NRGV vs FLNC vs AMPX Stock Comparison

Energy Vault Holdings, Fluence Energy and Amprius Technologies Prices as of Oct 26, 2026 Peers: Industry group
FLNC Fluence Energy, Inc.
$5.50 -29.9% 1M -71.8% 1Y
Market cap
$826.70M
P/E
–
Revenue (TTM)
$2.63B
Div. yield
–
Energy Storage Industrials
2 wins

Head to Head

6 decided of 12

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

QuestionNRGVFLNCAMPXLeader
Larger companyMarket capitalisation $528.97M $826.70M $1.28B AMPX
Cheaper on earningsLower P/E, profitable companies only -4.8x -10.2x -33.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +336.8% +7.5% +143.6% NRGV
More profitableNet margin, trailing twelve months -48.6% -3.1% -35.2% FLNC
Better return on capitalReturn on invested capital -32.8% — — –
Less leveragedLower net debt / EBITDA -2.2x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -23.8% -71.8% -35.2% NRGV
Better 5-year returnAnnualised price return, 5 years -23.5%/yr — — –
Less volatileAnnualised volatility, 1 year 102.4% 114.9% 99.9% AMPX
Higher overall scoreMean of the five percentile scores vs peers 33/100 53/100 52/100 FLNC

Percentile Scorecard

NRGVFLNCAMPX

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

AxisNRGVFLNCAMPX
Valuation 27 #45 of 61 63 #23 of 61 43 #35 of 61
Growth 54 #27 of 58 56 #26 of 58 46 #32 of 58
Profitability 39 #34 of 55 69 #18 of 55 46 #30 of 55
Financial Health 16 #60 of 71 26 #53 of 71 91 #7 of 71
Shareholder Returns 29 #21 of 29 50 #15 of 29 32 #20 of 29
Overall 33 53 52
  • NRGV ranked among 71 companies in Clean Energy Equipment
  • FLNC ranked among 71 companies in Clean Energy Equipment
  • AMPX 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

PeriodNRGVFLNCAMPXSPY
1 month -40.6%-29.9%-14.4% -0.8%
3 months -10.3%-59.3%-13.8% +3.5%
6 months -41.1%-58.8%-61.0% +7.0%
Year to date -43.2%-72.2%+5.8% +12.2%
1 year -23.8%-71.8%-35.2% +13.0%
3 years +37.2%-68.1%+198.2% +86.3%
3 years, per year +11.1%-31.7%+44.0% +23.1%
5 years -73.7%—— +68.6%
5 years, per year -23.5%—— +11.0%

Risk

MeasureNRGVFLNCAMPXSPY
Volatility, 1Y 102.4%114.9%99.9% 12.7%
Downside volatility, 1Y 107.6%112.9%106.4% 12.7%
Beta vs S&P 500, 1Y 3.254.103.44 1.00
Return / volatility, 1Y -0.23-0.63-0.35 1.02
Max drawdown, 5Y -97.1%-90.4%-94.5% -25.4%
From 52-week high -59.6%-82.9%-63.6% -1.8%
52-week high $6.49$32.23$22.91 $779.14
52-week low $2.51$5.50$7.59 $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.

MultipleNRGVFLNCAMPX
P/E now vs peer median -4.3xmedian 25.4x -9.4xmedian 25.4x -31.2xmedian 25.4x
P/S now vs peer median 2.1xmedian 2.1x 0.4xmedian 2.1x 11.2xmedian 2.1x
EV/EBITDA now vs peer median -9.2xmedian 17.5x 16.3xmedian 17.5x -30.8xmedian 17.5x
P/FCF now vs peer median -3.3xmedian 27.3x -8.8xmedian 27.3x -20.9xmedian 27.3x
P/B now vs peer median 68.8xmedian 1.7x 2.4xmedian 1.7x 9.7xmedian 1.7x
PEG now vs peer median -0.60median 0.77 -0.65median 0.77 -4.15median 0.77

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 monthsNRGVFLNCAMPX
Revenue $225.87M $2.63B $109.23M
Gross profit $50.76M $245.82M $24.31M
Operating income -$74.19M -$4.58M -$41.15M
Net income -$109.74M -$112.04M -$36.54M
Free cash flow -$144.74M -$115.33M -$58.44M
R&D $11.87M $84.24M $13.16M
EPS (diluted) $-0.62 $-0.59 $-0.27
Cash & equivalents $93.04M $339.33M $74.52M
Total debt $243.01M – –
Shares (diluted) 178.39M 138.13M 143.47M
Enterprise value $289.72M -$1.04B $975.55M

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
MetricNRGVFLNCAMPX
P/E -4.3x -9.4x -31.2x
P/FCF -3.3x -8.8x -20.9x
P/Operating cash flow -4.6x -10.1x -23.1x
P/S 2.1x 0.4x 11.2x
P/B 68.8x 2.4x 9.7x
P/Tangible book -1,395x 2.8x 9.7x
EV/EBITDA -9.2x 16.3x -30.8x
EV/EBIT -8.4x -147.7x -27.8x
EV/Revenue 2.8x 0.3x 10.5x
EV/FCF -4.3x -5.9x -19.6x
EV/Operating cash flow -6.1x -6.7x -21.7x
PEG (3Y EPS CAGR) -0.60 -0.65 -4.15

Growth

14 metrics
MetricNRGVFLNCAMPX
Revenue growth (1Y) 336.8% 7.5% 143.6%
Revenue CAGR (3Y) 13.8% 9.8% 203.2%
Gross profit growth (1Y) 385.2% -20.8% 390.2%
Gross profit CAGR (3Y) 31.4% 48.3% 65.0%
Operating income growth (1Y) 41.4% -106.8% -4.2%
Operating income CAGR (3Y) 15.6% 67.1% -10.1%
Net income growth (1Y) 24.1% -360.6% 3.9%
Net income CAGR (3Y) -0.1% 12.2% -8.2%
EPS growth (1Y) 33.2% -483.8% 14.2%
EPS CAGR (3Y) 7.1% 14.5% 7.5%
Operating cash flow growth (1Y) -227.0% 74.8% -55.5%
Operating cash flow CAGR (3Y) -5.1% 35.9% -37.2%
Free cash flow growth (1Y) -71.5% 72.1% -75.3%
Free cash flow CAGR (3Y) -9.9% 33.3% -33.4%

Profitability

14 metrics
MetricNRGVFLNCAMPX
Gross margin 22.5% 9.3% 22.3%
EBITDA margin -29.8% 1.6% -34.1%
Operating margin -32.8% -0.2% -37.7%
Pretax margin -45.9% -3.6% -37.7%
Net margin -48.6% -3.1% -35.2%
FCF margin -64.1% -4.4% -53.5%
Operating cash flow margin -45.4% -3.8% -48.4%
Return on equity -588.1% -25.2% -35.0%
Return on assets -32.8% -4.5% -29.4%
Return on invested capital -32.8% – –
Return on capital employed -40.7% -0.6% -33.8%
Asset turnover 0.7x 1.1x 0.8x
Cash conversion (OCF / net income) 0.9x 0.9x 1.4x
Stock comp / revenue 13.2% 0.7% 7.6%

Financial Health

11 metrics
MetricNRGVFLNCAMPX
Debt / assets 65.6% – –
Debt / equity 35.4x – –
Net debt / EBITDA -2.2x – –
Debt / FCF -1.7x – –
Liabilities / assets 98.1% 83.5% 15.8%
Equity / assets 1.9% 16.5% 84.2%
Interest coverage -5.5x – –
Current ratio 1.2x 1.3x 7.2x
Quick ratio 0.8x 0.6x 6.3x
Cash ratio 0.6x 0.2x 4.1x
Altman Z-score -1.25 1.39 29.69

Shareholder Returns

7 metrics
MetricNRGVFLNCAMPX
Dividend yield – – –
Net buyback yield -2.4% -0.4% -2.2%
Shareholder yield -2.4% -0.4% -2.2%
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.

ConsensusNRGVFLNCAMPX
EPS, next fiscal year $-0.37FY2026 $-1.18FY2026 $-0.09FY2026
Revenue, next fiscal year $309.42MFY2026 $2.49BFY2026 $150.37MFY2026
Revenue growth, next FY +51.9%FY2026 +10.0%FY2026 +106.0%FY2026
Revenue growth, the year after +54.4% +17.1% +50.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNRGVFLNCAMPX
Held by institutions 58.6% 87.8% 67.4%
Institutions holding 174 302 259
Change in shares held, QoQ +31.6% +0.9% +14.9%
Institutions buying 120 188 173
Institutions selling 30 84 63
Buyers to sellers 4.00 2.24 2.75

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.

NRGVFLNCAMPX
NRGV 1.00 0.42 0.44
FLNC 0.42 1.00 0.36
AMPX 0.44 0.36 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NRGV, FLNC and AMPX?

Amprius Technologies (AMPX) is the largest by market capitalisation: Energy Vault Holdings (NRGV) $528.97M, Fluence Energy (FLNC) $826.70M, Amprius Technologies (AMPX) $1.28B.

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%, Amprius Technologies (AMPX) +143.6%.

Which company is more profitable?

Fluence Energy (FLNC) has the highest net margin (Energy Vault Holdings (NRGV) -48.6%, Fluence Energy (FLNC) -3.1%, Amprius Technologies (AMPX) -35.2%).

Which stock has performed better?

Over the past year Energy Vault Holdings (NRGV) returned the most: Energy Vault Holdings (NRGV) -23.8%, Fluence Energy (FLNC) -71.8%, Amprius Technologies (AMPX) -35.2%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Amprius Technologies (AMPX) has been the steadiest (Energy Vault Holdings (NRGV) 102.4%, Fluence Energy (FLNC) 114.9%, Amprius Technologies (AMPX) 99.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NRGV, FLNC and AMPX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Amprius Technologies (AMPX) leads on 2. 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.