SNDK vs WDC vs SILC Stock Comparison

Sandisk, Western Digital and Silicom Prices as of Oct 26, 2026 Peers: Industry group
SNDK Sandisk Corp
$1,255.58 -29.4% 1M +574.5% 1Y
Market cap
$191.85B
P/E
16.8x
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
$139.90B
P/E
14.0x
Revenue (TTM)
$14.48B
Div. yield
0.00%
Server and Storage Hardware Technology
4 wins
SILC Silicom Ltd.
$40.10 -24.0% 1M +133.3% 1Y
Market cap
$239.09M
P/E
–
Revenue (TTM)
$75.43M
Div. yield
–
Networking Equipment Technology

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.

QuestionSNDKWDCSILCLeader
Larger companyMarket capitalisation $191.85B $139.90B $239.09M SNDK
Cheaper on earningsLower P/E, profitable companies only 16.8x 14.0x -24.4x WDC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.1x 14.8x — SNDK
Faster revenue growthRevenue growth, trailing twelve months +175.3% +43.0% +28.6% SNDK
More profitableNet margin, trailing twelve months 56.5% 69.2% -13.0% 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 +574.5% +175.2% +133.3% SNDK
Better 5-year returnAnnualised price return, 5 years — +53.4%/yr -1.4%/yr WDC
Less volatileAnnualised volatility, 1 year 111.7% 81.2% 90.3% WDC
Higher overall scoreMean of the five percentile scores vs peers 79/100 78/100 36/100 SNDK

Percentile Scorecard

SNDKWDCSILC

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

AxisSNDKWDCSILC
Valuation 66 #39 of 111 54 #52 of 111 42 #65 of 111
Growth 100 #1 of 108 99 #2 of 108 22 #85 of 108
Profitability 100 #1 of 104 98 #3 of 104 18 #86 of 104
Financial Health 82 #22 of 115 66 #40 of 115 65 #41 of 115
Shareholder Returns 49 #42 of 81 75 #21 of 81 –
Overall 79 78 36
  • SNDK ranked among 121 companies in Computer Hardware
  • WDC ranked among 121 companies in Computer Hardware
  • SILC ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodSNDKWDCSILCSPY
1 month -29.4%-22.0%-24.0% -0.8%
3 months -1.8%-28.5%+1.8% +3.5%
6 months +17.3%-11.1%+38.8% +7.0%
Year to date +428.9%+106.7%+172.8% +12.2%
1 year +574.5%+175.2%+133.3% +13.0%
3 years —+1,108.9%+167.3% +86.3%
3 years, per year —+129.6%+38.8% +23.1%
5 years —+749.3%-6.6% +68.6%
5 years, per year —+53.4%-1.4% +11.0%
10 years —+733.6%-4.1% +258.0%
10 years, per year —+23.6%-0.4% +13.6%

Risk

MeasureSNDKWDCSILCSPY
Volatility, 1Y 111.7%81.2%90.3% 12.7%
Downside volatility, 1Y 105.8%82.1%79.5% 12.7%
Beta vs S&P 500, 1Y 3.983.153.00 1.00
Return / volatility, 1Y 5.142.161.48 1.02
Max drawdown, 5Y -56.5%-55.5%-77.3% -25.4%
From 52-week high -46.2%-52.3%-35.0% -1.8%
52-week high $2,335.00$746.23$61.65 $779.14
52-week low $175.53$124.92$13.50 $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.

MultipleSNDKWDCSILC
P/E now vs peer median 16.1xmedian 32.0x 13.0xmedian 32.0x -23.4xmedian 32.0x
P/S now vs peer median 9.1xmedian 2.8x 9.2xmedian 2.8x 3.0xmedian 2.8x
EV/EBITDA now vs peer median 14.2xmedian 19.4x 21.8xmedian 19.4x —median 19.4x
P/FCF now vs peer median 15.9xmedian 29.0x 31.1xmedian 29.0x —median 29.0x
P/B now vs peer median 11.6xmedian 2.9x 14.3xmedian 2.9x 2.0xmedian 2.9x
PEG now vs peer median —median 1.13 0.17median 1.13 0.62median 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 monthsSNDKWDCSILC
Revenue $20.25B $14.48B $75.43M
Gross profit $14.47B $7.62B $22.75M
Operating income $12.39B $5.71B -$10.69M
Net income $11.43B $10.02B -$9.79M
Free cash flow $11.49B $4.29B –
R&D $1.33B $1.15B $21.03M
EPS (diluted) $73.76 $26.10 $-1.72
Cash & equivalents $4.76B $1.31B $25.15M
Total debt – $12.58B –
Shares (diluted) 155.00M 384.00M 5.71M
Enterprise value $180.37B $129.73B $99.79M

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
MetricSNDKWDCSILC
P/E 16.1x 13.0x -23.4x
P/FCF 15.9x 31.1x –
P/Operating cash flow 15.7x 27.4x –
P/S 9.1x 9.2x 3.0x
P/B 11.6x 14.3x 2.0x
P/Tangible book 11.6x 14.3x 2.1x
EV/EBITDA 14.2x 21.8x –
EV/EBIT 14.4x 23.3x -18.5x
EV/Revenue 8.8x 9.2x 2.6x
EV/FCF 15.5x 31.0x –
EV/Operating cash flow 15.3x 27.3x –
PEG (3Y EPS CAGR) – 0.17 0.62

Growth

14 metrics
MetricSNDKWDCSILC
Revenue growth (1Y) 175.3% 43.0% 28.6%
Revenue CAGR (3Y) – 57.4% -22.1%
Gross profit growth (1Y) 554.2% 85.2% 31.6%
Gross profit CAGR (3Y) – 126.7% -24.5%
Operating income growth (1Y) 999.7% 104.4% 18.2%
Operating income CAGR (3Y) – 85.5% -35.7%
Net income growth (1Y) 796.7% 288.7% 34.3%
Net income CAGR (3Y) – 83.2% -36.0%
EPS growth (1Y) 751.8% 286.8% 30.7%
EPS CAGR (3Y) – 75.8% -37.8%
Operating cash flow growth (1Y) 13,794% 108.7% –
Operating cash flow CAGR (3Y) – 88.3% –
Free cash flow growth (1Y) 9,678% 121.1% –
Free cash flow CAGR (3Y) – 66.0% –

Profitability

14 metrics
MetricSNDKWDCSILC
Gross margin 71.5% 52.6% 30.2%
EBITDA margin 62.0% 42.1% –
Operating margin 61.2% 39.4% -14.2%
Pretax margin 64.3% 73.2% -12.3%
Net margin 56.5% 69.2% -13.0%
FCF margin 56.8% 29.6% –
Operating cash flow margin 57.6% 33.6% –
Return on equity 77.5% 110.0% -8.5%
Return on assets 57.8% 71.3% -6.1%
Return on invested capital 73.7% 53.8% –
Return on capital employed 87.2% 57.3% -8.9%
Asset turnover 1.0x 1.0x 0.5x
Cash conversion (OCF / net income) 1.0x 0.5x –
Stock comp / revenue 1.1% 1.6% –

Financial Health

11 metrics
MetricSNDKWDCSILC
Debt / assets – 5.5% –
Debt / equity – 0.1x –
Net debt / EBITDA – -0.1x –
Debt / FCF – 0.2x –
Liabilities / assets 30.1% 34.3% 29.5%
Equity / assets 69.9% 65.7% 70.5%
Interest coverage 169.7x 48.8x –
Current ratio 2.3x 1.4x 3.1x
Quick ratio 12.2x 0.9x 1.3x
Cash ratio 0.9x 0.3x 0.8x
Altman Z-score 19.94 19.75 4.50

Shareholder Returns

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

ConsensusSNDKWDCSILC
Forward P/E 6.1xFY2027 14.8xFY2027 –
EPS, next fiscal year $206.11FY2027 $24.04FY2027 $-0.43FY2026
EPS growth, next FY +190.8%FY2027 +135.2%FY2027 –
EPS growth, the year after +36.1% +70.9% –
Revenue, next fiscal year $50.93BFY2027 $20.04BFY2027 $91.18MFY2026
Revenue growth, next FY +151.5%FY2027 +55.1%FY2027 +47.2%FY2026
Revenue growth, the year after +10.4% +39.2% +29.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSNDKWDCSILC
Held by institutions 74.3% 93.7% 43.1%
Institutions holding 1,816 1,845 51
Change in shares held, QoQ -1.9% -1.3% +42.4%
Institutions buying 1,269 1,127 32
Institutions selling 457 596 12
Buyers to sellers 2.78 1.89 2.67

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.

SNDKWDCSILC
SNDK 1.00 0.73 0.30
WDC 0.73 1.00 0.32
SILC 0.30 0.32 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SNDK, WDC and SILC?

Sandisk (SNDK) is the largest by market capitalisation: Sandisk (SNDK) $191.85B, Western Digital (WDC) $139.90B, Silicom (SILC) $239.09M.

Which stock is cheaper, SNDK, WDC and SILC?

Western Digital (WDC) trades on the lowest price-to-earnings ratio (Sandisk (SNDK) 16.8x, Western Digital (WDC) 14.0x, Silicom (SILC) -24.4x). On next year's consensus earnings, Sandisk (SNDK) is cheapest (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%, Silicom (SILC) +28.6%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Sandisk (SNDK) 56.5%, Western Digital (WDC) 69.2%, Silicom (SILC) -13.0%). 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: Sandisk (SNDK) +574.5%, Western Digital (WDC) +175.2%, Silicom (SILC) +133.3%. Over five years, Western Digital (WDC) compounded fastest (Western Digital (WDC) +53.4%/yr, Silicom (SILC) -1.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Sandisk (SNDK) 0.00%, Western Digital (WDC) 0.00%, Silicom (SILC) 0.00%. Sandisk (SNDK) and Silicom (SILC) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Western Digital (WDC) has been the steadiest (Sandisk (SNDK) 111.7%, Western Digital (WDC) 81.2%, Silicom (SILC) 90.3%). Volatility measures how widely the price swings, not the risk of the business.

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

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.