AMSC vs HWM vs GNRC Stock Comparison

American Superconductor, Howmet Aerospace and Generac Holdings Prices as of Nov 4, 2026 Peers: Industry group
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HWM Howmet Aerospace Inc.
$213.55 -7.0% 1M +4.2% 1Y
Market cap
$84.99B
P/E
41.4x
Revenue (TTM)
$9.73B
Div. yield
0.23%
Commercial Aerospace Industrials
4 wins
GNRC Generac Holdings Inc.
$189.24 -12.1% 1M +20.9% 1Y
Market cap
$11.16B
P/E
37.0x
Revenue (TTM)
$4.62B
Div. yield
–
Power Equipment Industrials
3 wins

Head to Head

11 decided of 12

Howmet Aerospace leads on 4 of the 12 questions below (Howmet Aerospace 4, American Superconductor 4, Generac Holdings 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMSCHWMGNRCLeader
Larger companyMarket capitalisation $1.27B $84.99B $11.16B HWM
Cheaper on earningsLower P/E, profitable companies only 9.2x 41.4x 37.0x AMSC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.2x 41.1x 20.3x GNRC
Faster revenue growthRevenue growth, trailing twelve months +25.9% +22.0% +6.1% AMSC
More profitableNet margin, trailing twelve months 42.6% 21.1% 6.5% AMSC
Better return on capitalReturn on invested capital — 21.5% 8.4% HWM
Less leveragedLower net debt / EBITDA — 1.4x 1.2x GNRC
Higher dividend yieldTrailing dividend yield — 0.23% 0.00% –
Better 1-year returnPrice return, last 12 months -53.3% +4.2% +20.9% GNRC
Better 5-year returnAnnualised price return, 5 years +8.3%/yr +45.0%/yr -15.6%/yr HWM
Less volatileAnnualised volatility, 1 year 85.3% 36.7% 57.4% HWM
Higher overall scoreMean of the five percentile scores vs peers 84/100 73/100 65/100 AMSC

Percentile Scorecard

AMSCHWMGNRC

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

AxisAMSCHWMGNRC
Valuation 86 #10 of 63 39 #62 of 101 77 #15 of 63
Growth 97 #3 of 60 91 #10 of 98 42 #35 of 60
Profitability 82 #11 of 57 99 #2 of 97 88 #8 of 57
Financial Health 78 #17 of 72 47 #57 of 107 51 #36 of 72
Shareholder Returns 81 #7 of 32 88 #9 of 66 68 #11 of 32
Overall 84 73 65
  • AMSC ranked among 72 companies in Clean Energy Equipment
  • HWM ranked among 108 companies in Aerospace and Defense
  • GNRC ranked among 72 companies in Clean Energy Equipment

Price Performance

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

Returns

PeriodAMSCHWMGNRCSPY
1 month -12.4%-7.0%-12.1% -1.0%
3 months -20.3%-26.7%-13.0% -0.4%
6 months -54.0%-16.7%-29.2% +4.5%
Year to date -8.8%+4.2%+38.8% +12.4%
1 year -53.3%+4.2%+20.9% +13.6%
3 years +238.8%+345.1%+80.4% +76.4%
3 years, per year +50.2%+64.5%+21.7% +20.8%
5 years +48.8%+539.4%-57.3% +63.7%
5 years, per year +8.3%+45.0%-15.6% +10.4%
10 years +268.8%+1,474.9%+408.8% +267.7%
10 years, per year +13.9%+31.7%+17.7% +13.9%

Risk

MeasureAMSCHWMGNRCSPY
Volatility, 1Y 85.3%36.7%57.4% 12.8%
Downside volatility, 1Y 97.6%37.2%55.2% 12.7%
Beta vs S&P 500, 1Y 3.311.031.98 1.00
Return / volatility, 1Y -0.630.110.36 1.06
Max drawdown, 5Y -82.0%-36.5%-81.7% -25.4%
From 52-week high -55.8%-27.0%-36.0% -1.6%
52-week high $59.42$292.71$295.54 $779.14
52-week low $25.01$185.88$136.37 $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.

MultipleAMSCHWMGNRC
P/E now vs peer median 9.2xmedian 26.4x 41.4xmedian 25.9x 37.0xmedian 26.4x
P/S now vs peer median 4.0xmedian 2.6x 8.7xmedian 2.8x 2.4xmedian 2.6x
EV/EBITDA now vs peer median 45.9xmedian 19.6x 29.2xmedian 14.7x 15.3xmedian 19.6x
P/FCF now vs peer median 62.0xmedian 29.9x 44.0xmedian 26.9x 26.9xmedian 29.9x
P/B now vs peer median 2.2xmedian 1.8x 14.8xmedian 2.5x 3.7xmedian 1.8x
PEG now vs peer median 0.18median 0.71 0.84median 0.94 2.00median 0.71

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 monthsAMSCHWMGNRC
Revenue $320.87M $9.73B $4.62B
Gross profit $91.62M $3.56B $1.84B
Operating income $15.63M $2.73B $478.99M
Net income $136.58M $2.05B $301.14M
Free cash flow $20.52M $1.93B $414.49M
R&D $15.36M $38.00M $253.28M
EPS (diluted) $2.90 $5.13 $5.06
Cash & equivalents $143.71M $507.00M $393.67M
Total debt – $4.83B $1.33B
Shares (diluted) 47.12M 400.00M 59.56M
Enterprise value $633.86M $80.75B $9.90B

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
MetricAMSCHWMGNRC
P/E 9.2x 41.4x 37.0x
P/FCF 62.0x 44.0x 26.9x
P/Operating cash flow 36.3x 35.4x 18.6x
P/S 4.0x 8.7x 2.4x
P/B 2.2x 14.8x 3.7x
P/Tangible book 2.3x 17.3x 4.0x
EV/EBITDA 45.9x 29.2x 15.3x
EV/EBIT 72.2x 32.7x 25.3x
EV/Revenue 3.5x 9.2x 2.6x
EV/FCF 55.0x 46.3x 29.2x
EV/Operating cash flow 32.2x 37.2x 20.1x
PEG (3Y EPS CAGR) 0.18 0.84 2.00

Growth

14 metrics
MetricAMSCHWMGNRC
Revenue growth (1Y) 25.9% 22.0% 6.1%
Revenue CAGR (3Y) 41.4% 14.9% 4.8%
Gross profit growth (1Y) 23.6% 33.7% 7.4%
Gross profit CAGR (3Y) 93.8% 26.3% 11.8%
Operating income growth (1Y) 98.9% 36.4% -3.5%
Operating income CAGR (3Y) 36.3% 35.5% 11.8%
Net income growth (1Y) 793.8% 41.6% -0.6%
Net income CAGR (3Y) 62.4% 47.5% 15.7%
EPS growth (1Y) 653.7% 43.6% -0.7%
EPS CAGR (3Y) 49.9% 49.5% 18.4%
Operating cash flow growth (1Y) 20.8% 40.3% 2.1%
Operating cash flow CAGR (3Y) 56.8% 38.8% 25.3%
Free cash flow growth (1Y) -21.2% 50.9% -2.3%
Free cash flow CAGR (3Y) 44.7% 41.0% 26.1%

Profitability

14 metrics
MetricAMSCHWMGNRC
Gross margin 28.6% 36.6% 39.9%
EBITDA margin 7.7% 31.4% 17.1%
Operating margin 4.9% 28.1% 10.4%
Pretax margin 6.4% 25.8% 8.7%
Net margin 42.6% 21.1% 6.5%
FCF margin 6.4% 19.8% 9.0%
Operating cash flow margin 10.9% 24.7% 13.0%
Return on equity 24.2% 35.7% 10.3%
Return on assets 18.2% 15.5% 5.1%
Return on invested capital – 21.5% 8.4%
Return on capital employed 2.6% 24.7% 10.6%
Asset turnover 0.4x 0.7x 0.8x
Cash conversion (OCF / net income) 0.3x 1.2x 2.0x
Stock comp / revenue 5.6% 1.0% 1.1%

Financial Health

11 metrics
MetricAMSCHWMGNRC
Debt / assets – 36.4% 21.7%
Debt / equity – 0.8x 0.4x
Net debt / EBITDA – 1.4x 1.2x
Debt / FCF – 2.5x 3.2x
Liabilities / assets 24.9% 56.6% 50.9%
Equity / assets 75.1% 43.4% 49.1%
Interest coverage – – 7.3x
Current ratio 2.4x 1.9x 2.0x
Quick ratio 1.7x 0.7x 0.9x
Cash ratio 1.0x 0.2x 0.3x
Altman Z-score 3.14 8.96 4.18

Shareholder Returns

7 metrics
MetricAMSCHWMGNRC
Dividend yield – 0.2% 0.0%
Net buyback yield 0.0% 1.5% -0.1%
Shareholder yield 0.0% 1.8% -0.1%
Payout ratio (earnings) – 9.9% 0.1%
Payout ratio (FCF) – 10.5% 0.1%
Dividend growth (1Y) – 23.8% 0.0%
Dividend CAGR (3Y) – 43.3% –

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.

ConsensusAMSCHWMGNRC
Forward P/E 29.2xFY2026 41.1xFY2026 20.3xFY2026
EPS, next fiscal year $0.90FY2026 $5.19FY2026 $9.31FY2026
EPS growth, next FY -75.0%FY2026 +37.7%FY2026 +46.8%FY2026
EPS growth, the year after +40.0% +31.2% +42.0%
Revenue, next fiscal year $383.43MFY2026 $10.37BFY2026 $4.60BFY2026
Revenue growth, next FY +28.2%FY2026 +25.7%FY2026 +9.1%FY2026
Revenue growth, the year after +15.7% +15.9% +48.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMSCHWMGNRC
Held by institutions 73.7% 91.0% 89.4%
Institutions holding 278 1,602 1,000
Change in shares held, QoQ +6.4% +0.7% -1.0%
Institutions buying 173 908 532
Institutions selling 77 485 322
Buyers to sellers 2.25 1.87 1.65

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.

AMSCHWMGNRC
AMSC 1.00 0.19 0.51
HWM 0.19 1.00 0.31
GNRC 0.51 0.31 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMSC, HWM and GNRC?

Howmet Aerospace (HWM) is the largest by market capitalisation: American Superconductor (AMSC) $1.27B, Howmet Aerospace (HWM) $84.99B, Generac Holdings (GNRC) $11.16B.

Which stock is cheaper, AMSC, HWM and GNRC?

American Superconductor (AMSC) trades on the lowest price-to-earnings ratio (American Superconductor (AMSC) 9.2x, Howmet Aerospace (HWM) 41.4x, Generac Holdings (GNRC) 37.0x). On next year's consensus earnings, Generac Holdings (GNRC) is cheapest (American Superconductor (AMSC) 29.2x, Howmet Aerospace (HWM) 41.1x, Generac Holdings (GNRC) 20.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

American Superconductor (AMSC) grew revenue fastest over the trailing twelve months: American Superconductor (AMSC) +25.9%, Howmet Aerospace (HWM) +22.0%, Generac Holdings (GNRC) +6.1%.

Which company is more profitable?

American Superconductor (AMSC) has the highest net margin (American Superconductor (AMSC) 42.6%, Howmet Aerospace (HWM) 21.1%, Generac Holdings (GNRC) 6.5%). On return on invested capital, Howmet Aerospace (HWM) leads (Howmet Aerospace (HWM) 21.5%, Generac Holdings (GNRC) 8.4%).

Which stock has performed better?

Over the past year Generac Holdings (GNRC) returned the most: American Superconductor (AMSC) -53.3%, Howmet Aerospace (HWM) +4.2%, Generac Holdings (GNRC) +20.9%. Over five years, Howmet Aerospace (HWM) compounded fastest (American Superconductor (AMSC) +8.3%/yr, Howmet Aerospace (HWM) +45.0%/yr, Generac Holdings (GNRC) -15.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Howmet Aerospace (HWM) 0.23%, Generac Holdings (GNRC) 0.00%. American Superconductor (AMSC) and Generac Holdings (GNRC) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Howmet Aerospace (HWM) has been the steadiest (American Superconductor (AMSC) 85.3%, Howmet Aerospace (HWM) 36.7%, Generac Holdings (GNRC) 57.4%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Howmet Aerospace (HWM) leads on 4. 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.