UMC vs SONY vs STM Stock Comparison

United Microelectronics, Sony and STMicroelectronics Prices as of Oct 28, 2026 Peers: Industry group
UMC United Microelectronics Corp
$18.84 -21.0% 1M +146.9% 1Y
Market cap
$47.43B
P/E
17.4x
Revenue (TTM)
$14.11B
Div. yield
2.12%
Semiconductor Manufacturing Technology
9 wins
SONY Sony Group Corp
$25.23 +8.1% 1M -13.0% 1Y
Market cap
$155.16B
P/E
–
Revenue (TTM)
$82.39B
Div. yield
0.32%
Gaming Hardware Technology
3 wins
STM STMicroelectronics N.V.
$48.54 -8.0% 1M +92.5% 1Y
Market cap
$43.14B
P/E
93.0x
Revenue (TTM)
$13.10B
Div. yield
0.74%
Semiconductor Manufacturing Technology

Head to Head

12 decided of 12

United Microelectronics leads on 9 of the 12 questions below (United Microelectronics 9, Sony 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionUMCSONYSTMLeader
Larger companyMarket capitalisation $47.43B $155.16B $43.14B SONY
Cheaper on earningsLower P/E, profitable companies only 17.4x -29.5x 93.0x UMC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 17.1x 19.1x 37.6x UMC
Faster revenue growthRevenue growth, trailing twelve months +87.7% +2.1% +10.5% UMC
More profitableNet margin, trailing twelve months 18.7% -6.2% 3.6% UMC
Better return on capitalReturn on invested capital 11.6% 12.2% 3.9% SONY
Less leveragedLower net debt / EBITDA -1.0x -0.3x — UMC
Higher dividend yieldTrailing dividend yield 2.12% 0.32% 0.74% UMC
Better 1-year returnPrice return, last 12 months +146.9% -13.0% +92.5% UMC
Better 5-year returnAnnualised price return, 5 years +12.9%/yr +1.7%/yr +0.4%/yr UMC
Less volatileAnnualised volatility, 1 year 64.5% 29.3% 60.2% SONY
Higher overall scoreMean of the five percentile scores vs peers 80/100 56/100 40/100 UMC

Percentile Scorecard

UMCSONYSTM

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisUMCSONYSTM
Valuation 93 #8 of 94 81 #22 of 111 79 #21 of 94
Growth 79 #20 of 92 22 #85 of 108 11 #82 of 92
Profitability 73 #25 of 90 62 #40 of 104 38 #56 of 90
Financial Health 66 #34 of 99 48 #60 of 115 40 #60 of 99
Shareholder Returns 89 #9 of 73 69 #25 of 78 32 #50 of 73
Overall 80 56 40
  • UMC ranked among 103 companies in Semiconductors
  • SONY ranked among 121 companies in Computer Hardware
  • STM ranked among 103 companies in Semiconductors

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodUMCSONYSTMSPY
1 month -21.0%+8.1%-8.0% +0.9%
3 months +10.1%+8.4%+0.3% +5.9%
6 months +47.8%+27.6%-7.8% +8.5%
Year to date +139.7%-1.4%+87.1% +13.3%
1 year +146.9%-13.0%+92.5% +12.4%
3 years +166.5%+57.6%+22.6% +88.1%
3 years, per year +38.7%+16.4%+7.0% +23.5%
5 years +83.4%+8.9%+1.9% +68.2%
5 years, per year +12.9%+1.7%+0.4% +11.0%
10 years +907.5%+300.5%+427.0% +263.4%
10 years, per year +26.0%+14.9%+18.1% +13.8%

Risk

MeasureUMCSONYSTMSPY
Volatility, 1Y 64.5%29.3%60.2% 12.7%
Downside volatility, 1Y 56.8%27.5%61.2% 12.7%
Beta vs S&P 500, 1Y 1.780.602.87 1.00
Return / volatility, 1Y 2.28-0.441.54 0.98
Max drawdown, 5Y -57.3%-50.9%-67.2% -25.4%
From 52-week high -32.7%-16.6%-39.3% -0.9%
52-week high $28.01$30.26$79.91 $779.14
52-week low $7.02$19.32$21.20 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleUMCSONYSTM
P/E now vs peer median 17.4xmedian 46.0x -29.5xmedian 33.5x 93.0xmedian 46.0x
P/S now vs peer median 3.4xmedian 7.9x 1.9xmedian 2.8x 3.3xmedian 7.9x
EV/EBITDA now vs peer median 11.6xmedian 28.3x 8.4xmedian 19.6x —median 28.3x
P/FCF now vs peer median 21.7xmedian 41.4x 14.4xmedian 29.8x —median 41.4x
P/B now vs peer median 3.2xmedian 4.6x 2.9xmedian 2.9x 2.3xmedian 4.6x
PEG now vs peer median 2.74median 2.30 0.73median 1.10 -1.78median 2.30

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsUMCSONYSTM
Revenue $14.11B $82.39B $13.10B
Gross profit $2.67B $26.19B $4.49B
Operating income $1.81B $10.29B $804.00M
Net income $2.64B -$5.01B -$33.00M
Free cash flow $2.19B $10.78B –
R&D $595.72M – $2.11B
EPS (diluted) $1.07 $-0.85 $0.50
Cash & equivalents $4.48B $13.40B $3.10B
Total debt $781.92M $36.06B $1.91B
Shares (diluted) 2.47B 6.01B 923.05M
Enterprise value $31.80B $94.93B $29.41B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricUMCSONYSTM
P/E 17.4x -29.5x 93.0x
P/FCF 21.7x 14.4x –
P/Operating cash flow 12.6x 11.4x –
P/S 3.4x 1.9x 3.3x
P/B 3.2x 2.9x 2.3x
P/Tangible book 3.2x 3.1x 2.6x
EV/EBITDA 11.6x 8.4x –
EV/EBIT 24.2x 14.5x 50.7x
EV/Revenue 3.1x 1.8x 3.1x
EV/FCF 20.0x 13.8x –
EV/Operating cash flow 11.6x 11.0x –
PEG (3Y EPS CAGR) 2.74 0.73 -1.78

Growth

14 metrics
MetricUMCSONYSTM
Revenue growth (1Y) 87.7% 2.1% 10.5%
Revenue CAGR (3Y) 22.9% -1.2% 0.2%
Gross profit growth (1Y) 22.7% 9.0% 5.7%
Gross profit CAGR (3Y) -2.4% -5.8% -18.8%
Operating income growth (1Y) 29.9% 12.4% 28.0%
Operating income CAGR (3Y) -6.7% 6.1% -45.3%
Net income growth (1Y) 97.8% -168.9% -106.8%
Net income CAGR (3Y) 5.5% -40.0% -26.2%
EPS growth (1Y) 97.8% -167.4% -27.2%
EPS CAGR (3Y) 6.4% -40.2% -52.3%
Operating cash flow growth (1Y) 19.0% -18.9% –
Operating cash flow CAGR (3Y) 5.1% 28.4% –
Free cash flow growth (1Y) 410.9% -11.4% –
Free cash flow CAGR (3Y) 11.3% 82.7% –

Profitability

14 metrics
MetricUMCSONYSTM
Gross margin 18.9% 31.8% 34.3%
EBITDA margin 26.7% 21.6% –
Operating margin 12.8% 12.5% 6.1%
Pretax margin 30.5% 12.2% 5.7%
Net margin 18.7% -6.2% 3.6%
FCF margin 15.5% 13.1% –
Operating cash flow margin 26.7% 16.4% –
Return on equity 18.4% -9.5% 2.6%
Return on assets 12.5% -5.1% 1.8%
Return on invested capital 11.6% 12.2% 3.9%
Return on capital employed 9.6% 15.1% 3.7%
Asset turnover 0.7x 0.8x 0.5x
Cash conversion (OCF / net income) 1.4x -2.7x –
Stock comp / revenue 0.1% – 1.4%

Financial Health

11 metrics
MetricUMCSONYSTM
Debt / assets 3.7% 7.5% 6.7%
Debt / equity 0.1x 0.1x 0.1x
Net debt / EBITDA -1.0x -0.3x –
Debt / FCF 0.4x 0.7x –
Liabilities / assets 30.3% 45.3% 33.6%
Equity / assets 69.7% 54.7% 66.4%
Interest coverage 33.0x 12.2x –
Current ratio 3.3x 1.2x 2.5x
Quick ratio 2.6x 0.4x 1.5x
Cash ratio 2.0x 0.4x 0.8x
Altman Z-score – 3.82 4.25

Shareholder Returns

7 metrics
MetricUMCSONYSTM
Dividend yield 2.1% 0.3% 0.7%
Net buyback yield 0.6% 2.0% -0.7%
Shareholder yield 2.7% 2.3% 0.0%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusUMCSONYSTM
Forward P/E 17.1xFY2026 19.1xFY2026 37.6xFY2026
EPS, next fiscal year $1.10FY2026 $1.32FY2026 $1.29FY2026
EPS growth, next FY +107.5%FY2026 +20.0%FY2026 +143.4%FY2026
EPS growth, the year after -2.7% +6.8% +103.1%
Revenue, next fiscal year $8.52BFY2026 $84.17BFY2026 $13.79BFY2026
Revenue growth, next FY +12.1%FY2026 +5.6%FY2026 +16.9%FY2026
Revenue growth, the year after +24.7% +0.3% +18.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersUMCSONYSTM
Held by institutions 7.1% 7.9% 19.0%
Institutions holding 362 739 603
Change in shares held, QoQ +3.2% +2.1% +57.4%
Institutions buying 220 333 429
Institutions selling 109 268 108
Buyers to sellers 2.02 1.24 3.97

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

UMCSONYSTM
UMC 1.00 -0.06 0.42
SONY -0.06 1.00 0.07
STM 0.42 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, UMC, SONY and STM?

Sony (SONY) is the largest by market capitalisation: United Microelectronics (UMC) $47.43B, Sony (SONY) $155.16B, STMicroelectronics (STM) $43.14B.

Which stock is cheaper, UMC, SONY and STM?

United Microelectronics (UMC) trades on the lowest price-to-earnings ratio (United Microelectronics (UMC) 17.4x, Sony (SONY) -29.5x, STMicroelectronics (STM) 93.0x). On next year's consensus earnings, United Microelectronics (UMC) is cheapest (United Microelectronics (UMC) 17.1x, Sony (SONY) 19.1x, STMicroelectronics (STM) 37.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

United Microelectronics (UMC) grew revenue fastest over the trailing twelve months: United Microelectronics (UMC) +87.7%, Sony (SONY) +2.1%, STMicroelectronics (STM) +10.5%.

Which company is more profitable?

United Microelectronics (UMC) has the highest net margin (United Microelectronics (UMC) 18.7%, Sony (SONY) -6.2%, STMicroelectronics (STM) 3.6%). On return on invested capital, Sony (SONY) leads (United Microelectronics (UMC) 11.6%, Sony (SONY) 12.2%, STMicroelectronics (STM) 3.9%).

Which stock has performed better?

Over the past year United Microelectronics (UMC) returned the most: United Microelectronics (UMC) +146.9%, Sony (SONY) -13.0%, STMicroelectronics (STM) +92.5%. Over five years, United Microelectronics (UMC) compounded fastest (United Microelectronics (UMC) +12.9%/yr, Sony (SONY) +1.7%/yr, STMicroelectronics (STM) +0.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

United Microelectronics (UMC) has the highest dividend yield: United Microelectronics (UMC) 2.12%, Sony (SONY) 0.32%, STMicroelectronics (STM) 0.74%.

Which stock is riskier?

By one-year price volatility, Sony (SONY) has been the steadiest (United Microelectronics (UMC) 64.5%, Sony (SONY) 29.3%, STMicroelectronics (STM) 60.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, UMC, SONY and STM?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, United Microelectronics (UMC) leads on 9. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.