $28,502 million in fiscal 2023 and $2,567 million on $27,914 million in fiscal 2026: a thin margin, even after widening. The Cloud and Power Infrastructure (CPI) segment sells its own power and cooling products, but the 10-K says it must keep offering "significant price and/or performance advantages over competitive products", and Flex intends to separate it into an independent company targeted for the first quarter of calendar 2027. A large contract manufacturer whose own filing describes no protected position: no moat is claimable.

source: sec.gov

narrow

Phison's edge is real but contestable. Its 2025 annual report says 'The core technology of Flash products is the controllers and the integration of their firmware and software'. It reports about 2,000 NAND-related patents and says 'our controllers are sold to Tier-1 NAND vendors such as Kioxia, Kingston, and Micron'. It spent 18.96% of 2025 revenue on R&D. Gross margin was 32.41% in 2024 and 34.21% in 2025, before the 2026 NAND upswing. The same report concedes that 'Most of the business opportunities and core technology are in the hands of big NAND Flash suppliers' and that 'The controller suppliers in Taiwan are holding fewer and fewer advantages'. Tom's Hardware (2025-05-29) says Phison's E26 had dominated high-end PCIe 5.0 client SSDs 'for several years'. It adds that 'this monopoly is about to end' because over a dozen SSD makers showed Silicon Motion SM2508 drives.

source: phison.com

narrow

Lattice holds long-lived, low-power sockets that an outside analyst calls sticky, and it kept its gross profit high through a sharp revenue fall. But each new customer product is competed for again, and the 10-K concedes larger rivals. William Blair's research initiation (2026-10-06, https://www.williamblair.com/News/Lattice-Semiconductor-Corporation-Research-Initiation) says 'Lattice has built a leadership position in the high-volume, sticky sockets where power efficiency is critical'. The FY2025 10-K's financial data (as carried in TradingPilot fundamentals) report gross profit of $340,400 thousand on revenue of $509,401 thousand in fiscal 2024, when revenue fell from $737,154 thousand in fiscal 2023. Against that, the same 10-K says 'The selection process for our products to be included in our customers' new products is highly competitive' and 'There are no guarantees that our products will be included in the next generation'. It also says many competitors 'have substantially greater financial, technological, manufacturing, marketing, and sales resources than us'. Operating income was $11,232 thousand in fiscal 2025. Narrow rather than wide, because the sockets are re-won each product generation against larger competitors, and no independent share figure was found.

source: sec.gov

Moat type none

The 10-K's competitive strengths are operating capabilities, not a durable barrier: "Global Scale and Regional Strength" (more than 100 facilities across approximately 30 countries, staffed by approximately 150,000 employees), "Long-Standing, Diverse Customer Relationships", "Cross-Industry Synergies" and cost-efficient industrial parks. On intellectual property it says "we do not consider any single patent, trademark, or license to be material to our business as a whole" and that the carrying value of its intellectual property "was not material". Switching costs are limited by short commitments: "We generally do not obtain firm, long-term purchase commitments from our customers", and termination-for-convenience notice periods "may be relatively short".

source: sec.gov

intangibles ip

The advantage Phison names is controller and firmware know-how backed by patents, not scale or lock-in. The annual report says 'Firmware technology is the key' to supporting all major flash specifications with high compatibility. It says the company has worked on NAND controllers for over 20 years and 'obtained about 2,000 patents related to NAND Flash technologies'. Its 2Q26 earnings deck counts '2100+' global patents, including pending ones. The IP is not exclusive. The report says many NAND peripheral specifications have patent protection, so 'how to obtain enough NAND Flash memory material and how to obtain relevant patent authorization are critical issues to us'. It calls 'the close relationship with the international big NAND Flash suppliers' the 'most critical factor' for staying in the supply chain.

source: phison.com

switching costs

The lock is the design socket and the product's long life. The FY2025 10-K cites 'a commitment to product longevity, with a large number of Lattice devices having been supported in the market for over 20 years'. It says the sales team works to 'drive multi-generational design wins', and that Lattice still supports FPGA families 'that have been in market for more than a decade and still garner strong customer demand today'. William Blair (2026-10-06) calls the same sockets 'sticky'. The 10-K limits the lock to products already designed in: selection for customers' new products 'is highly competitive'.

source: sec.gov

Leadership at parity

EMSNOW/in4ma's "EMS&ODM Global 100" (2026-03-06, https://www.emsnow.com/?p=53535) says Wistron, Quanta and Wiwynn "plus Foxconn together account for nearly 57% of global EMS/ODM production", and groups Flex with Jabil, Celestica and Sanmina as the US "big four", "representing about 85% of the revenue base among ~20 US headquartered EMS/ODM". The FY2026 10-K claims no rank and says "many of our competitors have achieved substantial market share". One of a handful of large Western contract manufacturers, behind the Taiwanese leaders in scale: at parity with its peer group, not a leader.

source: sec.gov

co leader

Third-party coverage frames merchant controllers as a contest between Phison and Silicon Motion. Tom's Hardware (2025-05-29) says the high-end PCIe 5.0 client SSD market had been 'dominated' by Phison's E26 'for several years', until over a dozen SSD makers showed SM2508-based drives. Its 2026-06-16 interview notes that 'both Silicon Motion and its rival Phison posted record Q1 results'. In that interview, Silicon Motion says 'most module makers use our controllers'. A Morgan Stanley note reported by TechNews (2025-11-10) expects Phison's controller share to keep growing. No tracker publishes a controller ranking, and Phison's annual report gives no share figure. In enterprise SSDs it is outside TrendForce's 2Q26 top five. The band is therefore held at co-leader, not leader.

source: phison.com

co leader

William Blair (2026-10-06) calls Lattice 'a leader in low-power programmable silicon' with 'a leadership position in the high-volume, sticky sockets where power efficiency is critical'. It gives no share figure, and it notes that 'larger FPGA competitors' focus on compute-intensive work. The 10-K's 'Lattice is the low power programmable leader' is the company's own claim. Without a tracker's share number, and with larger rivals in the wider FPGA market, the band is co-leader rather than clear leader.

source: sec.gov

Pricing power weak

Stored fundamentals show gross profit of $1,976 million on $28,502 million of net sales in fiscal 2023 and $2,567 million on $27,914 million in fiscal 2026; on the Q1 FY2027 call (https://earningswhispers.com/transcript/FLEX/Q12027) the CFO said adjusted gross margin "improved to 9.6%, up 50 basis points from the prior year". The 10-K sets the limits: hyperscale customers have "substantial purchasing power and negotiating leverage, which they may use to obtain favorable pricing, extended payment terms, volume flexibility, or other concessions that could reduce our margins", and if CPI's competitors "adopt innovations more quickly or develop superior products, our win rates, pricing, and margins may suffer".

source: sec.gov

moderate

Phison's gross margin held steady before the 2026 upswing: 32.41% in 2024 and 34.21% in 2025, per the annual report. The report ties 2025's pricing to mix: a higher share of lower-priced embedded modules cut both the average unit selling price and the average unit cost. But module products, 72.41% of 2025 revenue, are built from NAND bought from suppliers. The report lists 'Flash Memory in Control of Big International Suppliers' among its disadvantages. Its 2Q26 gross margin of 65.3%, against 29.1% a year earlier, tracks the NAND upswing. TrendForce (2026-03-02) reports that Phison was 'Following the lead of major NAND players like Sandisk' when it required prepayment or shorter payment cycles.

source: phison.com

moderate

Gross profit has stayed high through the cycle. The FY2025 10-K's financial data (as carried in TradingPilot fundamentals) show gross profit of $514,670 thousand on revenue of $737,154 thousand in fiscal 2023, $340,400 thousand on $509,401 thousand in fiscal 2024, and $356,943 thousand on $523,262 thousand in fiscal 2025. The 10-Q filed 2026-08-04 shows $141,332 thousand on $201,079 thousand for the quarter ended 2026-07-04. William Blair (2026-10-06) says Lattice is 'replacing legacy small footprint FPGAs with higher-price Nexus 2 devices'. The 10-K's risk factors still warn that downturns 'can result, and in the past has resulted, in ... erosion of average selling prices'.

source: sec.gov

Summary

Flex designs, builds and manages products for other companies through, per its FY2026 10-K, three segments: Integrated Technology Solutions (communications, enterprise and lifestyle products), Regulated Manufacturing Solutions (industrial, automotive and healthcare) and Cloud and Power Infrastructure (integrated compute systems, liquid cooling, and utility-, facility-, rack- and board-level power). It runs more than 100 facilities in approximately 30 countries; its ten largest customers were 45% of fiscal 2026 net sales and none exceeded 10%. The data-centre business is the growth engine: on the Q1 FY2027 call (2026-07-29) the CFO said CPI revenue "totaled $2.2 billion, up 35% from the prior year, driven by strong growth in power", at a 9.7% adjusted operating margin, against 5.2% for ITS and 6.6% for RMS. Flex plans to spin CPI off as Axiom in the first quarter of calendar 2027, after funds affiliated with General Catalyst, Koch Equity Development and co-investors agreed a $2.0 billion convertible preferred investment "at an initial enterprise value for Axiom of $37.5 billion" (Flex release, 2026-10-05: https://www.sec.gov/Archives/edgar/data/866374/000119312526413173/d123485dex991.htm). The filing itself describes no durable barrier: the industry is "extremely competitive", rivals including Taiwanese ODM suppliers "in some cases, have a substantial share of global information technology hardware and related infrastructure production", customers can in-source or reallocate volume, and hyperscalers can use their leverage "to obtain favorable pricing". An independent tally (EMSNOW/in4ma, 2026-03-06) puts Foxconn, Wistron, Quanta and Wiwynn at "nearly 57% of global EMS/ODM production" and counts Flex among the US "big four". Scale plus a fast-growing power franchise that is about to leave the group, but no moat.

Phison designs NAND flash controllers, and most of its revenue comes from selling the storage built on them. In 2025, flash memory module products were 72.41% of its NT$72.664 billion revenue and controllers 19.26%. Its 2Q26 deck splits revenue into AI-ecosystem modules (enterprise SSDs, aiDAPTIV, boot drives and others) at 38%, embedded ODM modules at 33%, industrial modules at 16%, controllers at 6% and retail modules at 5%. Its controllers cover PCIe SSDs, eMMC/UFS, USB drives and SD cards. The annual report names Silicon Motion, ASolid and JMicron as the other major controller suppliers. Phison says its share of SSD controllers exceeds 20% and its share of automotive-grade controllers exceeds 40%. But its own annual report gives market share as 'Not applicable because there is no clear statistical data', and no independent tracker confirms either figure. Phison depends on the NAND makers for supply. Kioxia, a strategic partner since 2002, supplied 28.33% of 2025 purchases. The 2026 NAND shortage lifted 2Q26 revenue to NT$67.888 billion and gross margin to 65.3%, from 29.1% a year earlier. In February 2026 Phison followed its NAND suppliers in asking customers for prepayment or shorter payment cycles. Its growth bet is enterprise SSDs under the Pascari brand. There, TrendForce's 2Q26 top five brands are all NAND manufacturers.

Lattice makes small and mid-range FPGAs that work as companion chips to a system's processors, or as primary processors, handling control, bridging, security and sensor connectivity in servers, communications gear, factories, cars and consumer devices. It competes on power and size rather than compute. William Blair says it 'specializes in low-power, small and midrange programmable silicon', while 'larger FPGA competitors focus on the compute-intensive market'. Distributors took approximately 84% of fiscal 2025 revenue, per the 10-K. In 2026 Lattice bought AMI for $1.65 billion, which William Blair says 'extends the company into platform firmware, security, and infrastructure manageability'. This profile rates the FPGA franchise described in the 10-K, not the newly acquired firmware business.

Chain position

Contract designer-manufacturer across many end markets and, through CPI, a supplier of power, cooling and rack-level compute infrastructure to "a limited number of hyperscale cloud providers, colocation companies, and large enterprise data center operators" (10-K), which Flex plans to separate as Axiom in the first quarter of calendar 2027.

Merchant NAND controller designer and storage-module supplier, sitting between the NAND makers and SSD, PC, smartphone, industrial and data-center customers. Kioxia supplied 28.33% of 2025 purchases, and no customer exceeded 10% of sales in 2024 or 2025.

Layer-4 companion silicon: low-power FPGAs for control, security and connectivity beside processors in servers and communications gear, and in industrial, automotive and consumer systems, mostly sold through distributors.

Products (share / barrier)
  • Cloud and cooling (rack-level compute integration and liquid cooling) Unknown · Moderate source: earningswhispers.com
  • Data-centre power (critical and embedded power) Unknown · Moderate source: sec.gov
  • Integrated Technology Solutions (communications, enterprise and lifestyle manufacturing) Unknown · Low source: sec.gov
  • Regulated Manufacturing Solutions (industrial, automotive and healthcare) Unknown · Moderate source: sec.gov
  • Long-running FPGA families (MachXO2/3/3D/4, ECP, iCE40, CrossLink) Unknown · Moderate source: sec.gov
  • Mid-range FPGAs (Avant-E, Avant-G, Avant-X) Unknown · Low source: sec.gov
  • Small FPGAs on the Nexus and Nexus 2 platforms (CrossLink-NX, Certus-NX/N2, CertusPro-NX, MachXO5-NX) Top 3 · Moderate source: williamblair.com
Long-horizon vote -0.06 at weight 0.20 · swarm neutral

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+0.13 at weight 0.20 · swarm bullish

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+0.13 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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