AMSC vs HUBB vs GNRC Stock Comparison

American Superconductor, Hubbell and Generac Holdings Prices as of Oct 23, 2026 Peers: Industry group
HUBB Hubbell Inc
$448.11 -3.4% 1M +3.4% 1Y
Market cap
$24.29B
P/E
26.9x
Revenue (TTM)
$6.22B
Div. yield
–
Electrical Equipment Industrials
8 wins
GNRC Generac Holdings Inc.
$186.92 -6.2% 1M -1.1% 1Y
Market cap
$11.16B
P/E
43.2x
Revenue (TTM)
$4.44B
Div. yield
–
Power Equipment Industrials
3 wins

Head to Head

11 decided of 12

Hubbell leads on 8 of the 12 questions below (Hubbell 8, Generac Holdings 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMSCHUBBGNRCLeader
Larger companyMarket capitalisation $1.17B $24.29B $11.16B HUBB
Cheaper on earningsLower P/E, profitable companies only — 26.9x 43.2x HUBB
Cheaper on forward earningsLower price / next fiscal year consensus EPS 27.9x 22.3x 20.1x GNRC
Faster revenue growthRevenue growth, trailing twelve months — +10.6% +0.6% HUBB
More profitableNet margin, trailing twelve months — 14.5% 5.8% HUBB
Better return on capitalReturn on invested capital — 12.8% 7.9% HUBB
Less leveragedLower net debt / EBITDA — 3.3x 1.6x GNRC
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -55.6% +3.4% -1.1% HUBB
Better 5-year returnAnnualised price return, 5 years +8.0%/yr +18.5%/yr -16.9%/yr HUBB
Less volatileAnnualised volatility, 1 year 85.6% 32.0% 57.1% HUBB
Higher overall scoreMean of the five percentile scores vs peers — 54/100 63/100 GNRC

Percentile Scorecard

AMSCHUBBGNRC

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

AxisAMSCHUBBGNRC
Valuation – 32 #139 of 203 70 #19 of 61
Growth – 67 #62 of 188 42 #34 of 58
Profitability – 89 #21 of 187 87 #8 of 55
Financial Health 76 #18 of 71 13 #193 of 222 44 #40 of 71
Shareholder Returns – 67 #51 of 153 70 #10 of 31
Overall – 54 63
  • AMSC ranked among 71 companies in Clean Energy Equipment
  • HUBB ranked among 222 companies in Machinery
  • GNRC 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

PeriodAMSCHUBBGNRCSPY
1 month -19.1%-3.4%-6.2% -1.0%
3 months -17.7%-7.8%-7.6% +2.9%
6 months -49.2%-19.0%-15.4% +6.4%
Year to date -12.7%+0.9%+37.1% +11.4%
1 year -55.6%+3.4%-1.1% +13.1%
3 years +300.6%+58.8%+115.4% +79.4%
3 years, per year +58.9%+16.7%+29.2% +21.5%
5 years +46.6%+133.3%-60.3% +67.7%
5 years, per year +8.0%+18.5%-16.9% +10.9%
10 years +251.3%+328.4%+409.3% +255.2%
10 years, per year +13.4%+15.7%+17.7% +13.5%

Risk

MeasureAMSCHUBBGNRCSPY
Volatility, 1Y 85.6%32.0%57.1% 12.7%
Downside volatility, 1Y 98.5%34.3%54.5% 12.7%
Beta vs S&P 500, 1Y 3.421.202.15 1.00
Return / volatility, 1Y -0.650.11-0.02 1.03
Max drawdown, 5Y -82.9%-33.1%-83.7% -25.4%
From 52-week high -60.1%-19.7%-36.8% -2.5%
52-week high $63.01$557.85$295.54 $779.14
52-week low $25.01$407.36$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.

MultipleAMSCHUBBGNRC
P/E now vs peer median —median 24.1x 26.3xmedian 25.9x 42.6xmedian 24.1x
P/S now vs peer median —median 2.2x 3.8xmedian 1.9x 2.5xmedian 2.2x
EV/EBITDA now vs peer median —median 17.4x 19.2xmedian 13.7x 18.1xmedian 17.4x
P/FCF now vs peer median —median 27.4x 26.3xmedian 21.1x 29.1xmedian 27.4x
P/B now vs peer median 2.2xmedian 1.8x 6.0xmedian 2.3x 3.8xmedian 1.8x
PEG now vs peer median —median 0.76 1.99median 1.19 3.27median 0.76

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 monthsAMSCHUBBGNRC
Revenue – $6.22B $4.44B
Gross profit – $2.19B $1.76B
Operating income – $1.25B $421.49M
Net income – $907.10M $258.77M
Free cash flow – $901.40M $379.25M
R&D – – $249.51M
EPS (diluted) – $16.98 $4.33
Cash & equivalents $140.69M $378.60M $264.92M
Total debt – $11.71B $1.33B
Shares (diluted) 44.94M 53.10M 59.64M
Enterprise value $462.83M $22.19B $9.99B

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
MetricAMSCHUBBGNRC
P/E – 26.3x 42.6x
P/FCF – 26.3x 29.1x
P/Operating cash flow – 22.2x 20.1x
P/S – 3.8x 2.5x
P/B 2.2x 6.0x 3.8x
P/Tangible book 2.2x 32.3x 4.2x
EV/EBITDA – 19.2x 18.1x
EV/EBIT – 22.8x 28.7x
EV/Revenue – 4.6x 2.7x
EV/FCF – 31.8x 31.9x
EV/Operating cash flow – 26.8x 22.1x
PEG (3Y EPS CAGR) – 1.99 3.27

Growth

14 metrics
MetricAMSCHUBBGNRC
Revenue growth (1Y) – 10.6% 0.6%
Revenue CAGR (3Y) – 6.3% 3.3%
Gross profit growth (1Y) – 12.0% -0.4%
Gross profit CAGR (3Y) – 8.6% 10.4%
Operating income growth (1Y) – 10.1% -25.0%
Operating income CAGR (3Y) – 11.2% 9.0%
Net income growth (1Y) – 8.3% -26.1%
Net income CAGR (3Y) – 12.6% 10.1%
EPS growth (1Y) – 9.2% -26.7%
EPS CAGR (3Y) – 13.2% 13.0%
Operating cash flow growth (1Y) – 11.6% -19.6%
Operating cash flow CAGR (3Y) – 10.0% 71.1%
Free cash flow growth (1Y) – 14.8% -25.9%
Free cash flow CAGR (3Y) – 11.7% 188.3%

Profitability

14 metrics
MetricAMSCHUBBGNRC
Gross margin – 35.2% 39.5%
EBITDA margin – 24.0% 15.1%
Operating margin – 20.2% 9.5%
Pretax margin – 18.2% 7.6%
Net margin – 14.5% 5.8%
FCF margin – 14.5% 8.5%
Operating cash flow margin – 17.2% 12.3%
Return on equity – 23.6% 9.3%
Return on assets – 9.0% 4.6%
Return on invested capital – 12.8% 7.9%
Return on capital employed – 15.2% 9.4%
Asset turnover – 0.6x 0.8x
Cash conversion (OCF / net income) – 1.2x 2.1x
Stock comp / revenue – 0.5% 1.1%

Financial Health

11 metrics
MetricAMSCHUBBGNRC
Debt / assets – 45.4% 23.0%
Debt / equity – 1.4x 0.5x
Net debt / EBITDA – 3.3x 1.6x
Debt / FCF – 6.0x 3.5x
Liabilities / assets 24.9% 66.9% 50.1%
Equity / assets 75.1% 33.1% 49.9%
Interest coverage – – 6.2x
Current ratio 2.4x 1.6x 2.0x
Quick ratio 1.6x 0.9x 0.8x
Cash ratio 1.0x 0.2x 0.2x
Altman Z-score – – 4.34

Shareholder Returns

7 metrics
MetricAMSCHUBBGNRC
Dividend yield – 1.3% –
Net buyback yield – 0.9% -0.1%
Shareholder yield – 2.1% -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.

ConsensusAMSCHUBBGNRC
Forward P/E 27.9xFY2026 22.3xFY2026 20.1xFY2026
EPS, next fiscal year $0.90FY2026 $20.05FY2026 $9.32FY2026
EPS growth, next FY -75.0%FY2026 +10.1%FY2026 +47.0%FY2026
EPS growth, the year after +40.0% +21.6% +41.8%
Revenue, next fiscal year $383.43MFY2026 $7.32BFY2026 $4.60BFY2026
Revenue growth, next FY +28.2%FY2026 +25.4%FY2026 +9.4%FY2026
Revenue growth, the year after +15.7% +9.5% +48.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMSCHUBBGNRC
Held by institutions 73.7% 96.1% 89.4%
Institutions holding 277 1,014 998
Change in shares held, QoQ +6.4% -0.4% -1.0%
Institutions buying 173 511 531
Institutions selling 77 317 321
Buyers to sellers 2.25 1.61 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.

AMSCHUBBGNRC
AMSC 1.00 0.41 0.50
HUBB 0.41 1.00 0.51
GNRC 0.50 0.51 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMSC, HUBB and GNRC?

Hubbell (HUBB) is the largest by market capitalisation: American Superconductor (AMSC) $1.17B, Hubbell (HUBB) $24.29B, Generac Holdings (GNRC) $11.16B.

Which stock is cheaper, AMSC, HUBB and GNRC?

Hubbell (HUBB) trades on the lowest price-to-earnings ratio (Hubbell (HUBB) 26.9x, Generac Holdings (GNRC) 43.2x). On next year's consensus earnings, Generac Holdings (GNRC) is cheapest (American Superconductor (AMSC) 27.9x, Hubbell (HUBB) 22.3x, Generac Holdings (GNRC) 20.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Hubbell (HUBB) grew revenue fastest over the trailing twelve months: Hubbell (HUBB) +10.6%, Generac Holdings (GNRC) +0.6%.

Which company is more profitable?

Hubbell (HUBB) has the highest net margin (Hubbell (HUBB) 14.5%, Generac Holdings (GNRC) 5.8%). On return on invested capital, Hubbell (HUBB) leads (Hubbell (HUBB) 12.8%, Generac Holdings (GNRC) 7.9%).

Which stock has performed better?

Over the past year Hubbell (HUBB) returned the most: American Superconductor (AMSC) -55.6%, Hubbell (HUBB) +3.4%, Generac Holdings (GNRC) -1.1%. Over five years, Hubbell (HUBB) compounded fastest (American Superconductor (AMSC) +8.0%/yr, Hubbell (HUBB) +18.5%/yr, Generac Holdings (GNRC) -16.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Hubbell (HUBB) has been the steadiest (American Superconductor (AMSC) 85.6%, Hubbell (HUBB) 32.0%, Generac Holdings (GNRC) 57.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMSC, HUBB 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, Hubbell (HUBB) leads on 8. 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.