SNDK vs STX vs UMC Stock Comparison

Sandisk, Seagate Technology Holdings and United Microelectronics Prices as of Oct 27, 2026 Peers: Industry group
SNDK Sandisk Corp
$1,304.84 -26.6% 1M +639.3% 1Y
Market cap
$203.18B
P/E
17.8x
Revenue (TTM)
$20.25B
Div. yield
–
Server and Storage Hardware Technology
7 wins
UMC United Microelectronics Corp
$19.47 -19.9% 1M +157.2% 1Y
Market cap
$46.06B
P/E
17.5x
Revenue (TTM)
$13.76B
Div. yield
–
Semiconductor Manufacturing Technology
2 wins

Head to Head

10 decided of 12

Sandisk leads on 7 of the 12 questions below (Sandisk 7, United Microelectronics 2, Seagate Technology Holdings 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSNDKSTXUMCLeader
Larger companyMarket capitalisation $203.18B $149.86B $46.06B SNDK
Cheaper on earningsLower P/E, profitable companies only 17.8x 34.1x 17.5x UMC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.3x 17.3x 17.7x SNDK
Faster revenue growthRevenue growth, trailing twelve months +175.3% +44.4% +85.6% SNDK
More profitableNet margin, trailing twelve months 56.5% — 19.1% SNDK
Better return on capitalReturn on invested capital 73.7% — 10.6% SNDK
Less leveragedLower net debt / EBITDA — — -0.9x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +639.3% +190.0% +157.2% SNDK
Better 5-year returnAnnualised price return, 5 years — +49.5%/yr +13.0%/yr STX
Less volatileAnnualised volatility, 1 year 111.5% 75.9% 64.4% UMC
Higher overall scoreMean of the five percentile scores vs peers 79/100 57/100 72/100 SNDK

Percentile Scorecard

SNDKSTXUMC

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

AxisSNDKSTXUMC
Valuation 66 #39 of 112 24 #85 of 112 83 #17 of 94
Growth 100 #1 of 109 99 #2 of 109 56 #41 of 92
Profitability 100 #1 of 104 93 #8 of 104 73 #25 of 90
Financial Health 82 #22 of 116 25 #87 of 116 55 #45 of 99
Shareholder Returns 49 #42 of 81 43 #47 of 81 93 #6 of 73
Overall 79 57 72
  • SNDK ranked among 122 companies in Computer Hardware
  • STX ranked among 122 companies in Computer Hardware
  • UMC ranked among 103 companies in Semiconductors

Price Performance

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

Returns

PeriodSNDKSTXUMCSPY
1 month -26.6%-27.2%-19.9% -0.2%
3 months +19.0%-10.6%+12.1% +3.9%
6 months +30.2%+15.3%+67.0% +8.2%
Year to date +449.7%+142.5%+147.7% +12.9%
1 year +639.3%+190.0%+157.2% +12.3%
3 years —+879.3%+175.4% +87.4%
3 years, per year —+114.1%+40.2% +23.3%
5 years —+645.8%+83.9% +67.9%
5 years, per year —+49.5%+13.0% +10.9%
10 years —+1,850.5%+958.2% +261.1%
10 years, per year —+34.6%+26.6% +13.7%

Risk

MeasureSNDKSTXUMCSPY
Volatility, 1Y 111.5%75.9%64.4% 12.7%
Downside volatility, 1Y 105.8%76.2%56.8% 12.7%
Beta vs S&P 500, 1Y 3.982.521.79 1.00
Return / volatility, 1Y 5.732.502.44 0.97
Max drawdown, 5Y -56.5%-58.2%-57.3% -25.4%
From 52-week high -44.1%-39.0%-30.5% -1.2%
52-week high $2,335.00$1,094.04$28.01 $779.14
52-week low $175.53$223.00$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.

MultipleSNDKSTXUMC
P/E now vs peer median 16.8xmedian 33.2x 33.3xmedian 33.2x 18.1xmedian 45.6x
P/S now vs peer median 9.4xmedian 2.8x 11.0xmedian 2.8x 3.6xmedian 7.7x
EV/EBITDA now vs peer median 14.8xmedian 20.0x —median 20.0x 13.0xmedian 29.0x
P/FCF now vs peer median 16.6xmedian 29.8x 69.1xmedian 29.8x 24.8xmedian 40.6x
P/B now vs peer median 12.1xmedian 3.0x 43.9xmedian 3.0x 3.5xmedian 4.6x
PEG now vs peer median —median 1.17 0.35median 1.17 26.42median 2.28

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 monthsSNDKSTXUMC
Revenue $20.25B $13.80B $13.76B
Gross profit $14.47B – $2.47B
Operating income $12.39B $5.46B $1.60B
Net income $11.43B $4.40B $2.62B
Free cash flow $11.49B – $1.98B
R&D $1.33B $769.00M $609.13M
EPS (diluted) $73.76 $19.20 $1.07
Cash & equivalents $4.76B $1.26B $3.91B
Total debt – – $4.90B
Shares (diluted) 155.00M 229.00M 2.47B
Enterprise value $191.70B $149.86B $31.32B

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
MetricSNDKSTXUMC
P/E 16.8x 33.3x 18.1x
P/FCF 16.6x 69.1x 24.8x
P/Operating cash flow 16.3x 31.3x 13.9x
P/S 9.4x 11.0x 3.6x
P/B 12.1x 43.9x 3.5x
P/Tangible book 12.1x 43.9x 3.5x
EV/EBITDA 14.8x – 13.0x
EV/EBIT 15.0x – 28.7x
EV/Revenue 9.2x 11.0x 3.3x
EV/FCF 16.2x – 23.2x
EV/Operating cash flow 15.9x 31.3x 13.0x
PEG (3Y EPS CAGR) – 0.35 26.42

Growth

14 metrics
MetricSNDKSTXUMC
Revenue growth (1Y) 175.3% 44.4% 85.6%
Revenue CAGR (3Y) – 26.6% 18.5%
Gross profit growth (1Y) 554.2% – 11.3%
Gross profit CAGR (3Y) – – -10.1%
Operating income growth (1Y) 999.7% 150.5% 9.6%
Operating income CAGR (3Y) – 125.4% -16.5%
Net income growth (1Y) 796.7% 156.6% 104.8%
Net income CAGR (3Y) – 99.4% -0.2%
EPS growth (1Y) 751.8% 153.3% 116.8%
EPS CAGR (3Y) – 94.7% 0.7%
Operating cash flow growth (1Y) 13,794% 217.9% 17.5%
Operating cash flow CAGR (3Y) – 80.3% -3.7%
Free cash flow growth (1Y) 9,678% – 447.4%
Free cash flow CAGR (3Y) – – -7.5%

Profitability

14 metrics
MetricSNDKSTXUMC
Gross margin 71.5% – 18.0%
EBITDA margin 62.0% – 25.6%
Operating margin 61.2% – 11.6%
Pretax margin 64.3% – 30.3%
Net margin 56.5% – 19.1%
FCF margin 56.8% – 14.4%
Operating cash flow margin 57.6% 35.0% 25.6%
Return on equity 77.5% 156.4% 19.7%
Return on assets 57.8% 43.3% 13.2%
Return on invested capital 73.7% – 10.6%
Return on capital employed 87.2% – 9.7%
Asset turnover 1.0x 1.4x 0.7x
Cash conversion (OCF / net income) 1.0x 1.1x 1.3x
Stock comp / revenue 1.1% 1.7% 0.1%

Financial Health

11 metrics
MetricSNDKSTXUMC
Debt / assets – – 3.5%
Debt / equity – – 0.1x
Net debt / EBITDA – – -0.9x
Debt / FCF – – 0.4x
Liabilities / assets 30.1% 66.6% 33.3%
Equity / assets 69.9% 33.4% 66.7%
Interest coverage 169.7x – 30.3x
Current ratio 2.3x 1.8x 2.2x
Quick ratio 12.2x – 1.6x
Cash ratio 0.9x – 1.2x
Altman Z-score 20.58 – –

Shareholder Returns

7 metrics
MetricSNDKSTXUMC
Dividend yield – 0.4% 2.1%
Net buyback yield 0.0% – –
Shareholder yield 0.0% 0.4% 2.1%
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.

ConsensusSNDKSTXUMC
Forward P/E 6.3xFY2027 17.3xFY2027 17.7xFY2026
EPS, next fiscal year $206.11FY2027 $38.53FY2027 $1.10FY2026
EPS growth, next FY +190.8%FY2027 +147.3%FY2027 +107.5%FY2026
EPS growth, the year after +36.1% +63.8% -2.7%
Revenue, next fiscal year $50.93BFY2027 $19.55BFY2027 $8.52BFY2026
Revenue growth, next FY +151.5%FY2027 +60.2%FY2027 +12.1%FY2026
Revenue growth, the year after +10.4% +29.7% +24.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSNDKSTXUMC
Held by institutions – 83.8% 7.1%
Institutions holding – 1,955 362
Change in shares held, QoQ – +1.4% +3.2%
Institutions buying – 1,207 220
Institutions selling – 590 109
Buyers to sellers – 2.05 2.02

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.

SNDKSTXUMC
SNDK 1.00 0.71 0.42
STX 0.71 1.00 0.35
UMC 0.42 0.35 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SNDK, STX and UMC?

Sandisk (SNDK) is the largest by market capitalisation: Sandisk (SNDK) $203.18B, Seagate Technology Holdings (STX) $149.86B, United Microelectronics (UMC) $46.06B.

Which stock is cheaper, SNDK, STX and UMC?

United Microelectronics (UMC) trades on the lowest price-to-earnings ratio (Sandisk (SNDK) 17.8x, Seagate Technology Holdings (STX) 34.1x, United Microelectronics (UMC) 17.5x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (Sandisk (SNDK) 6.3x, Seagate Technology Holdings (STX) 17.3x, United Microelectronics (UMC) 17.7x). 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) +175.3%, Seagate Technology Holdings (STX) +44.4%, United Microelectronics (UMC) +85.6%.

Which company is more profitable?

Sandisk (SNDK) has the highest net margin (Sandisk (SNDK) 56.5%, United Microelectronics (UMC) 19.1%). On return on invested capital, Sandisk (SNDK) leads (Sandisk (SNDK) 73.7%, United Microelectronics (UMC) 10.6%).

Which stock has performed better?

Over the past year Sandisk (SNDK) returned the most: Sandisk (SNDK) +639.3%, Seagate Technology Holdings (STX) +190.0%, United Microelectronics (UMC) +157.2%. Over five years, Seagate Technology Holdings (STX) compounded fastest (Seagate Technology Holdings (STX) +49.5%/yr, United Microelectronics (UMC) +13.0%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, United Microelectronics (UMC) has been the steadiest (Sandisk (SNDK) 111.5%, Seagate Technology Holdings (STX) 75.9%, United Microelectronics (UMC) 64.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, SNDK, STX 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 7. 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.