AMPX vs ENS Stock Comparison

Amprius Technologies and EnerSys Prices as of Oct 23, 2026 Peers: Industry group
ENS EnerSys
$165.99 -7.6% 1M +37.0% 1Y
Market cap
$6.18B
P/E
17.5x
Revenue (TTM)
$3.79B
Div. yield
–
Energy Storage Industrials
5 wins

Head to Head

6 decided of 12

EnerSys leads on 5 of the 12 questions below (EnerSys 5, Amprius Technologies 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMPXENSLeader
Larger companyMarket capitalisation $1.20B $6.18B ENS
Cheaper on earningsLower P/E, profitable companies only -31.2x 17.5x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 11.6x –
Faster revenue growthRevenue growth, trailing twelve months +143.6% +3.7% AMPX
More profitableNet margin, trailing twelve months -35.2% 9.3% ENS
Better return on capitalReturn on invested capital — 13.8% –
Less leveragedLower net debt / EBITDA — 0.8x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -29.8% +37.0% ENS
Better 5-year returnAnnualised price return, 5 years — +16.7%/yr –
Less volatileAnnualised volatility, 1 year 100.3% 42.3% ENS
Higher overall scoreMean of the five percentile scores vs peers 52/100 82/100 ENS

Percentile Scorecard

AMPXENS

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

AxisAMPXENS
Valuation 43 #35 of 61 92 #6 of 61
Growth 46 #32 of 58 60 #24 of 58
Profitability 46 #30 of 55 100 #1 of 55
Financial Health 91 #7 of 71 60 #29 of 71
Shareholder Returns 33 #21 of 31 97 #2 of 31
Overall 52 82
  • AMPX ranked among 71 companies in Clean Energy Equipment
  • ENS 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

PeriodAMPXENSSPY
1 month -15.8%-7.6% -1.0%
3 months -11.4%-13.0% +2.9%
6 months -60.4%-20.7% +6.4%
Year to date +3.8%+13.1% +11.4%
1 year -29.8%+37.0% +13.1%
3 years +206.7%+88.2% +79.4%
3 years, per year +45.3%+23.5% +21.5%
5 years —+116.2% +67.7%
5 years, per year —+16.7% +10.9%
10 years —+152.6% +255.2%
10 years, per year —+9.7% +13.5%

Risk

MeasureAMPXENSSPY
Volatility, 1Y 100.3%42.3% 12.7%
Downside volatility, 1Y 106.0%45.3% 12.7%
Beta vs S&P 500, 1Y 3.431.74 1.00
Return / volatility, 1Y -0.300.88 1.03
Max drawdown, 5Y -94.5%-33.0% -25.4%
From 52-week high -64.3%-31.8% -2.5%
52-week high $22.91$243.34 $779.14
52-week low $7.59$120.88 $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.

MultipleAMPXENS
P/E now vs peer median -30.6xmedian 24.1x 17.2xmedian 24.1x
P/S now vs peer median 11.0xmedian 2.2x 1.6xmedian 2.2x
EV/EBITDA now vs peer median -30.1xmedian 17.4x 10.7xmedian 17.4x
P/FCF now vs peer median -20.5xmedian 27.4x 8.4xmedian 27.4x
P/B now vs peer median 9.5xmedian 1.8x 3.1xmedian 1.8x
PEG now vs peer median -4.07median 0.76 0.76median 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 monthsAMPXENS
Revenue $109.23M $3.79B
Gross profit $24.31M $1.16B
Operating income -$41.15M $491.39M
Net income -$36.54M $352.55M
Free cash flow -$58.44M $717.31M
R&D $13.16M –
EPS (diluted) $-0.27 $9.37
Cash & equivalents $74.52M $530.66M
Total debt – $1.04B
Shares (diluted) 143.47M 37.63M
Enterprise value $896.64M $4.37B

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
MetricAMPXENS
P/E -30.6x 17.2x
P/FCF -20.5x 8.4x
P/Operating cash flow -22.6x 7.8x
P/S 11.0x 1.6x
P/B 9.5x 3.1x
P/Tangible book 9.5x 3.7x
EV/EBITDA -30.1x 10.7x
EV/EBIT -27.3x 13.3x
EV/Revenue 10.3x 1.7x
EV/FCF -19.2x 9.1x
EV/Operating cash flow -21.2x 8.4x
PEG (3Y EPS CAGR) -4.07 0.76

Growth

14 metrics
MetricAMPXENS
Revenue growth (1Y) 143.6% 3.7%
Revenue CAGR (3Y) 203.2% 0.7%
Gross profit growth (1Y) 390.2% 4.6%
Gross profit CAGR (3Y) 65.0% 9.0%
Operating income growth (1Y) -4.2% 6.9%
Operating income CAGR (3Y) -10.1% 15.7%
Net income growth (1Y) 3.9% 0.4%
Net income CAGR (3Y) -8.2% 18.5%
EPS growth (1Y) 14.2% 4.9%
EPS CAGR (3Y) 7.5% 22.7%
Operating cash flow growth (1Y) -55.5% 209.6%
Operating cash flow CAGR (3Y) -37.2% 22.1%
Free cash flow growth (1Y) -75.3% 439.5%
Free cash flow CAGR (3Y) -33.4% 27.6%

Profitability

14 metrics
MetricAMPXENS
Gross margin 22.3% 30.5%
EBITDA margin -34.1% 16.1%
Operating margin -37.7% 13.0%
Pretax margin -37.7% 11.0%
Net margin -35.2% 9.3%
FCF margin -53.5% 18.9%
Operating cash flow margin -48.4% 20.5%
Return on equity -35.0% 18.2%
Return on assets -29.4% 8.9%
Return on invested capital – 13.8%
Return on capital employed -33.8% 15.3%
Asset turnover 0.8x 1.0x
Cash conversion (OCF / net income) 1.4x 2.2x
Stock comp / revenue 7.6% 0.7%

Financial Health

11 metrics
MetricAMPXENS
Debt / assets – 26.3%
Debt / equity – 0.5x
Net debt / EBITDA – 0.8x
Debt / FCF – 1.4x
Liabilities / assets 15.8% 50.1%
Equity / assets 84.2% 49.9%
Interest coverage – 9.9x
Current ratio 7.2x 2.8x
Quick ratio 6.3x 1.4x
Cash ratio 4.1x 0.7x
Altman Z-score 29.09 4.62

Shareholder Returns

7 metrics
MetricAMPXENS
Dividend yield – 0.6%
Net buyback yield -2.3% 3.7%
Shareholder yield -2.3% 4.3%
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.

ConsensusAMPXENS
Forward P/E – 11.6xFY2026
EPS, next fiscal year $-0.09FY2026 $14.25FY2026
EPS growth, next FY – +34.9%FY2026
EPS growth, the year after – -1.3%
Revenue, next fiscal year $150.37MFY2026 $4.09BFY2026
Revenue growth, next FY +106.0%FY2026 +9.1%FY2026
Revenue growth, the year after +50.8% +4.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMPXENS
Held by institutions 67.4% 98.2%
Institutions holding 259 550
Change in shares held, QoQ +14.9% +3.3%
Institutions buying 173 310
Institutions selling 63 187
Buyers to sellers 2.75 1.66

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.

AMPXENS
AMPX 1.00 0.44
ENS 0.44 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, AMPX and ENS?

EnerSys (ENS) is the largest by market capitalisation: Amprius Technologies (AMPX) $1.20B, EnerSys (ENS) $6.18B.

Which company is growing faster?

Amprius Technologies (AMPX) grew revenue fastest over the trailing twelve months: Amprius Technologies (AMPX) +143.6%, EnerSys (ENS) +3.7%.

Which company is more profitable?

EnerSys (ENS) has the highest net margin (Amprius Technologies (AMPX) -35.2%, EnerSys (ENS) 9.3%).

Which stock has performed better?

Over the past year EnerSys (ENS) returned the most: Amprius Technologies (AMPX) -29.8%, EnerSys (ENS) +37.0%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, EnerSys (ENS) has been the steadiest (Amprius Technologies (AMPX) 100.3%, EnerSys (ENS) 42.3%). Volatility measures how widely the price swings, not the risk of the business.

Do AMPX and ENS move together?

Their daily returns over the past year have a correlation of 0.44, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, AMPX and ENS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, EnerSys (ENS) 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.