AMPX vs EOSE vs FLNC Stock Comparison

Amprius Technologies, Eos Energy Enterprises and Fluence Energy Prices as of Oct 26, 2026 Peers: Industry group
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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 3 of the 12 questions below (Amprius Technologies 3, Fluence Energy 2, Eos Energy Enterprises 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMPXEOSEFLNCLeader
Larger companyMarket capitalisation $1.28B $624.82M $826.70M AMPX
Cheaper on earningsLower P/E, profitable companies only -33.2x -0.5x -10.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +143.6% +533.9% +7.5% EOSE
More profitableNet margin, trailing twelve months -35.2% -546.5% -3.1% FLNC
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — -1.1x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -35.2% -89.9% -71.8% AMPX
Better 5-year returnAnnualised price return, 5 years — -31.2%/yr — –
Less volatileAnnualised volatility, 1 year 99.9% 119.3% 114.9% AMPX
Higher overall scoreMean of the five percentile scores vs peers 52/100 19/100 53/100 FLNC

Percentile Scorecard

AMPXEOSEFLNC

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

AxisAMPXEOSEFLNC
Valuation 43 #35 of 61 5 #58 of 61 63 #23 of 61
Growth 46 #32 of 58 26 #43 of 58 56 #26 of 58
Profitability 46 #30 of 55 17 #46 of 55 69 #18 of 55
Financial Health 91 #7 of 71 27 #52 of 71 26 #53 of 71
Shareholder Returns 32 #20 of 29 – 50 #15 of 29
Overall 52 19 53
  • AMPX ranked among 71 companies in Clean Energy Equipment
  • EOSE ranked among 71 companies in Clean Energy Equipment
  • FLNC 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

PeriodAMPXEOSEFLNCSPY
1 month -14.4%-48.7%-29.9% -0.8%
3 months -13.8%-55.1%-59.3% +3.5%
6 months -61.0%-77.4%-58.8% +7.0%
Year to date +5.8%-85.9%-72.2% +12.2%
1 year -35.2%-89.9%-71.8% +13.0%
3 years +198.2%+4.5%-68.1% +86.3%
3 years, per year +44.0%+1.5%-31.7% +23.1%
5 years —-84.5%— +68.6%
5 years, per year —-31.2%— +11.0%

Risk

MeasureAMPXEOSEFLNCSPY
Volatility, 1Y 99.9%119.3%114.9% 12.7%
Downside volatility, 1Y 106.4%124.1%112.9% 12.7%
Beta vs S&P 500, 1Y 3.444.084.10 1.00
Return / volatility, 1Y -0.35-0.75-0.63 1.02
Max drawdown, 5Y -94.5%-94.6%-90.4% -25.4%
From 52-week high -63.6%-91.6%-82.9% -1.8%
52-week high $22.91$19.19$32.23 $779.14
52-week low $7.59$1.62$5.50 $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.

MultipleAMPXEOSEFLNC
P/E now vs peer median -31.2xmedian 25.4x -0.5xmedian 25.4x -9.4xmedian 25.4x
P/S now vs peer median 11.2xmedian 2.1x 2.6xmedian 2.1x 0.4xmedian 2.1x
EV/EBITDA now vs peer median -30.8xmedian 17.5x -3.0xmedian 17.5x 16.3xmedian 17.5x
P/FCF now vs peer median -20.9xmedian 27.3x -1.3xmedian 27.3x -8.8xmedian 27.3x
P/B now vs peer median 9.7xmedian 1.7x -0.5xmedian 1.7x 2.4xmedian 1.7x
PEG now vs peer median -4.15median 0.77 0.07median 0.77 -0.65median 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 monthsAMPXEOSEFLNC
Revenue $109.23M $214.25M $2.63B
Gross profit $24.31M -$181.57M $245.82M
Operating income -$41.15M -$305.61M -$4.58M
Net income -$36.54M -$528.67M -$112.04M
Free cash flow -$58.44M -$420.19M -$115.33M
R&D $13.16M $35.73M $84.24M
EPS (diluted) $-0.27 $-3.45 $-0.59
Cash & equivalents $74.52M $305.49M $339.33M
Total debt – $617.12M –
Shares (diluted) 143.47M 339.80M 138.13M
Enterprise value $975.55M -$718.05M -$1.04B

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
MetricAMPXEOSEFLNC
P/E -31.2x -0.5x -9.4x
P/FCF -20.9x -1.3x -8.8x
P/Operating cash flow -23.1x -1.8x -10.1x
P/S 11.2x 2.6x 0.4x
P/B 9.7x -0.5x 2.4x
P/Tangible book 9.7x -0.5x 2.8x
EV/EBITDA -30.8x -3.0x 16.3x
EV/EBIT -27.8x -2.8x -147.7x
EV/Revenue 10.5x 4.0x 0.3x
EV/FCF -19.6x -2.1x -5.9x
EV/Operating cash flow -21.7x -2.8x -6.7x
PEG (3Y EPS CAGR) -4.15 0.07 -0.65

Growth

14 metrics
MetricAMPXEOSEFLNC
Revenue growth (1Y) 143.6% 533.9% 7.5%
Revenue CAGR (3Y) 203.2% 129.1% 9.8%
Gross profit growth (1Y) 390.2% -74.8% -20.8%
Gross profit CAGR (3Y) 65.0% -21.5% 48.3%
Operating income growth (1Y) -4.2% -37.8% -106.8%
Operating income CAGR (3Y) -10.1% -18.2% 67.1%
Net income growth (1Y) 3.9% 35.4% -360.6%
Net income CAGR (3Y) -8.2% -16.9% 12.2%
EPS growth (1Y) 14.2% 19.6% -483.8%
EPS CAGR (3Y) 7.5% -6.9% 14.5%
Operating cash flow growth (1Y) -55.5% -69.0% 74.8%
Operating cash flow CAGR (3Y) -37.2% -18.4% 35.9%
Free cash flow growth (1Y) -75.3% -93.6% 72.1%
Free cash flow CAGR (3Y) -33.4% -27.2% 33.3%

Profitability

14 metrics
MetricAMPXEOSEFLNC
Gross margin 22.3% -84.7% 9.3%
EBITDA margin -34.1% -133.3% 1.6%
Operating margin -37.7% -142.6% -0.2%
Pretax margin -37.7% -246.7% -3.6%
Net margin -35.2% -546.5% -3.1%
FCF margin -53.5% -196.1% -4.4%
Operating cash flow margin -48.4% -143.7% -3.8%
Return on equity -35.0% – -25.2%
Return on assets -29.4% -62.0% -4.5%
Return on invested capital – – –
Return on capital employed -33.8% -44.0% -0.6%
Asset turnover 0.8x 0.3x 1.1x
Cash conversion (OCF / net income) 1.4x 0.6x 0.9x
Stock comp / revenue 7.6% 10.4% 0.7%

Financial Health

11 metrics
MetricAMPXEOSEFLNC
Debt / assets – 68.1% –
Debt / equity – -0.6x –
Net debt / EBITDA – -1.1x –
Debt / FCF – -1.5x –
Liabilities / assets 15.8% 213.7% 83.5%
Equity / assets 84.2% -113.7% 16.5%
Interest coverage – -7.9x –
Current ratio 7.2x 3.3x 1.3x
Quick ratio 6.3x 2.1x 0.6x
Cash ratio 4.1x 1.9x 0.2x
Altman Z-score 29.69 -3.79 1.39

Shareholder Returns

7 metrics
MetricAMPXEOSEFLNC
Dividend yield – – –
Net buyback yield -2.2% -103.6% -0.4%
Shareholder yield -2.2% -103.6% -0.4%
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.

ConsensusAMPXEOSEFLNC
EPS, next fiscal year $-0.09FY2026 $-1.29FY2026 $-1.18FY2026
Revenue, next fiscal year $150.37MFY2026 $317.26MFY2026 $2.49BFY2026
Revenue growth, next FY +106.0%FY2026 +177.8%FY2026 +10.0%FY2026
Revenue growth, the year after +50.8% +87.9% +17.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMPXEOSEFLNC
Held by institutions 67.4% 67.1% 87.8%
Institutions holding 259 350 302
Change in shares held, QoQ +14.9% +11.3% +0.9%
Institutions buying 173 214 188
Institutions selling 63 101 84
Buyers to sellers 2.75 2.12 2.24

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.

AMPXEOSEFLNC
AMPX 1.00 0.44 0.36
EOSE 0.44 1.00 0.46
FLNC 0.36 0.46 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMPX, EOSE and FLNC?

Amprius Technologies (AMPX) is the largest by market capitalisation: Amprius Technologies (AMPX) $1.28B, Eos Energy Enterprises (EOSE) $624.82M, Fluence Energy (FLNC) $826.70M.

Which company is growing faster?

Eos Energy Enterprises (EOSE) grew revenue fastest over the trailing twelve months: Amprius Technologies (AMPX) +143.6%, Eos Energy Enterprises (EOSE) +533.9%, Fluence Energy (FLNC) +7.5%.

Which company is more profitable?

Fluence Energy (FLNC) has the highest net margin (Amprius Technologies (AMPX) -35.2%, Eos Energy Enterprises (EOSE) -546.5%, Fluence Energy (FLNC) -3.1%).

Which stock has performed better?

Over the past year Amprius Technologies (AMPX) returned the most: Amprius Technologies (AMPX) -35.2%, Eos Energy Enterprises (EOSE) -89.9%, Fluence Energy (FLNC) -71.8%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Amprius Technologies (AMPX) has been the steadiest (Amprius Technologies (AMPX) 99.9%, Eos Energy Enterprises (EOSE) 119.3%, Fluence Energy (FLNC) 114.9%). Volatility measures how widely the price swings, not the risk of the business.

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

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 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.