SIMO vs SNDK vs WDC Stock Comparison

Silicon Motion Technology, Sandisk and Western Digital Prices as of Oct 26, 2026 Peers: Industry group
SNDK Sandisk Corp
$1,255.58 -29.4% 1M +574.5% 1Y
Market cap
$191.10B
P/E
16.7x
Revenue (TTM)
$20.25B
Div. yield
–
Server and Storage Hardware Technology
6 wins
WDC Western Digital Corp
$356.13 -22.0% 1M +175.2% 1Y
Market cap
$139.48B
P/E
13.9x
Revenue (TTM)
$14.48B
Div. yield
0.00%
Server and Storage Hardware Technology
4 wins

Head to Head

10 decided of 12

Sandisk leads on 6 of the 12 questions below (Sandisk 6, Western Digital 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSIMOSNDKWDCLeader
Larger companyMarket capitalisation $6.84B $191.10B $139.48B SNDK
Cheaper on earningsLower P/E, profitable companies only — 16.7x 13.9x WDC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.5x 6.1x 14.8x SNDK
Faster revenue growthRevenue growth, trailing twelve months — +175.3% +43.0% SNDK
More profitableNet margin, trailing twelve months — 56.5% 69.2% WDC
Better return on capitalReturn on invested capital — 73.7% 53.8% SNDK
Less leveragedLower net debt / EBITDA — — -0.1x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +90.8% +574.5% +175.2% SNDK
Better 5-year returnAnnualised price return, 5 years +21.4%/yr — +53.4%/yr WDC
Less volatileAnnualised volatility, 1 year 84.2% 111.7% 81.2% WDC
Higher overall scoreMean of the five percentile scores vs peers 35/100 79/100 78/100 SNDK

Percentile Scorecard

SIMOSNDKWDC

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

AxisSIMOSNDKWDC
Valuation 12 #84 of 95 66 #39 of 111 54 #52 of 111
Growth 26 #69 of 93 100 #1 of 108 99 #2 of 108
Profitability – 100 #1 of 104 98 #3 of 104
Financial Health 36 #65 of 101 82 #22 of 115 66 #40 of 115
Shareholder Returns 66 #26 of 75 49 #42 of 81 75 #21 of 81
Overall 35 79 78
  • SIMO ranked among 104 companies in Semiconductors
  • SNDK ranked among 121 companies in Computer Hardware
  • WDC ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodSIMOSNDKWDCSPY
1 month -31.5%-29.4%-22.0% -0.8%
3 months -22.6%-1.8%-28.5% +3.5%
6 months +28.2%+17.3%-11.1% +7.0%
Year to date +104.1%+428.9%+106.7% +12.2%
1 year +90.8%+574.5%+175.2% +13.0%
3 years +259.4%—+1,108.9% +86.3%
3 years, per year +53.2%—+129.6% +23.1%
5 years +163.6%—+749.3% +68.6%
5 years, per year +21.4%—+53.4% +11.0%
10 years +305.8%—+733.6% +258.0%
10 years, per year +15.0%—+23.6% +13.6%

Risk

MeasureSIMOSNDKWDCSPY
Volatility, 1Y 84.2%111.7%81.2% 12.7%
Downside volatility, 1Y 78.0%105.8%82.1% 12.7%
Beta vs S&P 500, 1Y 2.403.983.15 1.00
Return / volatility, 1Y 1.085.142.16 1.02
Max drawdown, 5Y -59.1%-56.5%-55.5% -25.4%
From 52-week high -43.8%-46.2%-52.3% -1.8%
52-week high $336.90$2,335.00$746.23 $779.14
52-week low $80.16$175.53$124.92 $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.

MultipleSIMOSNDKWDC
P/E now vs peer median —median 42.1x 16.1xmedian 32.0x 13.0xmedian 32.0x
P/S now vs peer median —median 7.1x 9.1xmedian 2.8x 9.2xmedian 2.8x
EV/EBITDA now vs peer median —median 27.5x 14.2xmedian 19.4x 21.8xmedian 19.4x
P/FCF now vs peer median -494.0xmedian 37.2x 15.9xmedian 29.0x 31.1xmedian 29.0x
P/B now vs peer median 6.1xmedian 4.2x 11.6xmedian 2.9x 14.3xmedian 2.9x
PEG now vs peer median —median 2.23 —median 1.13 0.17median 1.13

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 monthsSIMOSNDKWDC
Revenue – $20.25B $14.48B
Gross profit – $14.47B $7.62B
Operating income – $12.39B $5.71B
Net income $289.77M $11.43B $10.02B
Free cash flow -$12.85M $11.49B $4.29B
R&D – $1.33B $1.15B
EPS (diluted) – $73.76 $26.10
Cash & equivalents $74.37M $4.76B $1.31B
Total debt $167.29M – $12.58B
Shares (diluted) 33.68M 155.00M 384.00M
Enterprise value $6.23B $179.62B $129.30B

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
MetricSIMOSNDKWDC
P/E – 16.1x 13.0x
P/FCF -494.0x 15.9x 31.1x
P/Operating cash flow -95.2x 15.7x 27.4x
P/S – 9.1x 9.2x
P/B 6.1x 11.6x 14.3x
P/Tangible book 6.6x 11.6x 14.3x
EV/EBITDA – 14.2x 21.8x
EV/EBIT – 14.4x 23.3x
EV/Revenue – 8.8x 9.2x
EV/FCF -492.8x 15.5x 31.0x
EV/Operating cash flow -95.0x 15.3x 27.3x
PEG (3Y EPS CAGR) – – 0.17

Growth

14 metrics
MetricSIMOSNDKWDC
Revenue growth (1Y) – 175.3% 43.0%
Revenue CAGR (3Y) – – 57.4%
Gross profit growth (1Y) – 554.2% 85.2%
Gross profit CAGR (3Y) – – 126.7%
Operating income growth (1Y) – 999.7% 104.4%
Operating income CAGR (3Y) – – 85.5%
Net income growth (1Y) 270.6% 796.7% 288.7%
Net income CAGR (3Y) 49.0% – 83.2%
EPS growth (1Y) – 751.8% 286.8%
EPS CAGR (3Y) – – 75.8%
Operating cash flow growth (1Y) -182.4% 13,794% 108.7%
Operating cash flow CAGR (3Y) -36.3% – 88.3%
Free cash flow growth (1Y) -109.8% 9,678% 121.1%
Free cash flow CAGR (3Y) -27.6% – 66.0%

Profitability

14 metrics
MetricSIMOSNDKWDC
Gross margin – 71.5% 52.6%
EBITDA margin – 62.0% 42.1%
Operating margin – 61.2% 39.4%
Pretax margin – 64.3% 73.2%
Net margin – 56.5% 69.2%
FCF margin – 56.8% 29.6%
Operating cash flow margin – 57.6% 33.6%
Return on equity – 77.5% 110.0%
Return on assets – 57.8% 71.3%
Return on invested capital – 73.7% 53.8%
Return on capital employed – 87.2% 57.3%
Asset turnover – 1.0x 1.0x
Cash conversion (OCF / net income) -0.2x 1.0x 0.5x
Stock comp / revenue – 1.1% 1.6%

Financial Health

11 metrics
MetricSIMOSNDKWDC
Debt / assets 3.7% – 5.5%
Debt / equity 0.1x – 0.1x
Net debt / EBITDA – – -0.1x
Debt / FCF -4.6x – 0.2x
Liabilities / assets 34.8% 30.1% 34.3%
Equity / assets 65.2% 69.9% 65.7%
Interest coverage – 169.7x 48.8x
Current ratio 2.5x 2.3x 1.4x
Quick ratio 0.8x 12.2x 0.9x
Cash ratio 0.2x 0.9x 0.3x
Altman Z-score – 19.94 19.75

Shareholder Returns

7 metrics
MetricSIMOSNDKWDC
Dividend yield 1.1% – 0.2%
Net buyback yield – 0.0% 2.3%
Shareholder yield 1.1% 0.0% 2.4%
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.

ConsensusSIMOSNDKWDC
Forward P/E 16.5xFY2026 6.1xFY2027 14.8xFY2027
EPS, next fiscal year $11.50FY2026 $206.11FY2027 $24.04FY2027
EPS growth, next FY +223.9%FY2026 +190.8%FY2027 +135.2%FY2027
EPS growth, the year after +37.5% +36.1% +70.9%
Revenue, next fiscal year $1.82BFY2026 $50.93BFY2027 $20.04BFY2027
Revenue growth, next FY +105.0%FY2026 +151.5%FY2027 +55.1%FY2027
Revenue growth, the year after +27.4% +10.4% +39.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSIMOSNDKWDC
Held by institutions 72.4% 74.3% 93.7%
Institutions holding 380 1,816 1,845
Change in shares held, QoQ -9.8% -1.9% -1.3%
Institutions buying 223 1,269 1,127
Institutions selling 131 457 596
Buyers to sellers 1.70 2.78 1.89

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.

SIMOSNDKWDC
SIMO 1.00 0.52 0.50
SNDK 0.52 1.00 0.73
WDC 0.50 0.73 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SIMO, SNDK and WDC?

Sandisk (SNDK) is the largest by market capitalisation: Silicon Motion Technology (SIMO) $6.84B, Sandisk (SNDK) $191.10B, Western Digital (WDC) $139.48B.

Which stock is cheaper, SIMO, SNDK and WDC?

Western Digital (WDC) trades on the lowest price-to-earnings ratio (Sandisk (SNDK) 16.7x, Western Digital (WDC) 13.9x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (Silicon Motion Technology (SIMO) 16.5x, Sandisk (SNDK) 6.1x, Western Digital (WDC) 14.8x). 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%, Western Digital (WDC) +43.0%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Sandisk (SNDK) 56.5%, Western Digital (WDC) 69.2%). On return on invested capital, Sandisk (SNDK) leads (Sandisk (SNDK) 73.7%, Western Digital (WDC) 53.8%).

Which stock has performed better?

Over the past year Sandisk (SNDK) returned the most: Silicon Motion Technology (SIMO) +90.8%, Sandisk (SNDK) +574.5%, Western Digital (WDC) +175.2%. Over five years, Western Digital (WDC) compounded fastest (Silicon Motion Technology (SIMO) +21.4%/yr, Western Digital (WDC) +53.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Silicon Motion Technology (SIMO) 0.00%, Sandisk (SNDK) 0.00%, Western Digital (WDC) 0.00%. Silicon Motion Technology (SIMO) and Sandisk (SNDK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Western Digital (WDC) has been the steadiest (Silicon Motion Technology (SIMO) 84.2%, Sandisk (SNDK) 111.7%, Western Digital (WDC) 81.2%). Volatility measures how widely the price swings, not the risk of the business.

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

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.