PENG vs STX vs WDC Stock Comparison

Penguin Solutions, Seagate Technology Holdings and Western Digital Prices as of Oct 28, 2026 Peers: Industry group
PENG Penguin Solutions, Inc.
$60.80 +10.6% 1M +166.0% 1Y
Market cap
$3.11B
P/E
20.6x
Revenue (TTM)
$1.73B
Div. yield
–
Server and Storage Hardware Technology
1 win
WDC Western Digital Corp
$396.42 -12.5% 1M +217.3% 1Y
Market cap
$144.42B
P/E
14.4x
Revenue (TTM)
$14.48B
Div. yield
0.00%
Server and Storage Hardware Technology
7 wins

Head to Head

11 decided of 12

Western Digital leads on 7 of the 12 questions below (Western Digital 7, Seagate Technology Holdings 3, Penguin Solutions 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionPENGSTXWDCLeader
Larger companyMarket capitalisation $3.11B $152.34B $144.42B STX
Cheaper on earningsLower P/E, profitable companies only 20.6x 34.7x 14.4x WDC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.3x 18.1x 16.5x PENG
Faster revenue growthRevenue growth, trailing twelve months +26.5% +44.4% +43.0% STX
More profitableNet margin, trailing twelve months 8.7% — 69.2% WDC
Better return on capitalReturn on invested capital 14.9% — 53.8% WDC
Less leveragedLower net debt / EBITDA 0.6x — -0.1x WDC
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +166.0% +213.0% +217.3% WDC
Better 5-year returnAnnualised price return, 5 years +17.9%/yr +51.0%/yr +58.6%/yr WDC
Less volatileAnnualised volatility, 1 year 85.9% 75.9% 81.3% STX
Higher overall scoreMean of the five percentile scores vs peers 52/100 57/100 78/100 WDC

Percentile Scorecard

PENGSTXWDC

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

AxisPENGSTXWDC
Valuation 36 #71 of 111 23 #86 of 111 50 #56 of 111
Growth 69 #34 of 108 99 #2 of 108 98 #3 of 108
Profitability 53 #49 of 104 94 #7 of 104 98 #3 of 104
Financial Health 22 #90 of 115 24 #88 of 115 68 #38 of 115
Shareholder Returns 81 #16 of 78 47 #42 of 78 78 #18 of 78
Overall 52 57 78
  • PENG ranked among 121 companies in Computer Hardware
  • STX 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

PeriodPENGSTXWDCSPY
1 month +10.6%-24.3%-12.5% +0.9%
3 months +39.1%-8.7%-14.2% +5.9%
6 months +113.3%+8.5%-4.0% +8.5%
Year to date +210.8%+153.4%+130.1% +13.3%
1 year +166.0%+213.0%+217.3% +12.4%
3 years +344.4%+923.4%+1,245.6% +88.1%
3 years, per year +64.5%+117.2%+138.0% +23.5%
5 years +127.5%+683.6%+903.1% +68.2%
5 years, per year +17.9%+51.0%+58.6% +11.0%
10 years —+1,943.8%+785.9% +263.4%
10 years, per year —+35.2%+24.4% +13.8%

Risk

MeasurePENGSTXWDCSPY
Volatility, 1Y 85.9%75.9%81.3% 12.7%
Downside volatility, 1Y 80.0%76.4%82.5% 12.7%
Beta vs S&P 500, 1Y 3.662.533.18 1.00
Return / volatility, 1Y 1.932.812.67 0.98
Max drawdown, 5Y -65.4%-58.2%-55.5% -25.4%
From 52-week high -25.3%-36.2%-46.9% -0.9%
52-week high $81.39$1,094.04$746.23 $779.14
52-week low $16.24$223.00$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.

MultiplePENGSTXWDC
P/E now vs peer median 21.3xmedian 33.5x 34.8xmedian 33.5x 14.5xmedian 33.5x
P/S now vs peer median 2.1xmedian 2.8x 11.5xmedian 2.8x 10.2xmedian 2.8x
EV/EBITDA now vs peer median 17.4xmedian 19.6x —median 19.6x 24.2xmedian 19.6x
P/FCF now vs peer median -22.4xmedian 29.8x 69.1xmedian 29.8x 34.6xmedian 29.8x
P/B now vs peer median 6.8xmedian 2.9x 45.8xmedian 2.9x 15.9xmedian 2.9x
PEG now vs peer median 0.54median 1.10 0.37median 1.10 0.19median 1.10

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 monthsPENGSTXWDC
Revenue $1.73B $13.80B $14.48B
Gross profit $478.93M – $7.62B
Operating income $165.60M $5.46B $5.71B
Net income $185.79M $4.40B $10.02B
Free cash flow -$163.48M – $4.29B
R&D $81.68M $769.00M $1.15B
EPS (diluted) $2.57 $19.20 $26.10
Cash & equivalents $647.21M $1.26B $1.31B
Total debt $788.95M – $12.58B
Shares (diluted) 58.83M 229.00M 384.00M
Enterprise value $1.07B $152.34B $134.25B

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
MetricPENGSTXWDC
P/E 21.3x 34.8x 14.5x
P/FCF -22.4x 69.1x 34.6x
P/Operating cash flow -24.1x 32.8x 30.5x
P/S 2.1x 11.5x 10.2x
P/B 6.8x 45.8x 15.9x
P/Tangible book 7.7x 45.8x 15.9x
EV/EBITDA 17.4x – 24.2x
EV/EBIT 22.9x – 25.9x
EV/Revenue 2.2x 11.5x 10.2x
EV/FCF -23.2x – 34.5x
EV/Operating cash flow -25.0x 32.8x 30.4x
PEG (3Y EPS CAGR) 0.54 0.37 0.19

Growth

14 metrics
MetricPENGSTXWDC
Revenue growth (1Y) 26.5% 44.4% 43.0%
Revenue CAGR (3Y) 6.3% 26.6% 57.4%
Gross profit growth (1Y) 21.5% – 85.2%
Gross profit CAGR (3Y) 4.9% – 126.7%
Operating income growth (1Y) 184.8% 150.5% 104.4%
Operating income CAGR (3Y) 166.5% 125.4% 85.5%
Net income growth (1Y) 544.3% 156.6% 288.7%
Net income CAGR (3Y) 44.1% 99.4% 83.2%
EPS growth (1Y) 791.5% 153.3% 286.8%
EPS CAGR (3Y) 39.3% 94.7% 75.8%
Operating cash flow growth (1Y) -234.2% 217.9% 108.7%
Operating cash flow CAGR (3Y) -51.2% 80.3% 88.3%
Free cash flow growth (1Y) -256.9% – 121.1%
Free cash flow CAGR (3Y) -65.3% – 66.0%

Profitability

14 metrics
MetricPENGSTXWDC
Gross margin 27.7% – 52.6%
EBITDA margin 12.6% – 42.1%
Operating margin 9.6% – 39.4%
Pretax margin 8.8% – 73.2%
Net margin 8.7% – 69.2%
FCF margin -9.4% – 29.6%
Operating cash flow margin -8.8% 35.0% 33.6%
Return on equity 37.5% 156.4% 110.0%
Return on assets 7.5% 43.3% 71.3%
Return on invested capital 14.9% – 53.8%
Return on capital employed 12.9% – 57.3%
Asset turnover 0.7x 1.4x 1.0x
Cash conversion (OCF / net income) -0.8x 1.1x 0.5x
Stock comp / revenue 1.8% 1.7% 1.6%

Financial Health

11 metrics
MetricPENGSTXWDC
Debt / assets 28.4% – 5.5%
Debt / equity 1.5x – 0.1x
Net debt / EBITDA 0.6x – -0.1x
Debt / FCF -4.8x – 0.2x
Liabilities / assets 80.7% 66.6% 34.3%
Equity / assets 19.3% 33.4% 65.7%
Interest coverage – – 48.8x
Current ratio 1.9x 1.8x 1.4x
Quick ratio 1.2x – 0.9x
Cash ratio 0.5x – 0.3x
Altman Z-score 2.36 – 21.60

Shareholder Returns

7 metrics
MetricPENGSTXWDC
Dividend yield – 0.4% 0.1%
Net buyback yield 1.8% – 2.0%
Shareholder yield 1.8% 0.4% 2.2%
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.

ConsensusPENGSTXWDC
Forward P/E 14.3xFY2027 18.1xFY2027 16.5xFY2027
EPS, next fiscal year $4.25FY2027 $38.53FY2027 $24.04FY2027
EPS growth, next FY +48.1%FY2027 +147.3%FY2027 +135.2%FY2027
EPS growth, the year after +31.5% +63.8% +70.9%
Revenue, next fiscal year $2.52BFY2027 $19.55BFY2027 $20.04BFY2027
Revenue growth, next FY +45.9%FY2027 +60.2%FY2027 +55.1%FY2027
Revenue growth, the year after +4.7% +29.7% +39.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersPENGSTXWDC
Held by institutions 100.0% 83.8% 93.7%
Institutions holding 351 1,956 1,846
Change in shares held, QoQ +0.1% +1.4% -1.3%
Institutions buying 229 1,208 1,127
Institutions selling 100 590 597
Buyers to sellers 2.29 2.05 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.

PENGSTXWDC
PENG 1.00 0.44 0.46
STX 0.44 1.00 0.88
WDC 0.46 0.88 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, PENG, STX and WDC?

Seagate Technology Holdings (STX) is the largest by market capitalisation: Penguin Solutions (PENG) $3.11B, Seagate Technology Holdings (STX) $152.34B, Western Digital (WDC) $144.42B.

Which stock is cheaper, PENG, STX and WDC?

Western Digital (WDC) trades on the lowest price-to-earnings ratio (Penguin Solutions (PENG) 20.6x, Seagate Technology Holdings (STX) 34.7x, Western Digital (WDC) 14.4x). On next year's consensus earnings, Penguin Solutions (PENG) is cheapest (Penguin Solutions (PENG) 14.3x, Seagate Technology Holdings (STX) 18.1x, Western Digital (WDC) 16.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Seagate Technology Holdings (STX) grew revenue fastest over the trailing twelve months: Penguin Solutions (PENG) +26.5%, Seagate Technology Holdings (STX) +44.4%, Western Digital (WDC) +43.0%.

Which company is more profitable?

Western Digital (WDC) has the highest net margin (Penguin Solutions (PENG) 8.7%, Western Digital (WDC) 69.2%). On return on invested capital, Western Digital (WDC) leads (Penguin Solutions (PENG) 14.9%, Western Digital (WDC) 53.8%).

Which stock has performed better?

Over the past year Western Digital (WDC) returned the most: Penguin Solutions (PENG) +166.0%, Seagate Technology Holdings (STX) +213.0%, Western Digital (WDC) +217.3%. Over five years, Western Digital (WDC) compounded fastest (Penguin Solutions (PENG) +17.9%/yr, Seagate Technology Holdings (STX) +51.0%/yr, Western Digital (WDC) +58.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Penguin Solutions (PENG) 0.00%, Seagate Technology Holdings (STX) 0.00%, Western Digital (WDC) 0.00%. Penguin Solutions (PENG) and Seagate Technology Holdings (STX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Seagate Technology Holdings (STX) has been the steadiest (Penguin Solutions (PENG) 85.9%, Seagate Technology Holdings (STX) 75.9%, Western Digital (WDC) 81.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, PENG, STX 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, 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.