SNDK vs WDC vs SIMO Stock Comparison

Sandisk, Western Digital and Silicon Motion Technology Prices as of Nov 2, 2026 Peers: Industry group
1 more company in this comparison (HPE) Create a free account to keep reading and compare up to 10 companies.
SNDK Sandisk Corp
$1,075.08 -37.5% 1M +439.3% 1Y
Market cap
$156.96B
P/E
8.1x
Revenue (TTM)
$28.97B
Div. yield
–
Server and Storage Hardware Technology
6 wins
WDC Western Digital Corp
$338.59 -18.5% 1M +125.4% 1Y
Market cap
$126.74B
P/E
12.4x
Revenue (TTM)
$14.48B
Div. yield
0.16%
Server and Storage Hardware Technology
3 wins

Head to Head

10 decided of 12

Sandisk leads on 6 of the 12 questions below (Sandisk 6, Western Digital 3, Silicon Motion Technology 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSNDKWDCSIMOLeader
Larger companyMarket capitalisation $156.96B $126.74B $6.31B SNDK
Cheaper on earningsLower P/E, profitable companies only 8.1x 12.4x — SNDK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 5.2x 14.1x 16.3x SNDK
Faster revenue growthRevenue growth, trailing twelve months +272.4% +43.0% — SNDK
More profitableNet margin, trailing twelve months 67.0% 69.2% — WDC
Better return on capitalReturn on invested capital — 53.8% — –
Less leveragedLower net debt / EBITDA — -0.1x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.16% 1.06% SIMO
Better 1-year returnPrice return, last 12 months +439.3% +125.4% +91.5% SNDK
Better 5-year returnAnnualised price return, 5 years — +51.7%/yr +21.6%/yr WDC
Less volatileAnnualised volatility, 1 year 112.5% 80.8% 86.0% WDC
Higher overall scoreMean of the five percentile scores vs peers 90/100 79/100 35/100 SNDK

Percentile Scorecard

SNDKWDCSIMO

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

AxisSNDKWDCSIMO
Valuation 78 #25 of 112 53 #53 of 112 11 #84 of 94
Growth 100 #1 of 108 98 #3 of 108 22 #72 of 92
Profitability 100 #1 of 104 97 #4 of 104 –
Financial Health 83 #21 of 116 67 #39 of 116 39 #62 of 101
Shareholder Returns 89 #10 of 80 81 #16 of 80 69 #24 of 74
Overall 90 79 35
  • SNDK ranked among 121 companies in Computer Hardware
  • WDC ranked among 121 companies in Computer Hardware
  • SIMO ranked among 103 companies in Semiconductors

Price Performance

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

Returns

PeriodSNDKWDCSIMOSPY
1 month -37.5%-18.5%-33.0% -2.3%
3 months -16.5%-35.8%-25.3% -0.7%
6 months -14.4%-23.5%-17.3% +4.8%
Year to date +352.9%+96.5%+102.7% +10.3%
1 year +439.3%+125.4%+91.5% +10.3%
3 years —+941.5%+236.7% +73.0%
3 years, per year —+118.5%+49.9% +20.1%
5 years —+703.3%+165.9% +61.9%
5 years, per year —+51.7%+21.6% +10.1%
10 years —+711.6%+343.7% +258.6%
10 years, per year —+23.3%+16.1% +13.6%

Risk

MeasureSNDKWDCSIMOSPY
Volatility, 1Y 112.5%80.8%86.0% 12.8%
Downside volatility, 1Y 108.5%83.3%81.1% 12.8%
Beta vs S&P 500, 1Y 4.123.212.53 1.00
Return / volatility, 1Y 3.911.551.06 0.80
Max drawdown, 5Y -56.5%-55.5%-59.1% -25.4%
From 52-week high -54.0%-54.6%-44.2% -3.5%
52-week high $2,335.00$746.23$336.90 $779.14
52-week low $194.38$139.19$80.16 $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.

MultipleSNDKWDCSIMO
P/E now vs peer median 8.1xmedian 29.9x 12.4xmedian 29.9x —median 41.3x
P/S now vs peer median 5.4xmedian 2.8x 8.8xmedian 2.8x —median 6.6x
EV/EBITDA now vs peer median 7.2xmedian 18.5x 20.7xmedian 18.5x —median 26.2x
P/FCF now vs peer median 9.0xmedian 28.0x 29.6xmedian 28.0x -21.5xmedian 37.7x
P/B now vs peer median 8.7xmedian 2.8x 13.6xmedian 2.8x 5.6xmedian 4.3x
PEG now vs peer median —median 1.00 0.16median 1.00 —median 1.81

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 monthsSNDKWDCSIMO
Revenue $28.97B $14.48B –
Gross profit $23.16B $7.62B –
Operating income $20.99B $5.71B –
Net income $19.42B $10.02B $315.97M
Free cash flow $17.37B $4.29B -$292.98M
R&D $1.40B $1.15B –
EPS (diluted) $125.30 $26.10 –
Cash & equivalents $5.14B $1.31B $845.93M
Total debt – $789.00M –
Shares (diluted) 155.00M 384.00M 33.68M
Enterprise value $141.79B $116.57B $5.05B

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
MetricSNDKWDCSIMO
P/E 8.1x 12.4x –
P/FCF 9.0x 29.6x -21.5x
P/Operating cash flow 8.9x 26.1x -18.0x
P/S 5.4x 8.8x –
P/B 8.7x 13.6x 5.6x
P/Tangible book 8.7x 13.6x 5.6x
EV/EBITDA 7.2x 20.7x –
EV/EBIT 7.2x 22.1x –
EV/Revenue 5.2x 8.7x –
EV/FCF 8.7x 29.4x -18.6x
EV/Operating cash flow 8.7x 26.0x -15.6x
PEG (3Y EPS CAGR) – 0.16 –

Growth

14 metrics
MetricSNDKWDCSIMO
Revenue growth (1Y) 272.4% 43.0% –
Revenue CAGR (3Y) – 57.4% –
Gross profit growth (1Y) 965.9% 85.2% –
Gross profit CAGR (3Y) – 126.7% –
Operating income growth (1Y) 1,507% 104.4% –
Operating income CAGR (3Y) – 85.5% –
Net income growth (1Y) 1,216% 288.7% 227.6%
Net income CAGR (3Y) – 83.2% 78.8%
EPS growth (1Y) 1,173% 286.8% –
EPS CAGR (3Y) – 75.8% –
Operating cash flow growth (1Y) 2,396% 108.7% -750.8%
Operating cash flow CAGR (3Y) – 88.3% -63.4%
Free cash flow growth (1Y) 3,265% 121.1% -361.9%
Free cash flow CAGR (3Y) – 66.0% -51.7%

Profitability

14 metrics
MetricSNDKWDCSIMO
Gross margin 80.0% 52.6% –
EBITDA margin 73.0% 42.1% –
Operating margin 72.5% 39.4% –
Pretax margin 76.7% 73.2% –
Net margin 67.0% 69.2% –
FCF margin 59.9% 29.6% –
Operating cash flow margin 60.6% 33.6% –
Return on equity 114.7% 110.0% –
Return on assets 80.4% 71.3% –
Return on invested capital – 53.8% –
Return on capital employed 115.4% 57.3% –
Asset turnover 1.2x 1.0x –
Cash conversion (OCF / net income) 0.9x 0.5x -1.1x
Stock comp / revenue 0.9% 1.6% –

Financial Health

11 metrics
MetricSNDKWDCSIMO
Debt / assets – 5.5% –
Debt / equity – 0.1x –
Net debt / EBITDA – -0.1x –
Debt / FCF – 0.2x –
Liabilities / assets 29.7% 34.3% 58.9%
Equity / assets 70.3% 65.7% 41.1%
Interest coverage 599.8x 48.8x –
Current ratio 2.6x 1.4x 5.7x
Quick ratio 16.7x 0.9x 3.0x
Cash ratio 0.9x 0.3x 2.0x
Altman Z-score 17.51 18.95 –

Shareholder Returns

7 metrics
MetricSNDKWDCSIMO
Dividend yield – 0.2% 1.1%
Net buyback yield 3.2% 2.4% –
Shareholder yield 3.2% 2.5% 1.1%
Payout ratio (earnings) – 2.0% –
Payout ratio (FCF) – 4.6% –
Dividend growth (1Y) – 151.3% –
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.

ConsensusSNDKWDCSIMO
Forward P/E 5.2xFY2027 14.1xFY2027 16.3xFY2026
EPS, next fiscal year $206.11FY2027 $24.04FY2027 $11.50FY2026
EPS growth, next FY +190.8%FY2027 +135.2%FY2027 +223.9%FY2026
EPS growth, the year after +36.1% +70.9% +37.5%
Revenue, next fiscal year $50.93BFY2027 $20.04BFY2027 $1.82BFY2026
Revenue growth, next FY +151.5%FY2027 +55.1%FY2027 +105.0%FY2026
Revenue growth, the year after +10.4% +39.2% +27.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSNDKWDCSIMO
Held by institutions – 93.7% 72.4%
Institutions holding – 1,847 381
Change in shares held, QoQ – -1.3% -9.8%
Institutions buying – 1,128 223
Institutions selling – 597 132
Buyers to sellers – 1.89 1.69

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.

SNDKWDCSIMO
SNDK 1.00 0.73 0.53
WDC 0.73 1.00 0.53
SIMO 0.53 0.53 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SNDK, WDC and SIMO?

Sandisk (SNDK) is the largest by market capitalisation: Sandisk (SNDK) $156.96B, Western Digital (WDC) $126.74B, Silicon Motion Technology (SIMO) $6.31B.

Which stock is cheaper, SNDK, WDC and SIMO?

Sandisk (SNDK) trades on the lowest price-to-earnings ratio (Sandisk (SNDK) 8.1x, Western Digital (WDC) 12.4x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (Sandisk (SNDK) 5.2x, Western Digital (WDC) 14.1x, Silicon Motion Technology (SIMO) 16.3x). 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%, Western Digital (WDC) +43.0%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Sandisk (SNDK) 67.0%, Western Digital (WDC) 69.2%).

Which stock has performed better?

Over the past year Sandisk (SNDK) returned the most: Sandisk (SNDK) +439.3%, Western Digital (WDC) +125.4%, Silicon Motion Technology (SIMO) +91.5%. Over five years, Western Digital (WDC) compounded fastest (Western Digital (WDC) +51.7%/yr, Silicon Motion Technology (SIMO) +21.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Silicon Motion Technology (SIMO) has the highest dividend yield: Sandisk (SNDK) 0.00%, Western Digital (WDC) 0.16%, Silicon Motion Technology (SIMO) 1.06%. Sandisk (SNDK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Western Digital (WDC) has been the steadiest (Sandisk (SNDK) 112.5%, Western Digital (WDC) 80.8%, Silicon Motion Technology (SIMO) 86.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, SNDK, WDC and SIMO?

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 6. 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.