WDC vs POET vs SIMO Stock Comparison

Western Digital, Poet Technologies and Silicon Motion Technology Prices as of Oct 26, 2026 Peers: Industry group
WDC Western Digital Corp
$356.13 -22.0% 1M +175.2% 1Y
Market cap
$141.32B
P/E
14.1x
Revenue (TTM)
$14.48B
Div. yield
0.00%
Server and Storage Hardware Technology
7 wins
POET Poet Technologies Inc.
$5.37 -30.9% 1M -34.8% 1Y
Market cap
$527.73M
P/E
–
Revenue (TTM)
$1.71T
Div. yield
–
Semiconductor Design Technology
1 win

Head to Head

8 decided of 12

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

QuestionWDCPOETSIMOLeader
Larger companyMarket capitalisation $141.32B $527.73M $6.78B WDC
Cheaper on earningsLower P/E, profitable companies only 14.1x 0.0x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.8x — 16.5x WDC
Faster revenue growthRevenue growth, trailing twelve months +43.0% +266.1% — POET
More profitableNet margin, trailing twelve months 69.2% -4,420.7% — WDC
Better return on capitalReturn on invested capital 53.8% — — –
Less leveragedLower net debt / EBITDA -0.1x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +175.2% -34.8% +90.8% WDC
Better 5-year returnAnnualised price return, 5 years +53.4%/yr -8.7%/yr +21.4%/yr WDC
Less volatileAnnualised volatility, 1 year 81.2% 140.3% 84.2% WDC
Higher overall scoreMean of the five percentile scores vs peers 78/100 23/100 35/100 WDC

Percentile Scorecard

WDCPOETSIMO

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

AxisWDCPOETSIMO
Valuation 54 #52 of 111 51 #47 of 95 12 #84 of 95
Growth 99 #2 of 108 14 #80 of 93 26 #69 of 93
Profitability 98 #3 of 104 3 #88 of 91 –
Financial Health 66 #40 of 115 – 36 #65 of 101
Shareholder Returns 75 #21 of 81 – 66 #26 of 75
Overall 78 23 35
  • WDC ranked among 121 companies in Computer Hardware
  • POET ranked among 104 companies in Semiconductors
  • SIMO ranked among 104 companies in Semiconductors

Price Performance

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

Returns

PeriodWDCPOETSIMOSPY
1 month -22.0%-30.9%-31.5% -0.8%
3 months -28.5%-24.3%-22.6% +3.5%
6 months -11.1%-32.5%+28.2% +7.0%
Year to date +106.7%-15.2%+104.1% +12.2%
1 year +175.2%-34.8%+90.8% +13.0%
3 years +1,108.9%+93.9%+259.4% +86.3%
3 years, per year +129.6%+24.7%+53.2% +23.1%
5 years +749.3%-36.7%+163.6% +68.6%
5 years, per year +53.4%-8.7%+21.4% +11.0%
10 years +733.6%+42.1%+305.8% +258.0%
10 years, per year +23.6%+3.6%+15.0% +13.6%

Risk

MeasureWDCPOETSIMOSPY
Volatility, 1Y 81.2%140.3%84.2% 12.7%
Downside volatility, 1Y 82.1%140.8%78.0% 12.7%
Beta vs S&P 500, 1Y 3.154.632.40 1.00
Return / volatility, 1Y 2.16-0.251.08 1.02
Max drawdown, 5Y -55.5%-92.1%-59.1% -25.4%
From 52-week high -52.3%-73.9%-43.8% -1.8%
52-week high $746.23$20.57$336.90 $779.14
52-week low $124.92$4.17$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.

MultipleWDCPOETSIMO
P/E now vs peer median 13.0xmedian 32.0x 0.0xmedian 42.1x —median 42.1x
P/S now vs peer median 9.2xmedian 2.8x 0.0xmedian 7.1x —median 7.1x
EV/EBITDA now vs peer median 21.8xmedian 19.4x 0.0xmedian 27.5x —median 27.5x
P/FCF now vs peer median 31.1xmedian 29.0x -23.4xmedian 37.2x -494.0xmedian 37.2x
P/B now vs peer median 14.3xmedian 2.9x 1.6xmedian 4.2x 6.1xmedian 4.2x
PEG now vs peer median 0.17median 1.13 0.00median 2.23 —median 2.23

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 monthsWDCPOETSIMO
Revenue $14.48B $1.71T –
Gross profit $7.62B – –
Operating income $5.71B -$19.77T –
Net income $10.02B -$75.72M $289.77M
Free cash flow $4.29B -$30.34M -$12.85M
R&D $1.15B $19.85T –
EPS (diluted) $26.10 $-812,866.51 –
Cash & equivalents $1.31B $432.53M $74.37M
Total debt $12.58B – $167.29M
Shares (diluted) 384.00M 93.16M 33.68M
Enterprise value $131.15B -$1.10B $6.17B

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
MetricWDCPOETSIMO
P/E 13.0x 0.0x –
P/FCF 31.1x -23.4x -494.0x
P/Operating cash flow 27.4x -20.0x -95.2x
P/S 9.2x 0.0x –
P/B 14.3x 1.6x 6.1x
P/Tangible book 14.3x 1.6x 6.6x
EV/EBITDA 21.8x 0.0x –
EV/EBIT 23.3x 0.0x –
EV/Revenue 9.2x 0.0x –
EV/FCF 31.0x 2.8x -492.8x
EV/Operating cash flow 27.3x 2.4x -95.0x
PEG (3Y EPS CAGR) 0.17 0.00 –

Growth

14 metrics
MetricWDCPOETSIMO
Revenue growth (1Y) 43.0% 266.1% –
Revenue CAGR (3Y) 57.4% 68.5% –
Gross profit growth (1Y) 85.2% – –
Gross profit CAGR (3Y) 126.7% – –
Operating income growth (1Y) 104.4% -208.0% –
Operating income CAGR (3Y) 85.5% -363.4% –
Net income growth (1Y) 288.7% -40.4% 270.6%
Net income CAGR (3Y) 83.2% -55.9% 49.0%
EPS growth (1Y) 286.8% 9.2% –
EPS CAGR (3Y) 75.8% -45.7% –
Operating cash flow growth (1Y) 108.7% -14.7% -182.4%
Operating cash flow CAGR (3Y) 88.3% -37.4% -36.3%
Free cash flow growth (1Y) 121.1% -29.3% -109.8%
Free cash flow CAGR (3Y) 66.0% -38.5% -27.6%

Profitability

14 metrics
MetricWDCPOETSIMO
Gross margin 52.6% – –
EBITDA margin 42.1% -1,154% –
Operating margin 39.4% -1,154% –
Pretax margin 73.2% -1,143% –
Net margin 69.2% -4,421% –
FCF margin 29.6% 0.0% –
Operating cash flow margin 33.6% 0.0% –
Return on equity 110.0% -16,983,708% –
Return on assets 71.3% – –
Return on invested capital 53.8% – –
Return on capital employed 57.3% – –
Asset turnover 1.0x – –
Cash conversion (OCF / net income) 0.5x 0.5x -0.2x
Stock comp / revenue 1.6% 239.3% –

Financial Health

11 metrics
MetricWDCPOETSIMO
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%
Equity / assets 65.7% – 65.2%
Interest coverage 48.8x -101.5x –
Current ratio 1.4x – 2.5x
Quick ratio 0.9x – 0.8x
Cash ratio 0.3x – 0.2x
Altman Z-score 19.75 – –

Shareholder Returns

7 metrics
MetricWDCPOETSIMO
Dividend yield 0.2% – 1.1%
Net buyback yield 2.3% -112.8% –
Shareholder yield 2.4% -112.8% 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.

ConsensusWDCPOETSIMO
Forward P/E 14.8xFY2027 – 16.5xFY2026
EPS, next fiscal year $24.04FY2027 $-0.26FY2026 $11.50FY2026
EPS growth, next FY +135.2%FY2027 – +223.9%FY2026
EPS growth, the year after +70.9% – +37.5%
Revenue, next fiscal year $20.04BFY2027 $6.19MFY2026 $1.82BFY2026
Revenue growth, next FY +55.1%FY2027 +478.2%FY2026 +105.0%FY2026
Revenue growth, the year after +39.2% +1,180.3% +27.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersWDCPOETSIMO
Held by institutions 93.7% 36.6% 72.4%
Institutions holding 1,845 154 380
Change in shares held, QoQ -1.3% +108.4% -9.8%
Institutions buying 1,127 116 223
Institutions selling 596 28 131
Buyers to sellers 1.89 4.14 1.70

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.

WDCPOETSIMO
WDC 1.00 0.28 0.50
POET 0.28 1.00 0.26
SIMO 0.50 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, WDC, POET and SIMO?

Western Digital (WDC) is the largest by market capitalisation: Western Digital (WDC) $141.32B, Poet Technologies (POET) $527.73M, Silicon Motion Technology (SIMO) $6.78B.

Which company is growing faster?

Poet Technologies (POET) grew revenue fastest over the trailing twelve months: Western Digital (WDC) +43.0%, Poet Technologies (POET) +266.1%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Western Digital (WDC) 69.2%, Poet Technologies (POET) -4,420.7%).

Which stock has performed better?

Over the past year Western Digital (WDC) returned the most: Western Digital (WDC) +175.2%, Poet Technologies (POET) -34.8%, Silicon Motion Technology (SIMO) +90.8%. Over five years, Western Digital (WDC) compounded fastest (Western Digital (WDC) +53.4%/yr, Poet Technologies (POET) -8.7%/yr, Silicon Motion Technology (SIMO) +21.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

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

Which stock is riskier?

By one-year price volatility, Western Digital (WDC) has been the steadiest (Western Digital (WDC) 81.2%, Poet Technologies (POET) 140.3%, Silicon Motion Technology (SIMO) 84.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, WDC, POET 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, 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.