AMPX vs NRGV vs QS Stock Comparison

Amprius Technologies, Energy Vault Holdings and QuantumScape Prices as of Oct 26, 2026 Peers: Industry group
QS QuantumScape Corp
$3.90 -20.6% 1M -76.8% 1Y
Market cap
$2.60B
P/E
–
Revenue (TTM)
—
Div. yield
–
Energy Storage Industrials
2 wins

Head to Head

7 decided of 12

Energy Vault Holdings leads on 3 of the 12 questions below (Energy Vault Holdings 3, QuantumScape 2, Amprius Technologies 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMPXNRGVQSLeader
Larger companyMarket capitalisation $1.25B $527.18M $2.60B QS
Cheaper on earningsLower P/E, profitable companies only -32.6x -4.8x -6.8x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +143.6% +336.8% — NRGV
More profitableNet margin, trailing twelve months -35.2% -48.6% — AMPX
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 -35.2% -23.8% -76.8% NRGV
Better 5-year returnAnnualised price return, 5 years — -23.5%/yr -30.2%/yr NRGV
Less volatileAnnualised volatility, 1 year 99.9% 102.4% 70.0% QS
Higher overall scoreMean of the five percentile scores vs peers 52/100 33/100 49/100 AMPX

Percentile Scorecard

AMPXNRGVQS

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

AxisAMPXNRGVQS
Valuation 43 #35 of 61 27 #45 of 61 42 #36 of 61
Growth 46 #32 of 58 54 #27 of 58 44 #33 of 58
Profitability 46 #30 of 55 39 #34 of 55 35 #36 of 55
Financial Health 91 #7 of 71 16 #60 of 71 86 #11 of 71
Shareholder Returns 32 #20 of 29 29 #21 of 29 39 #18 of 29
Overall 52 33 49
  • AMPX ranked among 71 companies in Clean Energy Equipment
  • NRGV ranked among 71 companies in Clean Energy Equipment
  • QS 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

PeriodAMPXNRGVQSSPY
1 month -14.4%-40.6%-20.6% -0.8%
3 months -13.8%-10.3%-24.7% +3.5%
6 months -61.0%-41.1%-44.8% +7.0%
Year to date +5.8%-43.2%-62.6% +12.2%
1 year -35.2%-23.8%-76.8% +13.0%
3 years +198.2%+37.2%-26.1% +86.3%
3 years, per year +44.0%+11.1%-9.6% +23.1%
5 years —-73.7%-83.4% +68.6%
5 years, per year —-23.5%-30.2% +11.0%

Risk

MeasureAMPXNRGVQSSPY
Volatility, 1Y 99.9%102.4%70.0% 12.7%
Downside volatility, 1Y 106.4%107.6%72.7% 12.7%
Beta vs S&P 500, 1Y 3.443.253.03 1.00
Return / volatility, 1Y -0.35-0.23-1.10 1.02
Max drawdown, 5Y -94.5%-97.1%-91.4% -25.4%
From 52-week high -63.6%-59.6%-78.9% -1.8%
52-week high $22.91$6.49$18.44 $779.14
52-week low $7.59$2.51$3.89 $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.

MultipleAMPXNRGVQS
P/E now vs peer median -31.2xmedian 25.4x -4.3xmedian 25.4x -6.3xmedian 25.4x
P/S now vs peer median 11.2xmedian 2.1x 2.1xmedian 2.1x —median 2.1x
EV/EBITDA now vs peer median -30.8xmedian 17.5x -9.2xmedian 17.5x -4.4xmedian 17.5x
P/FCF now vs peer median -20.9xmedian 27.3x -3.3xmedian 27.3x -9.4xmedian 27.3x
P/B now vs peer median 9.7xmedian 1.7x 68.8xmedian 1.7x 2.4xmedian 1.7x
PEG now vs peer median -4.15median 0.77 -0.60median 0.77 -0.49median 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 monthsAMPXNRGVQS
Revenue $109.23M $225.87M –
Gross profit $24.31M $50.76M –
Operating income -$41.15M -$74.19M -$418.18M
Net income -$36.54M -$109.74M -$383.62M
Free cash flow -$58.44M -$144.74M -$258.79M
R&D $13.16M $11.87M $327.75M
EPS (diluted) $-0.27 $-0.62 $-0.62
Cash & equivalents $74.52M $93.04M $75.60M
Total debt – $243.01M –
Shares (diluted) 143.47M 178.39M 620.56M
Enterprise value $951.16M $287.94M -$954.16M

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
MetricAMPXNRGVQS
P/E -31.2x -4.3x -6.3x
P/FCF -20.9x -3.3x -9.4x
P/Operating cash flow -23.1x -4.6x -10.6x
P/S 11.2x 2.1x –
P/B 9.7x 68.8x 2.4x
P/Tangible book 9.7x -1,395x 2.4x
EV/EBITDA -30.8x -9.2x -4.4x
EV/EBIT -27.8x -8.4x -3.8x
EV/Revenue 10.5x 2.8x –
EV/FCF -19.6x -4.3x -6.2x
EV/Operating cash flow -21.7x -6.1x -7.0x
PEG (3Y EPS CAGR) -4.15 -0.60 -0.49

Growth

14 metrics
MetricAMPXNRGVQS
Revenue growth (1Y) 143.6% 336.8% –
Revenue CAGR (3Y) 203.2% 13.8% –
Gross profit growth (1Y) 390.2% 385.2% –
Gross profit CAGR (3Y) 65.0% 31.4% –
Operating income growth (1Y) -4.2% 41.4% 14.8%
Operating income CAGR (3Y) -10.1% 15.6% 3.7%
Net income growth (1Y) 3.9% 24.1% 14.7%
Net income CAGR (3Y) -8.2% -0.1% 4.5%
EPS growth (1Y) 14.2% 33.2% 19.1%
EPS CAGR (3Y) 7.5% 7.1% 12.9%
Operating cash flow growth (1Y) -55.5% -227.0% 7.1%
Operating cash flow CAGR (3Y) -37.2% -5.1% 2.5%
Free cash flow growth (1Y) -75.3% -71.5% 7.6%
Free cash flow CAGR (3Y) -33.4% -9.9% 9.9%

Profitability

14 metrics
MetricAMPXNRGVQS
Gross margin 22.3% 22.5% –
EBITDA margin -34.1% -29.8% –
Operating margin -37.7% -32.8% –
Pretax margin -37.7% -45.9% –
Net margin -35.2% -48.6% –
FCF margin -53.5% -64.1% –
Operating cash flow margin -48.4% -45.4% –
Return on equity -35.0% -588.1% -37.5%
Return on assets -29.4% -32.8% -33.5%
Return on invested capital – -32.8% –
Return on capital employed -33.8% -40.7% -38.3%
Asset turnover 0.8x 0.7x –
Cash conversion (OCF / net income) 1.4x 0.9x 0.6x
Stock comp / revenue 7.6% 13.2% –

Financial Health

11 metrics
MetricAMPXNRGVQS
Debt / assets – 65.6% –
Debt / equity – 35.4x –
Net debt / EBITDA – -2.2x –
Debt / FCF – -1.7x –
Liabilities / assets 15.8% 98.1% 11.1%
Equity / assets 84.2% 1.9% 88.9%
Interest coverage – -5.5x -221.6x
Current ratio 7.2x 1.2x 16.1x
Quick ratio 6.3x 0.8x 15.8x
Cash ratio 4.1x 0.6x 15.8x
Altman Z-score 29.69 -1.25 –

Shareholder Returns

7 metrics
MetricAMPXNRGVQS
Dividend yield – – –
Net buyback yield -2.2% -2.4% -0.5%
Shareholder yield -2.2% -2.4% -0.5%
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.

ConsensusAMPXNRGVQS
EPS, next fiscal year $-0.09FY2026 $-0.37FY2026 $-0.61FY2026
Revenue, next fiscal year $150.37MFY2026 $309.42MFY2026 $0.00FY2026
Revenue growth, next FY +106.0%FY2026 +51.9%FY2026 –
Revenue growth, the year after +50.8% +54.4% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMPXNRGVQS
Held by institutions 67.4% 58.6% 33.9%
Institutions holding 259 174 451
Change in shares held, QoQ +14.9% +31.6% -10.0%
Institutions buying 173 120 258
Institutions selling 63 30 90
Buyers to sellers 2.75 4.00 2.87

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.

AMPXNRGVQS
AMPX 1.00 0.44 0.63
NRGV 0.44 1.00 0.53
QS 0.63 0.53 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMPX, NRGV and QS?

QuantumScape (QS) is the largest by market capitalisation: Amprius Technologies (AMPX) $1.25B, Energy Vault Holdings (NRGV) $527.18M, QuantumScape (QS) $2.60B.

Which company is growing faster?

Energy Vault Holdings (NRGV) grew revenue fastest over the trailing twelve months: Amprius Technologies (AMPX) +143.6%, Energy Vault Holdings (NRGV) +336.8%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Energy Vault Holdings (NRGV) returned the most: Amprius Technologies (AMPX) -35.2%, Energy Vault Holdings (NRGV) -23.8%, QuantumScape (QS) -76.8%. Over five years, Energy Vault Holdings (NRGV) compounded fastest (Energy Vault Holdings (NRGV) -23.5%/yr, QuantumScape (QS) -30.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, QuantumScape (QS) has been the steadiest (Amprius Technologies (AMPX) 99.9%, Energy Vault Holdings (NRGV) 102.4%, QuantumScape (QS) 70.0%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Energy Vault Holdings (NRGV) leads on 3. 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.