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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 United Microelectronics Corporation×Wistron× add + AMD AMD+ ASE Technology Holding ASX+ ASM International ASMIY+ ASML ASML+ Adobe ADBE+ Advantest ATEYY+ Alibaba Group BABA+ Alphabet GOOGL+ Amazon AMZN+ Amkor Technology AMKR+ Amphenol APH+ AppLovin APP+ Apple AAPL+ Applied Digital APLD+ Applied Materials AMAT+ Applied Optoelectronics AAOI+ Arista Networks ANET+ Arm Holdings ARM+ Astera Labs ALAB+ Bloom Energy BE+ Broadcom AVGO+ C3.ai AI+ CXMT 688825.SS+ Cadence Design Systems CDNS+ Celestica CLS+ Cerebras Systems CBRS+ Ciena CIEN+ Cisco Systems CSCO+ Cloudflare NET+ Coca-Cola KO+ Coherent Corp COHR+ Constellation Energy CEG+ CoreWeave CRWV+ Corning GLW+ Credo Technology CRDO+ CrowdStrike CRWD+ Datadog DDOG+ Dell Technologies DELL+ Digital Realty Trust DLR+ Duolingo DUOL+ Eaton ETN+ Eli Lilly and Company LLY+ Equinix EQIX+ Everpure, Inc. P+ Fabrinet FN+ GE Vernova GEV+ GitLab GTLB+ GlobalFoundries GFS+ Hewlett Packard Enterprise HPE+ Hon Hai Precision (Foxconn) HNHPF+ Hut 8 HUT+ IBM IBM+ IREN IREN+ Intel INTC+ JPMorgan Chase JPM+ KLA Corporation KLAC+ Kioxia Holdings KXIAY+ Lam Research LRCX+ Lumentum Holdings LITE+ Marvell Technology MRVL+ MediaTek 2454.TW+ Meta Platforms META+ Micron MU+ Microsoft MSFT+ Moderna MRNA+ MongoDB MDB+ Montage Technology 688008.SS+ NVIDIA NVDA+ Nebius Group NBIS+ NetApp NTAP+ Netflix NFLX+ Nokia NOK+ Oracle ORCL+ Palantir Technologies PLTR+ Palo Alto Networks PANW+ Penguin Solutions PENG+ Pfizer PFE+ Powell Industries, Inc. POWL+ Qualcomm QCOM+ SAP SAP+ SK Hynix SKHY+ Salesforce CRM+ Samsung Electronics 005930.KS+ SanDisk SNDK+ Schneider Electric SBGSY+ Seagate Technology STX+ ServiceNow NOW+ Snowflake SNOW+ SoundHound AI SOUN+ Space Exploration Technologies Corp. (SpaceX) SPCX+ Super Micro Computer SMCI+ Synopsys SNPS+ TE Connectivity TEL+ TSMC TSM+ Talen Energy TLN+ Tempus AI TEM+ Tencent Holdings TCEHY+ Teradyne TER+ Tesla, Inc. TSLA+ The Walt Disney Company DIS+ Tokyo Electron TOELY+ Trane Technologies TT+ Vertiv VRT+ Visa V+ Vistra VST+ Walmart WMT+ Western Digital WDC+ Wiwynn 6669.TW+ X-energy XE
United Microelectronics Corporation UMC ai moat: latest change 2026-04-30 Wistron 3231.TW ai moat: latest change 2026-04-28
Moat rating narrow

The FY2025 20-F Competition section cuts both ways: UMC calls itself "one of the world's largest independent semiconductor foundries" with production capacity "currently among the largest of all semiconductor foundries in the world" and says it believes it competes favorably with competitors on each principal element of foundry competition, yet in the same section concedes that "[s]ome of our competitors have substantially greater production, financial, research and development and marketing resources than we have" and that "several new dedicated foundries have commenced operations and compete directly with us," whose entry is "likely to initiate a trend of competitive pricing and create potential overcapacity in legacy technology" that "may erode our profit margins." A real but bounded advantage, not a durable wide one.

source: sec.gov

none

The 2025 annual report (English translation filed with TWSE 2026-04-28) shows scale without a protected return: revenue of NT$2.1865 trillion, up 108%, at a gross profit margin of 6.1% and a consolidated operating profit margin of 3.6%, with gross profit up 59.33% against net revenues up 108.39%. The report's own list of unfavorable factors opens with "Intense Price Competition and Declining Gross Profit Margins" and says the IT industry, "with its relatively low barriers to entry, has attracted numerous manufacturers, leading to fierce competition", while its key-buyer table puts Buyer A at 39.32%, Buyer E at 21.21% and Buyer I at 12.81% of 2025 net sales. A large, competitive incumbent whose own filing concedes the entry barriers are relatively low: no moat is claimable.

source: wistron.com

Moat type intangibles ip

The 20-F states plainly that "Our success depends on our ability to obtain patents, licenses and other intellectual property (IP) rights covering our production processes and activities," and reports more than 16,700 patents worldwide as of December 31, 2025, of which more than 7,490 are in the U.S., 623 domestic and foreign patents granted in 2025 alone, NT$17,725 million of R&D (7.5% of operating revenues) and 1,591 R&D professionals. The Competition section names where UMC believes it wins: it competes favorably "particularly [on] our technical competence and research and development capabilities." The proprietary specialty-process library, not scale or a network, is the cited source of the advantage.

source: sec.gov

none

The report's "Competitive Niches" section lists operating capabilities rather than a durable barrier: an R&D team of "over 5,600 people", manufacturing bases in Taiwan, U.S.A., China, Mexico, Czech Republic, Vietnam and Malaysia, lean manufacturing, product quality, supplier relationships, global logistics and an experienced management team. None of these is a patent position or a customer lock-in: R&D expenses were 1.43% of 2025 revenue, the Company reports 120 U.S. and 122 Taiwan patents granted in 2025, and the niche section's description of brand clients "each comprising an equal share of our sales" sits beside a key-buyer table in which a single buyer took 39.32% of 2025 net sales.

source: wistron.com

Leadership fast follower

UMC describes a deliberate follow strategy in the 20-F: it intends "to avoid investments in technologies that do not present commercial potential for volume production" and believes "it is beneficial to defer investment in premature equipment needed to claim the earliest advanced technology and instead to purchase more advanced and less expensive versions of such equipment from vendors who design this equipment based on pre-production lessons learned from the earliest technology." The node ladder bears this out: the most advanced process in production in 2025 is Fab 12A's 0.014 micron, wafers at 14 nanometers and under rounded to 0.0% of wafer sales in each of 2023, 2024 and 2025, and the next rung — UMC's own 12nm FinFET process, which Intel replicated in 2025 "based on our electrical design rules and UMC-verified process" for manufacture at its Arizona fab — is only "expected to begin in 2027."

source: sec.gov

at parity

Citing MIC (February 2026), the report puts the Company at approximately 18% of the roughly 135,350K notebooks, 24% of the 39,711K desktops and 22% of the 12,370K servers manufactured in Taiwan in 2025, and lists it among the major Taiwan ODMs in every category it charts (notebooks with Quanta, Compal, Inventec and Pegatron; servers with Hon Hai, Quanta, Inventec and MiTAC). It describes this only as "considerable market competitiveness" and claims no first-place rank.

source: wistron.com

Pricing power weak

The 20-F claims no premium — "our current level of pricing is comparable to that of other leading foundries in each respective geometry" — and reports that 2025 average selling price declined 5.4%, driving gross margin down from 32.6% in 2024 to 29.0% in 2025 even as 12-inch-equivalent wafer shipments rose from 3,446 thousand to 3,870 thousand and average capacity utilization improved from 68.7% to 75.2%. It also notes that "[p]rices for wafers of a given level of technology generally decline over the processing technology life cycle."

source: sec.gov

weak

2025 gross profit margin was 6.1% and consolidated operating profit margin 3.6%; gross profit rose 59.33% while net revenues rose 108.39%, so the margin narrowed. The report's first unfavorable factor is "Intense Price Competition and Declining Gross Profit Margins", and three buyers accounted for 39.32%, 21.21% and 12.81% of 2025 net sales.

source: wistron.com

Summary

UMC's durable asset is a proprietary mature- and specialty-node process library — 55/40/28/22nm embedded memory for MCU and automotive, 55/40/28/22/14nm embedded high-voltage for display drivers, 110/55nm BCD for power management, 55/28/22nm BSI-CSI for image sensors and 110/90/55/40nm RF-SOI — backed by more than 16,700 patents worldwide at end-2025 and 7.5% of revenue spent on R&D. That library keeps a concentrated customer base qualified into UMC's fabs (top ten customers were 57.0% of 2025 operating revenues; Texas Instruments, Intel, MediaTek, Realtek and Novatek are named as primary customers). What it does not buy is price: 2025 average selling price fell 5.4% and gross margin fell from 32.6% to 29.0%, while the filing warns that new dedicated foundries are likely to initiate competitive pricing and overcapacity in legacy technology.

Wistron is a Taiwanese ODM whose business, per its 2025 annual report, "primarily covers the R&D, manufacturing, testing and after-sales services" of servers and AI computing devices, notebooks, desktops, monitors and other electronics, with 3C electronics at 98.5% of 2025 sales. Revenue more than doubled to NT$2.1865 trillion on what the Chairman's letter calls "triple-digit percentage growth in revenue from AI and general-purpose servers", and the report cites MIC data placing the Company at approximately 18% of Taiwan-made notebooks, 24% of desktops and 22% of servers in 2025. Against that, the gross profit margin was 6.1%, the report's own unfavorable factors name intense price competition, declining gross margins and relatively low barriers to entry, and three buyers took 39.32%, 21.21% and 12.81% of 2025 net sales. The long-term plan is to expand the proportion of higher-margin products such as AI computing devices and servers, and the manufacturing policy aims automation and AI-driven intelligent manufacturing at "higher-complexity, technically demanding product segments — expanding gross margins" — a stated path toward an advantage, not evidence that one exists yet.

Chain position

Mature- and specialty-node wafer supplier: 2025 wafer sales were 41.4% communication, 30.6% consumer and 11.6% computer, with the AI tie indirect — 2.5D silicon interposers with deep-trench capacitors shipped to major customers for HPC, cloud computing and LLM applications.

Contract designer-manufacturer for brand and cloud customers: the report describes "professional OEM services supporting clients with world renowned brands", lists CPUs, SSDs and DRAM as main materials, and among its 2025 R&D results lists GPU servers supporting NVIDIA B300, AMD MI355 and Intel Gaudi 3.

Products (share / barrier)
  • 12-inch 28nm/22nm logic and specialty foundry Challenger · Moderate source: sec.gov
  • 12-inch silicon photonics Unknown · Moderate source: sec.gov
  • 2.5D silicon interposer and 3D hybrid bonding Unknown · Moderate source: sec.gov
  • 8-inch and legacy-node foundry (0.11 micron and above) Challenger · Moderate source: sec.gov
  • Embedded non-volatile memory platforms (eFlash, RRAM, MRAM) Unknown · Deep source: sec.gov
  • Specialty mixed-signal platforms (eHV, BCD, BSI-CSI, RF-SOI) Unknown · Moderate source: sec.gov
Long-horizon vote -0.01 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

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-0.06 at weight 0.20 · swarm neutral

Editorial prior, not backtested.

see exactly how it voted →