SNDK vs STM vs UMC Stock Comparison

Sandisk, STMicroelectronics and United Microelectronics Prices as of Oct 29, 2026 Peers: Industry group
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SNDK Sandisk Corp
$1,330.05 -23.1% 1M +550.8% 1Y
Market cap
$157.46B
P/E
8.1x
Revenue (TTM)
$28.97B
Div. yield
–
Server and Storage Hardware Technology
5 wins
STM STMicroelectronics N.V.
$50.01 -6.0% 1M +102.6% 1Y
Market cap
$42.19B
P/E
81.1x
Revenue (TTM)
$13.67B
Div. yield
–
Semiconductor Manufacturing Technology
1 win
UMC United Microelectronics Corp
$18.04 -27.0% 1M +144.1% 1Y
Market cap
$40.18B
P/E
15.2x
Revenue (TTM)
$14.11B
Div. yield
–
Semiconductor Manufacturing Technology
3 wins

Head to Head

9 decided of 12

Sandisk leads on 5 of the 12 questions below (Sandisk 5, United Microelectronics 3, STMicroelectronics 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSNDKSTMUMCLeader
Larger companyMarket capitalisation $157.46B $42.19B $40.18B SNDK
Cheaper on earningsLower P/E, profitable companies only 8.1x 81.1x 15.2x SNDK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.5x 38.8x 16.4x SNDK
Faster revenue growthRevenue growth, trailing twelve months +272.4% +15.9% +87.7% SNDK
More profitableNet margin, trailing twelve months — 3.8% 18.7% UMC
Better return on capitalReturn on invested capital — — 11.6% –
Less leveragedLower net debt / EBITDA — — -1.0x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +550.8% +102.6% +144.1% SNDK
Better 5-year returnAnnualised price return, 5 years — +1.0%/yr +11.9%/yr UMC
Less volatileAnnualised volatility, 1 year 110.9% 60.2% 64.6% STM
Higher overall scoreMean of the five percentile scores vs peers 80/100 42/100 80/100 UMC

Percentile Scorecard

SNDKSTMUMC

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

AxisSNDKSTMUMC
Valuation 56 #50 of 112 77 #22 of 94 95 #6 of 94
Growth 100 #1 of 108 15 #78 of 92 78 #21 of 92
Profitability 92 #9 of 104 32 #60 of 88 72 #25 of 88
Financial Health 72 #33 of 116 39 #59 of 96 67 #32 of 96
Shareholder Returns – 44 #41 of 72 89 #9 of 72
Overall 80 42 80
  • SNDK ranked among 121 companies in Computer Hardware
  • STM ranked among 103 companies in Semiconductors
  • UMC ranked among 103 companies in Semiconductors

Price Performance

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

Returns

PeriodSNDKSTMUMCSPY
1 month -23.1%-6.0%-27.0% +0.7%
3 months +3.9%-5.7%-4.9% +3.7%
6 months +21.3%-9.3%+38.1% +7.1%
Year to date +460.3%+92.8%+129.5% +12.8%
1 year +550.8%+102.6%+144.1% +11.9%
3 years —+32.7%+155.2% +85.2%
3 years, per year —+9.9%+36.7% +22.8%
5 years —+5.0%+75.7% +67.6%
5 years, per year —+1.0%+11.9% +10.9%
10 years —+443.0%+864.7% +262.0%
10 years, per year —+18.4%+25.4% +13.7%

Risk

MeasureSNDKSTMUMCSPY
Volatility, 1Y 110.9%60.2%64.6% 12.7%
Downside volatility, 1Y 106.1%61.4%56.9% 12.6%
Beta vs S&P 500, 1Y 4.002.861.80 1.00
Return / volatility, 1Y 4.971.712.23 0.94
Max drawdown, 5Y -56.5%-67.2%-57.3% -25.4%
From 52-week high -43.0%-37.4%-35.6% -1.2%
52-week high $2,335.00$79.91$28.01 $779.14
52-week low $194.38$21.20$7.02 $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.

MultipleSNDKSTMUMC
P/E now vs peer median 10.1xmedian 32.9x 85.9xmedian 46.4x 16.7xmedian 46.4x
P/S now vs peer median 6.7xmedian 2.9x 3.3xmedian 7.8x 3.2xmedian 7.8x
EV/EBITDA now vs peer median —median 20.0x —median 27.5x 11.1xmedian 27.5x
P/FCF now vs peer median 22.7xmedian 30.2x —median 40.1x 20.7xmedian 40.1x
P/B now vs peer median 10.7xmedian 2.9x —median 4.7x 3.1xmedian 4.7x
PEG now vs peer median —median 1.08 -1.70median 2.10 2.62median 2.10

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 monthsSNDKSTMUMC
Revenue $28.97B $13.67B $14.11B
Gross profit $23.16B $4.83B $2.67B
Operating income $20.99B $991.00M $1.81B
Net income $19.42B $107.00M $2.64B
Free cash flow – – $2.19B
R&D $1.40B $2.15B $595.72M
EPS (diluted) $125.30 $0.56 $1.07
Cash & equivalents $5.14B $2.61B $4.48B
Total debt – $3.21B $781.92M
Shares (diluted) 155.00M 923.05M 2.47B
Enterprise value $157.46B $27.51B $24.55B

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
MetricSNDKSTMUMC
P/E 10.1x 85.9x 16.7x
P/FCF 22.7x – 20.7x
P/Operating cash flow 11.1x – 12.1x
P/S 6.7x 3.3x 3.2x
P/B 10.7x – 3.1x
P/Tangible book 10.7x – 3.1x
EV/EBITDA – – 11.1x
EV/EBIT – 44.1x 23.1x
EV/Revenue 6.7x 3.2x 3.0x
EV/FCF – – 19.0x
EV/Operating cash flow 11.1x – 11.1x
PEG (3Y EPS CAGR) – -1.70 2.62

Growth

14 metrics
MetricSNDKSTMUMC
Revenue growth (1Y) 272.4% 15.9% 87.7%
Revenue CAGR (3Y) – 1.3% 22.9%
Gross profit growth (1Y) 965.9% 18.5% 22.7%
Gross profit CAGR (3Y) – -17.0% -2.4%
Operating income growth (1Y) 1,507% 132.1% 29.9%
Operating income CAGR (3Y) – -41.2% -6.7%
Net income growth (1Y) 1,216% -80.1% 97.8%
Net income CAGR (3Y) – -71.0% 5.5%
EPS growth (1Y) 1,173% -1.5% 97.8%
EPS CAGR (3Y) – -50.5% 6.4%
Operating cash flow growth (1Y) 2,396% – 19.0%
Operating cash flow CAGR (3Y) – – 5.1%
Free cash flow growth (1Y) – – 410.9%
Free cash flow CAGR (3Y) – – 11.3%

Profitability

14 metrics
MetricSNDKSTMUMC
Gross margin – 35.4% 18.9%
EBITDA margin – – 26.7%
Operating margin – 7.3% 12.8%
Pretax margin – 5.9% 30.5%
Net margin – 3.8% 18.7%
FCF margin – – 15.5%
Operating cash flow margin 60.6% – 26.7%
Return on equity 114.7% – 18.4%
Return on assets 80.4% 2.0% 12.5%
Return on invested capital – – 11.6%
Return on capital employed – 4.3% 9.6%
Asset turnover 1.2x 0.5x 0.7x
Cash conversion (OCF / net income) 0.9x – 1.4x
Stock comp / revenue 0.9% – 0.1%

Financial Health

11 metrics
MetricSNDKSTMUMC
Debt / assets – 12.0% 3.7%
Debt / equity – – 0.1x
Net debt / EBITDA – – -1.0x
Debt / FCF – – 0.4x
Liabilities / assets 29.7% 31.4% 30.3%
Equity / assets 70.3% – 69.7%
Interest coverage – 11.4x 33.0x
Current ratio 2.6x 3.1x 3.3x
Quick ratio – 1.6x 2.6x
Cash ratio – 1.0x 2.0x
Altman Z-score – 4.88 –

Shareholder Returns

7 metrics
MetricSNDKSTMUMC
Dividend yield – 0.7% 2.2%
Net buyback yield – – 0.7%
Shareholder yield 0.0% 0.7% 2.9%
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.

ConsensusSNDKSTMUMC
Forward P/E 6.5xFY2027 38.8xFY2026 16.4xFY2026
EPS, next fiscal year $206.11FY2027 $1.29FY2026 $1.10FY2026
EPS growth, next FY +190.8%FY2027 +143.4%FY2026 +107.5%FY2026
EPS growth, the year after +36.1% +103.1% -2.7%
Revenue, next fiscal year $50.93BFY2027 $13.79BFY2026 $8.52BFY2026
Revenue growth, next FY +151.5%FY2027 +16.9%FY2026 +12.1%FY2026
Revenue growth, the year after +10.4% +18.2% +24.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSNDKSTMUMC
Held by institutions – 19.0% 7.1%
Institutions holding – 604 363
Change in shares held, QoQ – +57.4% +3.2%
Institutions buying – 430 220
Institutions selling – 108 110
Buyers to sellers – 3.98 2.00

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.

SNDKSTMUMC
SNDK 1.00 0.46 0.42
STM 0.46 1.00 0.41
UMC 0.42 0.41 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SNDK, STM and UMC?

Sandisk (SNDK) is the largest by market capitalisation: Sandisk (SNDK) $157.46B, STMicroelectronics (STM) $42.19B, United Microelectronics (UMC) $40.18B.

Which stock is cheaper, SNDK, STM and UMC?

Sandisk (SNDK) trades on the lowest price-to-earnings ratio (Sandisk (SNDK) 8.1x, STMicroelectronics (STM) 81.1x, United Microelectronics (UMC) 15.2x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (Sandisk (SNDK) 6.5x, STMicroelectronics (STM) 38.8x, United Microelectronics (UMC) 16.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Sandisk (SNDK) grew revenue fastest over the trailing twelve months: Sandisk (SNDK) +272.4%, STMicroelectronics (STM) +15.9%, United Microelectronics (UMC) +87.7%.

Which company is more profitable?

United Microelectronics (UMC) has the highest net margin (STMicroelectronics (STM) 3.8%, United Microelectronics (UMC) 18.7%).

Which stock has performed better?

Over the past year Sandisk (SNDK) returned the most: Sandisk (SNDK) +550.8%, STMicroelectronics (STM) +102.6%, United Microelectronics (UMC) +144.1%. Over five years, United Microelectronics (UMC) compounded fastest (STMicroelectronics (STM) +1.0%/yr, United Microelectronics (UMC) +11.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, STMicroelectronics (STM) has been the steadiest (Sandisk (SNDK) 110.9%, STMicroelectronics (STM) 60.2%, United Microelectronics (UMC) 64.6%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Sandisk (SNDK) leads on 5. 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.