NRGV vs FLNC vs ENS Stock Comparison

Energy Vault Holdings, Fluence Energy and EnerSys Prices as of Oct 27, 2026 Peers: Industry group
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FLNC Fluence Energy, Inc.
$6.01 -23.4% 1M -67.9% 1Y
Market cap
$839.81M
P/E
–
Revenue (TTM)
$2.63B
Div. yield
–
Energy Storage Industrials
ENS EnerSys
$174.18 -2.7% 1M +44.1% 1Y
Market cap
$6.25B
P/E
17.7x
Revenue (TTM)
$3.79B
Div. yield
–
Energy Storage Industrials
7 wins

Head to Head

9 decided of 12

EnerSys leads on 7 of the 12 questions below (EnerSys 7, Energy Vault Holdings 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNRGVFLNCENSLeader
Larger companyMarket capitalisation $573.49M $839.81M $6.25B ENS
Cheaper on earningsLower P/E, profitable companies only -5.2x -10.4x 17.7x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 12.2x –
Faster revenue growthRevenue growth, trailing twelve months +336.8% +7.5% +3.7% NRGV
More profitableNet margin, trailing twelve months -48.6% -3.1% 9.3% ENS
Better return on capitalReturn on invested capital -32.8% — 13.8% ENS
Less leveragedLower net debt / EBITDA -2.2x — 0.8x NRGV
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -7.2% -67.9% +44.1% ENS
Better 5-year returnAnnualised price return, 5 years -21.5%/yr -29.7%/yr +17.5%/yr ENS
Less volatileAnnualised volatility, 1 year 103.1% 115.0% 42.4% ENS
Higher overall scoreMean of the five percentile scores vs peers 33/100 53/100 82/100 ENS

Percentile Scorecard

NRGVFLNCENS

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

AxisNRGVFLNCENS
Valuation 27 #45 of 61 65 #22 of 61 92 #6 of 61
Growth 54 #27 of 58 56 #26 of 58 60 #24 of 58
Profitability 39 #34 of 55 69 #18 of 55 100 #1 of 55
Financial Health 16 #60 of 71 26 #53 of 71 61 #28 of 71
Shareholder Returns 31 #21 of 30 52 #15 of 30 97 #2 of 30
Overall 33 53 82
  • NRGV ranked among 71 companies in Clean Energy Equipment
  • FLNC 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

PeriodNRGVFLNCENSSPY
1 month -32.4%-23.4%-2.7% -0.2%
3 months +7.6%-52.4%-5.1% +3.9%
6 months -29.0%-51.3%-15.4% +8.2%
Year to date -35.4%-69.6%+18.7% +12.9%
1 year -7.2%-67.9%+44.1% +12.3%
3 years +56.0%-65.2%+102.9% +87.4%
3 years, per year +16.0%-29.7%+26.6% +23.3%
5 years -70.1%-82.8%+123.9% +67.9%
5 years, per year -21.5%-29.7%+17.5% +10.9%
10 years ——+172.1% +261.1%
10 years, per year ——+10.5% +13.7%

Risk

MeasureNRGVFLNCENSSPY
Volatility, 1Y 103.1%115.0%42.4% 12.7%
Downside volatility, 1Y 107.6%112.9%45.5% 12.7%
Beta vs S&P 500, 1Y 3.294.121.77 1.00
Return / volatility, 1Y -0.07-0.591.04 0.97
Max drawdown, 5Y -97.1%-90.4%-33.0% -25.4%
From 52-week high -54.1%-81.4%-28.4% -1.2%
52-week high $6.49$32.23$243.34 $779.14
52-week low $2.51$5.50$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.

MultipleNRGVFLNCENS
P/E now vs peer median -4.8xmedian 27.2x -10.3xmedian 27.2x 18.0xmedian 27.2x
P/S now vs peer median 2.4xmedian 2.4x 0.4xmedian 2.4x 1.7xmedian 2.4x
EV/EBITDA now vs peer median -10.2xmedian 18.4x 18.6xmedian 18.4x 11.2xmedian 18.4x
P/FCF now vs peer median -3.7xmedian 28.6x -9.6xmedian 28.6x 8.8xmedian 28.6x
P/B now vs peer median 78.2xmedian 1.7x 2.6xmedian 1.7x 3.2xmedian 1.7x
PEG now vs peer median -0.69median 0.79 -0.71median 0.79 0.79median 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 monthsNRGVFLNCENS
Revenue $225.87M $2.63B $3.79B
Gross profit $50.76M $245.82M $1.16B
Operating income -$74.19M -$4.58M $491.39M
Net income -$109.74M -$112.04M $352.55M
Free cash flow -$144.74M -$115.33M $717.31M
R&D $11.87M $84.24M –
EPS (diluted) $-0.62 $-0.59 $9.37
Cash & equivalents $93.04M $339.33M $530.66M
Total debt $243.01M – $1.04B
Shares (diluted) 178.39M 138.13M 37.63M
Enterprise value $334.25M -$1.03B $4.45B

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
MetricNRGVFLNCENS
P/E -4.8x -10.3x 18.0x
P/FCF -3.7x -9.6x 8.8x
P/Operating cash flow -5.2x -11.0x 8.1x
P/S 2.4x 0.4x 1.7x
P/B 78.2x 2.6x 3.2x
P/Tangible book -1,586x 3.0x 3.9x
EV/EBITDA -10.2x 18.6x 11.2x
EV/EBIT -9.2x -168.3x 13.9x
EV/Revenue 3.0x 0.3x 1.8x
EV/FCF -4.7x -6.7x 9.5x
EV/Operating cash flow -6.7x -7.6x 8.8x
PEG (3Y EPS CAGR) -0.69 -0.71 0.79

Growth

14 metrics
MetricNRGVFLNCENS
Revenue growth (1Y) 336.8% 7.5% 3.7%
Revenue CAGR (3Y) 13.8% 9.8% 0.7%
Gross profit growth (1Y) 385.2% -20.8% 4.6%
Gross profit CAGR (3Y) 31.4% 48.3% 9.0%
Operating income growth (1Y) 41.4% -106.8% 6.9%
Operating income CAGR (3Y) 15.6% 67.1% 15.7%
Net income growth (1Y) 24.1% -360.6% 0.4%
Net income CAGR (3Y) -0.1% 12.2% 18.5%
EPS growth (1Y) 33.2% -483.8% 4.9%
EPS CAGR (3Y) 7.1% 14.5% 22.7%
Operating cash flow growth (1Y) -227.0% 74.8% 209.6%
Operating cash flow CAGR (3Y) -5.1% 35.9% 22.1%
Free cash flow growth (1Y) -71.5% 72.1% 439.5%
Free cash flow CAGR (3Y) -9.9% 33.3% 27.6%

Profitability

14 metrics
MetricNRGVFLNCENS
Gross margin 22.5% 9.3% 30.5%
EBITDA margin -29.8% 1.6% 16.1%
Operating margin -32.8% -0.2% 13.0%
Pretax margin -45.9% -3.6% 11.0%
Net margin -48.6% -3.1% 9.3%
FCF margin -64.1% -4.4% 18.9%
Operating cash flow margin -45.4% -3.8% 20.5%
Return on equity -588.1% -25.2% 18.2%
Return on assets -32.8% -4.5% 8.9%
Return on invested capital -32.8% – 13.8%
Return on capital employed -40.7% -0.6% 15.3%
Asset turnover 0.7x 1.1x 1.0x
Cash conversion (OCF / net income) 0.9x 0.9x 2.2x
Stock comp / revenue 13.2% 0.7% 0.7%

Financial Health

11 metrics
MetricNRGVFLNCENS
Debt / assets 65.6% – 26.3%
Debt / equity 35.4x – 0.5x
Net debt / EBITDA -2.2x – 0.8x
Debt / FCF -1.7x – 1.4x
Liabilities / assets 98.1% 83.5% 50.1%
Equity / assets 1.9% 16.5% 49.9%
Interest coverage -5.5x – 9.9x
Current ratio 1.2x 1.3x 2.8x
Quick ratio 0.8x 0.6x 1.4x
Cash ratio 0.6x 0.2x 0.7x
Altman Z-score -1.15 1.42 4.71

Shareholder Returns

7 metrics
MetricNRGVFLNCENS
Dividend yield – – 0.6%
Net buyback yield -2.1% -0.3% 3.5%
Shareholder yield -2.1% -0.3% 4.1%
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.

ConsensusNRGVFLNCENS
Forward P/E – – 12.2xFY2026
EPS, next fiscal year $-0.37FY2026 $-1.18FY2026 $14.25FY2026
EPS growth, next FY – – +34.9%FY2026
EPS growth, the year after – – -1.3%
Revenue, next fiscal year $309.42MFY2026 $2.49BFY2026 $4.09BFY2026
Revenue growth, next FY +51.9%FY2026 +10.0%FY2026 +9.1%FY2026
Revenue growth, the year after +54.4% +17.1% +4.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNRGVFLNCENS
Held by institutions 58.6% 90.9% 98.2%
Institutions holding 174 302 550
Change in shares held, QoQ +31.6% +0.9% +3.3%
Institutions buying 120 188 310
Institutions selling 30 84 187
Buyers to sellers 4.00 2.24 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.

NRGVFLNCENS
NRGV 1.00 0.43 0.49
FLNC 0.43 1.00 0.50
ENS 0.49 0.50 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, NRGV, FLNC and ENS?

EnerSys (ENS) is the largest by market capitalisation: Energy Vault Holdings (NRGV) $573.49M, Fluence Energy (FLNC) $839.81M, EnerSys (ENS) $6.25B.

Which company is growing faster?

Energy Vault Holdings (NRGV) grew revenue fastest over the trailing twelve months: Energy Vault Holdings (NRGV) +336.8%, Fluence Energy (FLNC) +7.5%, EnerSys (ENS) +3.7%.

Which company is more profitable?

EnerSys (ENS) has the highest net margin (Energy Vault Holdings (NRGV) -48.6%, Fluence Energy (FLNC) -3.1%, EnerSys (ENS) 9.3%). On return on invested capital, EnerSys (ENS) leads (Energy Vault Holdings (NRGV) -32.8%, EnerSys (ENS) 13.8%).

Which stock has performed better?

Over the past year EnerSys (ENS) returned the most: Energy Vault Holdings (NRGV) -7.2%, Fluence Energy (FLNC) -67.9%, EnerSys (ENS) +44.1%. Over five years, EnerSys (ENS) compounded fastest (Energy Vault Holdings (NRGV) -21.5%/yr, Fluence Energy (FLNC) -29.7%/yr, EnerSys (ENS) +17.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, EnerSys (ENS) has been the steadiest (Energy Vault Holdings (NRGV) 103.1%, Fluence Energy (FLNC) 115.0%, EnerSys (ENS) 42.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NRGV, FLNC 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 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.