Competition & Peer Data API & CSV Delivery

United Microelectronics's Competitiveness

A competitive positioning analysis and financial ratio benchmarking of United Microelectronics (UMC) against its publicly traded competitors: sales growth, net income, profitability, valuation and market share, plus each peer's market capitalization, revenue, income and employees. Free below: the top 5 peers. Subscriber access adds the full competitor list and CSV downloads.

Peer Data As of Q4 2025
Competitors Tracked
1
Publicly traded peers
Peer Group Market Share
97.79 %
vs 98.95 % a year ago
Revenue Growth Y/Y
6.89 %
Peers: 126.58 %
Net Margin
16.91 %
Peers: -3.88 %

Key Findings: United Microelectronics vs Its Competitors

  • TTM: Trailing 12-month revenue of 7,573M vs 639M combined for tracked competitors (92.2% combined share).
  • Trending: Latest-quarter revenue run-rate is accelerating (+300.0% annualized vs trailing 12 months), vs accelerating (+7.1%) for its tracked peer group.
  • Growth: United Microelectronics generated 6.9% revenue growth year over year in Q4 2025, vs 126.6% for its tracked competitors combined.
  • Profitability: Its 16.9% net margin compares with -3.9% for the peer group.
  • Scale: United Microelectronics ranks #15 of 117 companies by market capitalization in the Semiconductors industry, holding 0.5% of industry market cap.
  • Peer revenue share: United Microelectronics accounted for 97.8% of combined revenue among its tracked peer group, down from 99.0% a year earlier.
  • Peer differentiation: Revenue per employee of $0.32M compares with $0.41M for the peer group (0.8x).

Every figure above is sourced and cited in detail further down this page (Market Structure, Profitability & Cost Structure, Productivity vs Peers).

UMC Sales vs. its Competitors, Q4 2025

United Microelectronics reported revenue growth of 6.89 % year on year in Q4 2025, below its competitors' combined revenue growth of 126.58 %.

With a net margin of 16.91 %, United Microelectronics achieved higher profitability than its competitors (-3.88 %).

United Microelectronics generated 97.79 % of the combined sales of its peer group, down from 98.95 % a year earlier.

API endpoints for this dataset
https://api.csimarket.com/api/v1/companies/UMC/competitors
https://api.csimarket.com/api/v1/companies/UMC/relationships
https://api.csimarket.com/api/v1/companies/UMC/similar
Programmatic access for models, analytics, and integration workflows.

United Microelectronics vs. its Competitors, Q4 2025

Revenue growth, year on year

United Microelectronics +6.9 %
Competitors combined +126.6 %

Net margin

United Microelectronics +16.9 %
Competitors combined -3.9 %

Revenue run-rate vs trailing 12 months

United Microelectronics +300.0 %
Competitors combined +7.1 %

TTM net margin

United Microelectronics +16.9 %
Competitors combined +19.1 %

TTM = trailing twelve months. Run-rate annualizes the latest quarter (×4) and compares it to TTM. In millions of $. High-Confidence Competitors are named as a competitor directly in an SEC filing; Similar-Size Competitors are the closest peers by market-cap rank within the same industry; Similar Growth & Profitability Competitors are the closest peers by combined revenue growth, operating margin and ROIC, all independent of the competitor list.

Competitor Financial Benchmarking - TTM Commercial

TTM revenue, latest-quarter run-rate and net income/margin benchmarked across United Microelectronics and its 4 competitor groupings. Available under Commercial License.

Entity TTM Revenue Latest Q ×4 Rev Run-rate vs TTM TTM Net Income TTM Net Margin
United Microelectronics Corporation $12,345M $12,345M +12.3% · Accelerating $1,234M 12.3%
Competitors combined $12,345M $12,345M +12.3% · Accelerating $1,234M 12.3%
High-Confidence Competitors (2) $12,345M $12,345M +12.3% · Accelerating $1,234M 12.3%
Similar-Size Competitors (10) $12,345M $12,345M +12.3% · Accelerating $1,234M 12.3%
Similar Growth & Profitability (6) $12,345M $12,345M +12.3% · Accelerating $1,234M 12.3%
Competitor Financial Benchmarking

TTM revenue, run-rate and net margin benchmarking across United Microelectronics's competitor groups requires a Commercial License.

For context: the Semiconductors industry grew revenue 10.5% year over year, combined, vs 6.9% for United Microelectronics. United Microelectronics's share of combined industry revenue moved from 1.39% to 1.34%, a loss of 0.05 percentage points.

United Microelectronics's Competitor Quality Breadth

Share of each group, trailing 12 months: profitable (net margin > 0), expanding (revenue growth > 0), growing faster than the industry's own median, and financially distressed (Piotroski F-Score of 2 or below).

Entity Profitable Expanding Above Industry Growth Distressed
United Microelectronics Corporation Yes Yes No No
Competitors combined (1) 100% 100% 100% 100%
High-Confidence Competitors (2) 100% 100% 50% 50%
Similar-Size Competitors (10) 100% 80% 70% 11%
Similar Growth & Profitability (8) 100.00 % (8 of 8) 100.00 % (8 of 8) 12.50 % (1 of 8) 0.00 % (0 of 8)

Source: CSIMarket API, trailing 12 months. Altman Z-Score is not shown here: it is not populated in the underlying data for any company. Percentages are of companies in each group that report the relevant metric, not of the full group size.

Market Share of the Peer Group, Q4 2025

97.8%market share
  • United Microelectronics97.8%
  • Competitors combined2.2%

Share of combined quarterly revenue of United Microelectronics and its 1 tracked competitors.

See United Microelectronics's full market share breakdown »

UMC Stock Performance relative to its Competitors

UMC Competitors (weighted) Percent change over the selected range

United Microelectronics's Share Price Performance vs Peer Groups

Trailing 12-month total share price return, and the share of each group that outperformed the U.S.A. 500 over the same period. Similar Growth & Profitability Competitors are the closest peers by combined revenue growth, operating margin and ROIC.
100%beat U.S.A. 500
Competitors Combined
(1 of 1)
100%beat U.S.A. 500
High-Confidence
(2 of 2)
90%beat U.S.A. 500
Similar-Size
(9 of 10)
66.7%beat U.S.A. 500
Similar Growth & Profitability
(4 of 6)
Entity TTM Share Price Return
(group: median)
vs U.S.A. 500
United Microelectronics Corporation 222.40 % Outperformed
Competitors combined (1) 40.4% 63.2%
High-Confidence Competitors (2) 40.4% 63.2%
Similar-Size Competitors (10) 40.4% 63.2%
Similar Growth & Profitability (6) 40.4% 63.2%
Peer Group Share Price Returns

TTM share price return and U.S.A. 500 outperformance for United Microelectronics's competitor groups requires a Commercial License.

Source: CSIMarket API (daily market-structure computation). Outperformance is trailing-12-month total return vs the U.S.A. 500 over the same window, not risk-adjusted.

UMC Stock Performance relative to High-Confidence Competitors

UMC High-Confidence Competitors (equal-weighted, 2) Percent change over the selected range

UMC Stock Performance relative to Similar-Size Competitors

UMC Similar-Size Competitors (equal-weighted, 10) Percent change over the selected range

UMC Stock Performance relative to Similar Growth & Profitability Competitors

UMC Similar Growth & Profitability Competitors (equal-weighted, 8) Percent change over the selected range

5 Best-Performing Tracked Competitors, Trailing 12 Months

#CompetitorTTM Share Price Returnvs U.S.A. 500
1 Skywater Technology Inc 282.9% Outperformed
Best-Performing Competitor Returns

TTM share price return and U.S.A. 500 outperformance for United Microelectronics's best-performing tracked competitors requires a Commercial License.

Source: CSIMarket API, trailing 12 months.

United Microelectronics's Comment on Competition and Industry Peers

The company operates in the global semiconductor foundry industry, competing with dedicated foundry service providers and foundry operations of integrated device manufacturers (IDMs). While IDMs primarily produce proprietary semiconductor products, they may also offer foundry services. Some competitors, including the company's largest rivals, have announced plans to significantly increase capacity expenditures, which could lead to industry-wide overcapacity. Overcapacity may result in price reductions or operating below full capacity, adversely affecting margins and profitability. Competitors may adopt new technologies more rapidly, potentially diminishing the company's competitive position and leading to customer and revenue losses. Market prices for advanced technologies and services typically decline over time, and delays in offering new advanced services may necessitate price reductions on existing services, impacting profitability. Additionally, new entrants and consolidations within the foundry sector may increase competitive pricing and overcapacity in legacy technologies. Some competitors possess greater access to capital and substantially larger production capabilities.

Publicly Traded Peers of United Microelectronics Corporation

Revenue and income for trailing 12 months, in millions of $, except employees
Company Market Cap Revenues Income Employees
United Microelectronics Corporation - 7,572.62 1,280.80 24,000
Skywater Technology Inc 1,598.33 638.84 122.21 1,551
SUBTOTAL 1,598.33 8,211.47 1,403.01 25,551

Sources: United Microelectronics Corporation's official press releases and regulatory filings; CSIMarket.com's market research; and the financial filings and press releases of the other companies cited.
Updated on:
Focus of this report: publicly traded companies. Ten additional tables on United Microelectronics Corporation versus competitors, including market share analysis, are in the navigation menu under Competition. To download the tables, please subscribe.

United Microelectronics's Competitors Named by the Company

Competitive relationships identified from SEC filings and corroborating sources, each with a basis and confidence.
Competitor Basis Confidence Active Sources
Skywater Technology Inc Named by the company 85% 2022 to 2026 3
United Semiconductor Japan Corporation Named by the company 85% 2022 to 2026 3
Fujitsu Named by the company 85% 2022 to 2026 3
MIFS Named by the company 85% 2022 to 2026 3
Tower Semiconductor Ltd Named by the company 85% 2022 to 2026 3
Competitor Evidence Detail

Filing basis, confidence, active dates and source counts for United Microelectronics's named competitors require a Commercial License.

Methodology: relationships are extracted from SEC filings (named-competitor disclosures) and corroborating sources. Named by the company = explicitly disclosed as a competitor; Inferred = derived from corroborating signals. Confidence reflects evidence strength.

United Microelectronics's Business Segment Mix vs Peers

Revenue by operating segment or division, as named and reported by each company. Segment names are the filer's own and are not standardized across companies. Do not assume a same-named or similarly-named segment is defined identically between two companies. Shares are of each company's own total revenue and are not required to sum to 100% (intersegment revenue, unallocated items).
Company Largest Segment 2nd Segment 3rd Segment
Skywater Technology Inc SkyWater Texas 55.90 % Legacy SkyWater 44.10 % -

Source: operating segment revenue as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API, leaf-level reportable segments only (parent roll-up segments are excluded where sub-segments are separately disclosed).

United Microelectronics's Productivity vs Peers Comparison

Revenue and income per employee, trailing 12 months, in $; market cap in millions of $
CompanyMarket CapRevenue / EmployeeIncome / Employee
United Microelectronics Corporation - 315,526 53,367
Skywater Technology Inc 1,598 411,891 78,794
PEERS TOTAL 1,598 411,891 78,794

United Microelectronics's Geographic Revenue Exposure vs Peers

Revenue by country/region as reported in each company's most recent filing. Disclosure granularity varies by filer (some report by country, others by broad region) and is shown as disclosed.
Company Largest Market 2nd Market 3rd Market
Skywater Technology Inc United States 93.80 % Canada 3.39 % Israel 1.38 %

Source: revenue geography as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API. Percentages are of that company's own total consolidated revenue for its most recent reported period.

United Microelectronics's Position in Industry Market Structure

Market-capitalization share and concentration across all 109 companies in United Microelectronics's industry classification, broader than the peer set above. Market cap in millions of $.

United Microelectronics ranks #15 of 109 companies by market capitalization in its industry, holding 0.46 % of total industry market cap. The industry's Herfindahl-Hirschman Index (HHI) is 2,373, indicating a moderately concentrated market structure (U.S. antitrust guidance: below 1,500 unconcentrated, 1,500 to 2,500 moderately concentrated, above 2,500 highly concentrated).

Rank Company Market Cap Industry Share
1 Nvidia Corp 5,557,865 44.31 %
2 Broadcom Inc 1,783,853 14.22 %
3 Micron Technology Inc 1,206,807 9.62 %
4 Advanced Micro Devices Inc 1,008,456 8.04 %
5 Intel Corporation 1,234 5.2%
6 Applied Materials Inc 1,234 5.2%
7 Arm Holdings Plc 1,234 5.2%
8 Texas Instruments Incorporated 1,234 5.2%
9 Marvell Technology Inc 1,234 5.2%
10 Analog Devices Inc 1,234 5.2%
15 United Microelectronics Corporation 58,115 0.46 %
Full Industry Market Structure

Market cap and industry share for the rest of United Microelectronics's industry peers requires a Commercial License.

Source: CSIMarket API (daily market-structure computation) across CSIMarket's industry classification, market capitalization as of 2026-09-28.

United Microelectronics's Same-Size Peers & Stock Performance

Peers chosen by closeness in market-cap rank within the same industry classification (not the named-competitor list above). Trailing 12-month total return, 3-month price momentum, beta and Sharpe ratio vs the broad U.S. market.
Rank Company Market Cap TTM Return 3M Momentum Beta Sharpe (1Y)
10 Analog Devices Inc 193,942 58.67 % 4.14 % 1.61 1.36
11 Ase Technology Holding Co Ltd 97,517 281.85 % 4.51 % 1.75 2.64
12 Monolithic Power Systems Inc 66,560 51.01 % 4.50 % 2.44 0.98
13 Astera Labs Inc 64,409 80.24 % -11.02 % 2.81 1.03
14 Nxp Semiconductors N v 1,234 12.3% 4.5% 1.10 0.80
15 United Microelectronics Corporation 58,115 222.43 % -2.11 % 1.20 2.10
16 Stmicroelectronics N v 1,234 12.3% 4.5% 1.10 0.80
17 Microchip Technology Incorporated 1,234 12.3% 4.5% 1.10 0.80
18 Flex Ltd 1,234 12.3% 4.5% 1.10 0.80
19 Celestica Inc 1,234 12.3% 4.5% 1.10 0.80
20 Credo Technology Group Holding Ltd 1,234 12.3% 4.5% 1.10 0.80
Full Same-Size Peer Performance

Market cap, return, momentum, beta and Sharpe ratio for the rest of United Microelectronics's same-size peers requires a Commercial License.

Source: CSIMarket API (daily market-structure computation); returns and risk metrics as of 2026-09-28. Beta and Sharpe ratio are versus the broad U.S. equity market, not this industry.

United Microelectronics's Profitability & Cost Structure

Trailing 12-month margins from SEC-filed financials. Operating margin is compared to the Semiconductors industry median; gross margin, EBITDA margin and capital intensity are compared to the live industry average (151 companies).
Metric Company Industry Difference
Gross Margin 29.01 % 34.40 % (avg) -5.4 pp
Operating Margin 18.50 % industry median +17.1 pp
EBITDA Margin 20.24 % 7.07 % (avg) +13.2 pp
Capital Intensity (Capex / Revenue) 20.10 % 9.39 % (avg) +10.7 pp

Source: CSIMarket API, trailing 12 months. SG&A and R&D as a share of revenue have limited coverage as this data is backfilled and appear only where reported. Higher capital intensity is not inherently negative; it reflects the industry's asset requirements.

United Microelectronics's Multi-Year Financial Trajectory

Fiscal-year revenue growth, operating margin, return on invested capital and P/E, as reported in SEC filings.
Metric 202320242025
Revenue Growth -19.87 %-2.52 %6.89 %
Operating Margin 26.01 %22.22 %18.50 %
Return on Invested Capital 7.34 %6.08 %5.21 %
P/E 9.7x11.9x-

Source: CSIMarket API, fiscal-year figures. P/E is this company's own historical ratio at each fiscal year end and can swing sharply around an earnings trough: that is real, not a data error.

United Microelectronics's Strategic Group Map

Every company in United Microelectronics's industry and named-competitor list, plotted by trailing 12-month revenue growth and operating margin. United Microelectronics is shown in red; its closest peers by combined growth, margin and ROIC (the Similar Growth & Profitability group above) are labeled.

Revenue Growth (TTM, %)Operating Margin (%)CRUSPLABUnited MicroelectronicsCTSCCMPTSEMOSISISILSIMO

Source: CSIMarket API, trailing 12 months. Extreme outlier values (from near-zero-revenue companies) are excluded from the plotted cloud but never from the highlighted company or its labeled peers.

United Microelectronics's BCG Growth-Share Matrix

Relative market share (vs United Microelectronics's largest competitor by market cap) against industry revenue growth, using the standard textbook thresholds (1.0x share, 10% growth) a common framework, not a precision instrument.

Question Mark Star Dog Cash Cow Relative Market Share (vs largest competitor) Industry Revenue Growth (%) United Microelectronics

United Microelectronics falls in the Question Mark quadrant: relative market share of 0.01x vs its largest competitor, in an industry growing revenue 10.3% (median, trailing 12 months).

Source: CSIMarket API (market-cap share and industry revenue growth). The 10% growth and 1.0x share lines are standard textbook thresholds, not derived from this industry's own distribution. A caveat worth reading alongside this chart: Nvidia Corp alone holds 44% of this industry's market cap. In an industry this dominated by one leader, the framework will place nearly every OTHER company in "Dog" or "Question Mark" purely because relative share is measured against that leader, regardless of how strong those other companies actually are on their own fundamentals. Check the Profitability, Valuation and Financial Strength sections above before treating this quadrant label as a verdict.

United Microelectronics's Competitive Forces (Porter's Five Forces)

Only the forces this data can support honestly are shown; the other three are marked as such rather than guessed.
Force Assessment Basis
Competitive Rivalry Moderate Industry HHI of 2,373 (see Industry Market Structure & Concentration above)
Barriers to Entry High (capital intensive) Capital intensity (capex / revenue) of 20.10 % vs industry average 9.39 % (see Profitability & Cost Structure above)
Supplier Power Not covered on this page See United Microelectronics's dedicated suppliers page for concentration and dependency data
Buyer Power Not covered on this page See United Microelectronics's dedicated customers page for concentration and dependency data
Threat of Substitutes - No systematic data source for cross-product substitution exists in this system; not estimated

Note: this is a partial, data-grounded application of the framework, not a complete strategic assessment. Rivalry and barriers-to-entry readings are mechanical translations of the HHI and capital-intensity figures shown elsewhere on this page, not independent judgments.

United Microelectronics's Industry Attractiveness & Competitive Strength

A CSIMarket composite, not a standard field: each axis is an equal-weighted average of three factors already shown elsewhere on this page (industry growth, industry profitability and rivalry for attractiveness; relative market share, profitability and growth vs industry for strength). Disclosed as a designed methodology, not a precision measurement.

High Strength
Medium Strength
Low Strength
High Attractiveness
Invest / Grow
Invest / Grow
Selective
Medium Attractiveness
Invest / Grow
Selective United Microelectronics
Harvest
Low Attractiveness
Selective
Harvest
Harvest / Divest

United Microelectronics falls in the Medium attractiveness / Medium strength cell: Selective.

Source: CSIMarket API, trailing 12 months. Each axis score is a simple 1(low)/2(medium)/3(high) average across its three inputs -- a transparent, disclosed simplification, not a validated academic scoring model.

United Microelectronics's SWOT

Every point below is a fixed rule applied to a metric already shown elsewhere on this page (Market Structure, Profitability, Valuation, Run-Rate, Stock Performance, Quality Breadth) not an independent strategic assessment. A blank quadrant means no rule was met, not that none apply.

Strengths

  • Operating margin 17.1 points above the industry median.
  • Latest-quarter revenue run-rate is accelerating (+300.0% annualized vs trailing 12 months).
  • Outperforming the U.S.A. 500 over the trailing 12 months.

Weaknesses

  • Return on equity 18.2 points below the industry aggregate.
  • Low relative market share vs the industry leader (0.01x).

Opportunities

  • Industry revenue growing at a healthy 10.3% median pace.
  • A meaningful share of tracked competitors (100.00 %) show financial-distress signals, a possible opening to gain share.

Threats

  • Industry dominated by Nvidia Corp, holding 44.31 % of industry market cap.
  • High capital intensity requires continuous reinvestment just to keep pace with the industry.

Methodology: mechanical, rule-based SWOT. Each bullet reuses a figure already sourced and cited elsewhere on this page; nothing here is generated narrative or independent analyst judgment.

United Microelectronics's Financial Strength vs Peers Comparison

Quick ratio, working capital, debt to equity and asset turnover, trailing 12 months
CompanyQuick RatioWorking CapitalDebt / EquityAsset Turnover
United Microelectronics Corporation 1.24 2.29 0.07 0.42
Skywater Technology Inc 0.07 0.59 1.13 0.86

Quick ratio = cash / current liabilities; working capital ratio = current assets / current liabilities; asset turnover = revenue / total assets. Peers in the Blank Checks industry are excluded.

United Microelectronics's Revenue and Income Growth vs Peers

Quarterly revenue and net income growth, year over year and quarter over quarter
CompanyPeriodRevenue Y/YRevenue Q/QIncome Y/YIncome Q/Q
United Microelectronics CorporationQ4 2025+6.9 %+6.9 %-13.7 %-13.7 %
Skywater Technology Inc Q2 2026+164.8 %-2.7 %--
PEERS TOTAL+8.2 %+6.7 %-13.5 %-13.4 %

Growth is shown only where both periods are positive. Peers in the Blank Checks industry are excluded.

United Microelectronics's Peers' Costs of Sales and Capital Expenditures

Context for revenue growth: peer costs and capex, year over year and quarter over quarter
CompanyPeriodCosts Y/YCosts Q/QCapex Y/YCapex Q/Q
United Microelectronics CorporationQ4 2025+12.5 %+12.5 %-43.6 %-43.6 %
Skywater Technology Inc Q2 2026+151.6 %-5.7 %+281.9 %+35.7 %

United Microelectronics's Returns and Turnover vs Peers

ROA, ROI and ROE (trailing 12 months), receivables and inventory turnover
CompanyROAROIROEReceivables TurnoverInventory Turnover
United Microelectronics Corporation7.08%8.41%10.98%7.72-
Skywater Technology Inc 16.42%29.52%63.55%6.9621.08

ROA = net income / total assets; ROI = net income / investments; ROE = net income / equity; turnover ratios use trailing 12 month revenue (receivables) and cost of sales (inventory).

United Microelectronics's Valuation vs Peers

P/E, price to sales, PEG, price to cash flow and price to book
CompanyP/EPrice / SalesPEGP/CFPrice / Book
United Microelectronics Corporation149.06----
Skywater Technology Inc 13.472.50--8.60
PEERS AVERAGE1.140.190.480.13

P/E = price / diluted EPS (trailing 12 months); PEG = P/E divided by EPS growth; the average row divides the peers' combined market cap by their combined income, sales, cash flow and equity.