CEPL vs GNRC vs AMSC Stock Comparison

Capstone Energy Plus, Generac Holdings and American Superconductor Prices as of Oct 27, 2026 Peers: Industry group
GNRC Generac Holdings Inc.
$193.75 -6.9% 1M +1.8% 1Y
Market cap
$11.43B
P/E
44.1x
Revenue (TTM)
$4.44B
Div. yield
–
Power Equipment Industrials
5 wins

Head to Head

10 decided of 12

Generac Holdings leads on 5 of the 12 questions below (Generac Holdings 5, Capstone Energy Plus 4, American Superconductor 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCEPLGNRCAMSCLeader
Larger companyMarket capitalisation $98.97M $11.43B $1.32B GNRC
Cheaper on earningsLower P/E, profitable companies only 29.2x 44.1x — CEPL
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 20.8x 30.7x GNRC
Faster revenue growthRevenue growth, trailing twelve months +5.4% +0.6% — CEPL
More profitableNet margin, trailing twelve months 3.5% 5.8% — GNRC
Better return on capitalReturn on invested capital — 7.9% — –
Less leveragedLower net debt / EBITDA -0.7x 1.6x — CEPL
Higher dividend yieldTrailing dividend yield — 0.00% — –
Better 1-year returnPrice return, last 12 months — +1.8% -52.2% GNRC
Better 5-year returnAnnualised price return, 5 years — -17.4%/yr +8.7%/yr AMSC
Less volatileAnnualised volatility, 1 year 113.2% 57.1% 85.9% GNRC
Higher overall scoreMean of the five percentile scores vs peers 76/100 64/100 — CEPL

Percentile Scorecard

CEPLGNRCAMSC

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

AxisCEPLGNRCAMSC
Valuation 93 #5 of 61 73 #17 of 61 –
Growth 91 #6 of 58 42 #34 of 58 –
Profitability 85 #9 of 55 87 #8 of 55 –
Financial Health 23 #55 of 71 46 #39 of 71 76 #18 of 71
Shareholder Returns 86 #5 of 30 72 #9 of 30 –
Overall 76 64 –
  • CEPL ranked among 71 companies in Clean Energy Equipment
  • GNRC ranked among 71 companies in Clean Energy Equipment
  • AMSC ranked among 71 companies in Clean Energy Equipment

Price Performance

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

Returns

PeriodCEPLGNRCAMSCSPY
1 month -35.5%-6.9%-7.9% -0.2%
3 months -59.1%-0.8%-3.9% +3.9%
6 months —-10.8%-41.8% +8.2%
Year to date —+42.1%-4.0% +12.9%
1 year —+1.8%-52.2% +12.3%
3 years —+135.7%+344.9% +87.4%
3 years, per year —+33.1%+64.5% +23.3%
5 years —-61.5%+51.8% +67.9%
5 years, per year —-17.4%+8.7% +10.9%
10 years —+405.9%+302.2% +261.1%
10 years, per year —+17.6%+14.9% +13.7%

Risk

MeasureCEPLGNRCAMSCSPY
Volatility, 1Y 113.2%57.1%85.9% 12.7%
Downside volatility, 1Y 121.1%54.7%98.8% 12.7%
Beta vs S&P 500, 1Y 3.672.183.47 1.00
Return / volatility, 1Y —0.03-0.61 0.97
Max drawdown, 5Y -77.8%-83.7%-82.9% -25.4%
From 52-week high -74.4%-34.4%-56.1% -1.2%
52-week high $11.88$295.54$63.01 $779.14
52-week low $2.64$136.37$25.01 $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.

MultipleCEPLGNRCAMSC
P/E now vs peer median 29.2xmedian 27.2x 44.1xmedian 27.2x —median 27.2x
P/S now vs peer median 1.0xmedian 2.4x 2.6xmedian 2.4x —median 2.4x
EV/EBITDA now vs peer median 9.8xmedian 18.4x 18.7xmedian 18.4x —median 18.4x
P/FCF now vs peer median 34.4xmedian 28.6x 30.1xmedian 28.6x —median 28.6x
P/B now vs peer median -2.2xmedian 1.7x 4.0xmedian 1.7x 2.4xmedian 1.7x
PEG now vs peer median 1.06median 0.79 3.39median 0.79 —median 0.79

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 monthsCEPLGNRCAMSC
Revenue $103.06M $4.44B –
Gross profit $35.07M $1.76B –
Operating income $4.53M $421.49M –
Net income $3.56M $258.77M –
Free cash flow $2.87M $379.25M –
R&D $4.03M $249.51M –
EPS (diluted) $0.10 $4.33 –
Cash & equivalents $32.30M $264.92M $140.69M
Total debt $109.19M $1.33B –
Shares (diluted) 34.34M 59.64M 44.94M
Enterprise value $89.81M $10.26B $612.98M

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
MetricCEPLGNRCAMSC
P/E 29.2x 44.1x –
P/FCF 34.4x 30.1x –
P/Operating cash flow 22.1x 20.9x –
P/S 1.0x 2.6x –
P/B -2.2x 4.0x 2.4x
P/Tangible book -2.0x 4.3x 2.4x
EV/EBITDA 9.8x 18.7x –
EV/EBIT 20.3x 29.6x –
EV/Revenue 0.9x 2.8x –
EV/FCF 32.0x 33.0x –
EV/Operating cash flow 20.6x 22.8x –
PEG (3Y EPS CAGR) 1.06 3.39 –

Growth

14 metrics
MetricCEPLGNRCAMSC
Revenue growth (1Y) 5.4% 0.6% –
Revenue CAGR (3Y) 9.3% 3.3% –
Gross profit growth (1Y) 29.5% -0.4% –
Gross profit CAGR (3Y) 52.0% 10.4% –
Operating income growth (1Y) 305.8% -25.0% –
Operating income CAGR (3Y) 30.7% 9.0% –
Net income growth (1Y) 190.1% -26.1% –
Net income CAGR (3Y) 28.8% 10.1% –
EPS growth (1Y) 151.0% -26.7% –
EPS CAGR (3Y) 27.5% 13.0% –
Operating cash flow growth (1Y) 11.9% -19.6% –
Operating cash flow CAGR (3Y) 35.5% 71.1% –
Free cash flow growth (1Y) -8.6% -25.9% –
Free cash flow CAGR (3Y) 29.3% 188.3% –

Profitability

14 metrics
MetricCEPLGNRCAMSC
Gross margin 34.0% 39.5% –
EBITDA margin 9.1% 15.1% –
Operating margin 4.4% 9.5% –
Pretax margin 3.4% 7.6% –
Net margin 3.5% 5.8% –
FCF margin 2.8% 8.5% –
Operating cash flow margin 4.3% 12.3% –
Return on equity – 9.3% –
Return on assets 3.1% 4.6% –
Return on invested capital – 7.9% –
Return on capital employed 12.2% 9.4% –
Asset turnover 0.9x 0.8x –
Cash conversion (OCF / net income) 1.3x 2.1x –
Stock comp / revenue 0.8% 1.1% –

Financial Health

11 metrics
MetricCEPLGNRCAMSC
Debt / assets 22.1% 23.0% –
Debt / equity -0.6x 0.5x –
Net debt / EBITDA -0.7x 1.6x –
Debt / FCF 8.8x 3.5x –
Liabilities / assets 139.4% 50.1% 24.9%
Equity / assets -39.4% 49.9% 75.1%
Interest coverage 1.1x 6.2x –
Current ratio 1.0x 2.0x 2.4x
Quick ratio 0.6x 0.8x 1.6x
Cash ratio 0.4x 0.2x 1.0x
Altman Z-score -10.48 4.42 –

Shareholder Returns

7 metrics
MetricCEPLGNRCAMSC
Dividend yield – – –
Net buyback yield 0.4% -0.1% –
Shareholder yield 0.4% -0.1% –
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
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.

ConsensusCEPLGNRCAMSC
Forward P/E – 20.8xFY2026 30.7xFY2026
EPS, next fiscal year $-0.01FY2026 $9.31FY2026 $0.90FY2026
EPS growth, next FY – +46.8%FY2026 -75.0%FY2026
EPS growth, the year after – +42.0% +40.0%
Revenue, next fiscal year $115.36MFY2026 $4.60BFY2026 $383.43MFY2026
Revenue growth, next FY +8.8%FY2026 +9.1%FY2026 +28.2%FY2026
Revenue growth, the year after +28.2% +48.6% +15.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCEPLGNRCAMSC
Held by institutions – 89.4% 73.7%
Institutions holding – 998 277
Change in shares held, QoQ – -1.0% +6.4%
Institutions buying – 531 173
Institutions selling – 321 77
Buyers to sellers – 1.65 2.25

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.

CEPLGNRCAMSC
CEPL 1.00 0.54 0.64
GNRC 0.54 1.00 0.50
AMSC 0.64 0.50 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CEPL, GNRC and AMSC?

Generac Holdings (GNRC) is the largest by market capitalisation: Capstone Energy Plus (CEPL) $98.97M, Generac Holdings (GNRC) $11.43B, American Superconductor (AMSC) $1.32B.

Which stock is cheaper, CEPL, GNRC and AMSC?

Capstone Energy Plus (CEPL) trades on the lowest price-to-earnings ratio (Capstone Energy Plus (CEPL) 29.2x, Generac Holdings (GNRC) 44.1x). On next year's consensus earnings, Generac Holdings (GNRC) is cheapest (Generac Holdings (GNRC) 20.8x, American Superconductor (AMSC) 30.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Capstone Energy Plus (CEPL) grew revenue fastest over the trailing twelve months: Capstone Energy Plus (CEPL) +5.4%, Generac Holdings (GNRC) +0.6%.

Which company is more profitable?

Generac Holdings (GNRC) has the highest net margin (Capstone Energy Plus (CEPL) 3.5%, Generac Holdings (GNRC) 5.8%).

Which stock has performed better?

Over the past year Generac Holdings (GNRC) returned the most: Generac Holdings (GNRC) +1.8%, American Superconductor (AMSC) -52.2%. Over five years, American Superconductor (AMSC) compounded fastest (Generac Holdings (GNRC) -17.4%/yr, American Superconductor (AMSC) +8.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Generac Holdings (GNRC) has been the steadiest (Capstone Energy Plus (CEPL) 113.2%, Generac Holdings (GNRC) 57.1%, American Superconductor (AMSC) 85.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CEPL, GNRC and AMSC?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Generac Holdings (GNRC) leads on 5. 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.