WDC vs SIMO vs ANET Stock Comparison

Western Digital, Silicon Motion Technology and Arista Networks Prices as of Oct 27, 2026 Peers: Industry group
WDC Western Digital Corp
$380.88 -16.6% 1M +200.7% 1Y
Market cap
$142.57B
P/E
13.9x
Revenue (TTM)
$14.48B
Div. yield
0.15%
Server and Storage Hardware Technology
7 wins
ANET Arista Networks, Inc.
$187.06 -9.4% 1M +19.3% 1Y
Market cap
$235.92B
P/E
58.3x
Revenue (TTM)
$10.54B
Div. yield
–
Server and Storage Hardware Technology
2 wins

Head to Head

10 decided of 12

Western Digital leads on 7 of the 12 questions below (Western Digital 7, Arista Networks 2, Silicon Motion Technology 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionWDCSIMOANETLeader
Larger companyMarket capitalisation $142.57B $6.85B $235.92B ANET
Cheaper on earningsLower P/E, profitable companies only 13.9x — 58.3x WDC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 15.8x 17.8x 46.9x WDC
Faster revenue growthRevenue growth, trailing twelve months +43.0% — +32.6% WDC
More profitableNet margin, trailing twelve months 69.2% — 38.4% WDC
Better return on capitalReturn on invested capital 53.8% — — –
Less leveragedLower net debt / EBITDA -0.1x — — –
Higher dividend yieldTrailing dividend yield 0.15% 0.98% — SIMO
Better 1-year returnPrice return, last 12 months +200.7% +98.3% +19.3% WDC
Better 5-year returnAnnualised price return, 5 years +54.5%/yr +24.0%/yr +49.1%/yr WDC
Less volatileAnnualised volatility, 1 year 81.3% 84.4% 55.0% ANET
Higher overall scoreMean of the five percentile scores vs peers 77/100 36/100 66/100 WDC

Percentile Scorecard

WDCSIMOANET

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

AxisWDCSIMOANET
Valuation 51 #55 of 112 14 #81 of 94 20 #90 of 112
Growth 98 #3 of 109 26 #68 of 92 85 #17 of 109
Profitability 97 #4 of 104 – 90 #11 of 104
Financial Health 66 #40 of 116 36 #64 of 99 77 #27 of 116
Shareholder Returns 73 #23 of 81 67 #25 of 73 58 #35 of 81
Overall 77 36 66
  • WDC ranked among 122 companies in Computer Hardware
  • SIMO ranked among 103 companies in Semiconductors
  • ANET ranked among 122 companies in Computer Hardware

Price Performance

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

Returns

PeriodWDCSIMOANETSPY
1 month -16.6%-26.1%-9.4% -0.2%
3 months -17.8%-7.8%+10.2% +3.9%
6 months -2.6%+36.9%+13.2% +8.2%
Year to date +121.1%+120.2%+42.8% +12.9%
1 year +200.7%+98.3%+19.3% +12.3%
3 years +1,192.9%+287.9%+324.7% +87.4%
3 years, per year +134.8%+57.2%+62.0% +23.3%
5 years +779.6%+192.8%+635.3% +67.9%
5 years, per year +54.5%+24.0%+49.1% +10.9%
10 years +745.8%+339.9%+3,436.1% +261.1%
10 years, per year +23.8%+16.0%+42.8% +13.7%

Risk

MeasureWDCSIMOANETSPY
Volatility, 1Y 81.3%84.4%55.0% 12.7%
Downside volatility, 1Y 82.1%78.0%56.7% 12.7%
Beta vs S&P 500, 1Y 3.172.422.27 1.00
Return / volatility, 1Y 2.471.160.35 0.97
Max drawdown, 5Y -55.5%-59.1%-50.4% -25.4%
From 52-week high -49.0%-39.4%-13.6% -1.2%
52-week high $746.23$336.90$216.61 $779.14
52-week low $124.92$80.16$116.13 $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.

MultipleWDCSIMOANET
P/E now vs peer median 13.9xmedian 33.2x —median 45.6x 58.3xmedian 33.2x
P/S now vs peer median 9.8xmedian 2.8x —median 7.7x 22.4xmedian 2.8x
EV/EBITDA now vs peer median 23.3xmedian 20.0x —median 29.0x 48.0xmedian 20.0x
P/FCF now vs peer median 33.2xmedian 29.8x -533.1xmedian 40.6x 45.8xmedian 29.8x
P/B now vs peer median 15.3xmedian 3.0x 6.5xmedian 4.6x 15.9xmedian 3.0x
PEG now vs peer median 0.18median 1.17 —median 2.28 1.77median 1.17

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 monthsWDCSIMOANET
Revenue $14.48B – $10.54B
Gross profit $7.62B – $6.64B
Operating income $5.71B – $4.55B
Net income $10.02B $289.77M $4.04B
Free cash flow $4.29B -$12.85M $5.16B
R&D $1.15B – $1.37B
EPS (diluted) $26.10 – $3.17
Cash & equivalents $1.31B $74.37M $2.29B
Total debt $12.58B $167.29M –
Shares (diluted) 384.00M 33.68M 1.28B
Enterprise value $132.40B $6.24B $189.37B

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
MetricWDCSIMOANET
P/E 13.9x – 58.3x
P/FCF 33.2x -533.1x 45.8x
P/Operating cash flow 29.3x -102.8x 44.5x
P/S 9.8x – 22.4x
P/B 15.3x 6.5x 15.9x
P/Tangible book 15.3x 7.2x 15.9x
EV/EBITDA 23.3x – 48.0x
EV/EBIT 24.9x – 49.0x
EV/Revenue 9.8x – 21.1x
EV/FCF 33.1x -531.9x 43.2x
EV/Operating cash flow 29.2x -102.6x 41.9x
PEG (3Y EPS CAGR) 0.18 – 1.77

Growth

14 metrics
MetricWDCSIMOANET
Revenue growth (1Y) 43.0% – 32.6%
Revenue CAGR (3Y) 57.4% – 26.1%
Gross profit growth (1Y) 85.2% – 30.0%
Gross profit CAGR (3Y) 126.7% – 28.0%
Operating income growth (1Y) 104.4% – 32.6%
Operating income CAGR (3Y) 85.5% – 33.7%
Net income growth (1Y) 288.7% 270.6% 24.4%
Net income CAGR (3Y) 83.2% 49.0% 33.3%
EPS growth (1Y) 286.8% – 23.9%
EPS CAGR (3Y) 75.8% – 32.9%
Operating cash flow growth (1Y) 108.7% -182.4% 31.1%
Operating cash flow CAGR (3Y) 88.3% -36.3% 75.4%
Free cash flow growth (1Y) 121.1% -109.8% 29.7%
Free cash flow CAGR (3Y) 66.0% -27.6% 76.0%

Profitability

14 metrics
MetricWDCSIMOANET
Gross margin 52.6% – 63.0%
EBITDA margin 42.1% – 44.0%
Operating margin 39.4% – 43.1%
Pretax margin 73.2% – 47.3%
Net margin 69.2% – 38.4%
FCF margin 29.6% – 48.9%
Operating cash flow margin 33.6% – 50.3%
Return on equity 110.0% – 28.6%
Return on assets 71.3% – 17.8%
Return on invested capital 53.8% – –
Return on capital employed 57.3% – 28.7%
Asset turnover 1.0x – 0.5x
Cash conversion (OCF / net income) 0.5x -0.2x 1.3x
Stock comp / revenue 1.6% – 4.8%

Financial Health

11 metrics
MetricWDCSIMOANET
Debt / assets 5.5% 3.7% –
Debt / equity 0.1x 0.1x –
Net debt / EBITDA -0.1x – –
Debt / FCF 0.2x -4.6x –
Liabilities / assets 34.3% 34.8% 37.6%
Equity / assets 65.7% 65.2% 62.4%
Interest coverage 48.8x – –
Current ratio 1.4x 2.5x 3.0x
Quick ratio 0.9x 0.8x 2.3x
Cash ratio 0.3x 0.2x 2.0x
Altman Z-score 20.89 – 18.31

Shareholder Returns

7 metrics
MetricWDCSIMOANET
Dividend yield 0.1% 1.0% –
Net buyback yield 2.1% – 0.2%
Shareholder yield 2.3% 1.0% 0.2%
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.

ConsensusWDCSIMOANET
Forward P/E 15.8xFY2027 17.8xFY2026 46.9xFY2026
EPS, next fiscal year $24.04FY2027 $11.50FY2026 $3.99FY2026
EPS growth, next FY +135.2%FY2027 +223.9%FY2026 +33.9%FY2026
EPS growth, the year after +70.9% +37.5% +36.1%
Revenue, next fiscal year $20.04BFY2027 $1.82BFY2026 $13.21BFY2026
Revenue growth, next FY +55.1%FY2027 +105.0%FY2026 +46.6%FY2026
Revenue growth, the year after +39.2% +27.4% +22.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersWDCSIMOANET
Held by institutions 93.7% 72.4% 71.2%
Institutions holding 1,846 380 2,254
Change in shares held, QoQ -1.3% -9.8% +2.4%
Institutions buying 1,127 223 1,328
Institutions selling 597 131 732
Buyers to sellers 1.89 1.70 1.81

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.

WDCSIMOANET
WDC 1.00 0.51 0.45
SIMO 0.51 1.00 0.37
ANET 0.45 0.37 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, WDC, SIMO and ANET?

Arista Networks (ANET) is the largest by market capitalisation: Western Digital (WDC) $142.57B, Silicon Motion Technology (SIMO) $6.85B, Arista Networks (ANET) $235.92B.

Which stock is cheaper, WDC, SIMO and ANET?

Western Digital (WDC) trades on the lowest price-to-earnings ratio (Western Digital (WDC) 13.9x, Arista Networks (ANET) 58.3x). On next year's consensus earnings, Western Digital (WDC) is cheapest (Western Digital (WDC) 15.8x, Silicon Motion Technology (SIMO) 17.8x, Arista Networks (ANET) 46.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Western Digital (WDC) grew revenue fastest over the trailing twelve months: Western Digital (WDC) +43.0%, Arista Networks (ANET) +32.6%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Western Digital (WDC) 69.2%, Arista Networks (ANET) 38.4%).

Which stock has performed better?

Over the past year Western Digital (WDC) returned the most: Western Digital (WDC) +200.7%, Silicon Motion Technology (SIMO) +98.3%, Arista Networks (ANET) +19.3%. Over five years, Western Digital (WDC) compounded fastest (Western Digital (WDC) +54.5%/yr, Silicon Motion Technology (SIMO) +24.0%/yr, Arista Networks (ANET) +49.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Silicon Motion Technology (SIMO) has the highest dividend yield: Western Digital (WDC) 0.15%, Silicon Motion Technology (SIMO) 0.98%. Arista Networks (ANET) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Arista Networks (ANET) has been the steadiest (Western Digital (WDC) 81.3%, Silicon Motion Technology (SIMO) 84.4%, Arista Networks (ANET) 55.0%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Western Digital (WDC) 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.