EOSE vs QS vs SES Stock Comparison

Eos Energy Enterprises, QuantumScape and Ses Ai Prices as of Oct 27, 2026 Peers: Industry group
QS QuantumScape Corp
$4.18 -14.9% 1M -74.3% 1Y
Market cap
$2.58B
P/E
–
Revenue (TTM)
—
Div. yield
–
Energy Storage Industrials
3 wins
SES SES AI Corp
$0.80 +48.1% 1M -67.2% 1Y
Market cap
$265.70M
P/E
–
Revenue (TTM)
$23.46M
Div. yield
–
Energy Storage Industrials
3 wins

Head to Head

8 decided of 12

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

QuestionEOSEQSSESLeader
Larger companyMarket capitalisation $611.74M $2.58B $265.70M QS
Cheaper on earningsLower P/E, profitable companies only -0.5x -6.7x -3.9x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +533.9% — +44.8% EOSE
More profitableNet margin, trailing twelve months -546.5% — -289.6% SES
Better return on capitalReturn on invested capital — — -37.5% –
Less leveragedLower net debt / EBITDA -1.1x — 2.6x EOSE
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -88.2% -74.3% -67.2% SES
Better 5-year returnAnnualised price return, 5 years -30.4%/yr -30.3%/yr -39.8%/yr QS
Less volatileAnnualised volatility, 1 year 119.8% 70.3% 113.1% QS
Higher overall scoreMean of the five percentile scores vs peers 15/100 50/100 53/100 SES

Percentile Scorecard

EOSEQSSES

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

AxisEOSEQSSES
Valuation 7 #57 of 61 40 #37 of 61 17 #51 of 61
Growth 26 #43 of 58 44 #33 of 58 58 #25 of 58
Profitability 17 #46 of 55 35 #36 of 55 26 #41 of 55
Financial Health 27 #52 of 71 86 #11 of 71 90 #8 of 71
Shareholder Returns 0 #30 of 30 45 #17 of 30 76 #8 of 30
Overall 15 50 53
  • EOSE ranked among 71 companies in Clean Energy Equipment
  • QS ranked among 71 companies in Clean Energy Equipment
  • SES 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

PeriodEOSEQSSESSPY
1 month -42.4%-14.9%+48.1% -0.2%
3 months -46.0%-19.1%+50.9% +3.9%
6 months -73.3%-40.0%-23.1% +8.2%
Year to date -84.1%-59.9%-55.6% +12.9%
1 year -88.2%-74.3%-67.2% +12.3%
3 years +17.4%-20.8%-56.5% +87.4%
3 years, per year +5.5%-7.5%-24.3% +23.3%
5 years -83.6%-83.5%-92.1% +67.9%
5 years, per year -30.4%-30.3%-39.8% +10.9%

Risk

MeasureEOSEQSSESSPY
Volatility, 1Y 119.8%70.3%113.1% 12.7%
Downside volatility, 1Y 124.1%72.7%119.7% 12.7%
Beta vs S&P 500, 1Y 4.123.053.02 1.00
Return / volatility, 1Y -0.74-1.06-0.59 0.97
Max drawdown, 5Y -94.6%-91.4%-97.6% -25.4%
From 52-week high -90.5%-77.3%-68.9% -1.2%
52-week high $19.19$18.44$2.57 $779.14
52-week low $1.62$3.89$0.50 $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.

MultipleEOSEQSSES
P/E now vs peer median -0.5xmedian 27.2x -6.8xmedian 27.2x -4.0xmedian 27.2x
P/S now vs peer median 2.9xmedian 2.4x —median 2.4x 11.2xmedian 2.4x
EV/EBITDA now vs peer median -3.3xmedian 18.4x -4.9xmedian 18.4x -1.6xmedian 18.4x
P/FCF now vs peer median -1.5xmedian 28.6x -10.0xmedian 28.6x -4.3xmedian 28.6x
P/B now vs peer median -0.6xmedian 1.7x 2.6xmedian 1.7x 1.4xmedian 1.7x
PEG now vs peer median 0.08median 0.79 -0.53median 0.79 5.26median 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 monthsEOSEQSSES
Revenue $214.25M – $23.46M
Gross profit -$181.57M – $6.51M
Operating income -$305.61M -$418.18M -$73.40M
Net income -$528.67M -$383.62M -$67.96M
Free cash flow -$420.19M -$258.79M -$60.46M
R&D $35.73M $327.75M $49.84M
EPS (diluted) $-3.45 $-0.62 $-0.20
Cash & equivalents $305.49M $75.60M $64.14M
Total debt $617.12M – $3.91M
Shares (diluted) 339.80M 620.56M 336.32M
Enterprise value -$731.14M -$975.88M -$488.62M

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
MetricEOSEQSSES
P/E -0.5x -6.8x -4.0x
P/FCF -1.5x -10.0x -4.3x
P/Operating cash flow -2.0x -11.4x -4.5x
P/S 2.9x – 11.2x
P/B -0.6x 2.6x 1.4x
P/Tangible book -0.6x 2.6x 1.4x
EV/EBITDA -3.3x -4.9x -1.6x
EV/EBIT -3.0x -4.2x -1.4x
EV/Revenue 4.3x – 4.2x
EV/FCF -2.2x -6.9x -1.6x
EV/Operating cash flow -3.0x -7.8x -1.7x
PEG (3Y EPS CAGR) 0.08 -0.53 5.26

Growth

14 metrics
MetricEOSEQSSES
Revenue growth (1Y) 533.9% – 44.8%
Revenue CAGR (3Y) 129.1% – 18.8%
Gross profit growth (1Y) -74.8% – –
Gross profit CAGR (3Y) -21.5% – –
Operating income growth (1Y) -37.8% 14.8% 33.0%
Operating income CAGR (3Y) -18.2% 3.7% 3.7%
Net income growth (1Y) 35.4% 14.7% 31.9%
Net income CAGR (3Y) -16.9% 4.5% -3.0%
EPS growth (1Y) 19.6% 19.1% 32.8%
EPS CAGR (3Y) -6.9% 12.9% -0.8%
Operating cash flow growth (1Y) -69.0% 7.1% 15.0%
Operating cash flow CAGR (3Y) -18.4% 2.5% -5.8%
Free cash flow growth (1Y) -93.6% 7.6% 16.2%
Free cash flow CAGR (3Y) -27.2% 9.9% 0.6%

Profitability

14 metrics
MetricEOSEQSSES
Gross margin -84.7% – 27.8%
EBITDA margin -133.3% – -267.6%
Operating margin -142.6% – -312.8%
Pretax margin -246.7% – -289.2%
Net margin -546.5% – -289.6%
FCF margin -196.1% – -257.7%
Operating cash flow margin -143.7% – -248.6%
Return on equity – -37.5% -34.8%
Return on assets -62.0% -33.5% -27.8%
Return on invested capital – – -37.5%
Return on capital employed -44.0% -38.3% -33.9%
Asset turnover 0.3x – 0.1x
Cash conversion (OCF / net income) 0.6x 0.6x 0.9x
Stock comp / revenue 10.4% – 35.8%

Financial Health

11 metrics
MetricEOSEQSSES
Debt / assets 68.1% – 0.2%
Debt / equity -0.6x – 0.0x
Net debt / EBITDA -1.1x – 2.6x
Debt / FCF -1.5x – 0.0x
Liabilities / assets 213.7% 11.1% 20.8%
Equity / assets -113.7% 88.9% 79.2%
Interest coverage -7.9x -221.6x –
Current ratio 3.3x 16.1x 6.5x
Quick ratio 2.1x 15.8x 6.0x
Cash ratio 1.9x 15.8x 5.7x
Altman Z-score -3.77 – 0.69

Shareholder Returns

7 metrics
MetricEOSEQSSES
Dividend yield – – –
Net buyback yield -92.3% -0.5% -0.1%
Shareholder yield -92.3% -0.5% -0.1%
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.

ConsensusEOSEQSSES
EPS, next fiscal year $-1.29FY2026 $-0.61FY2026 $-0.17FY2026
Revenue, next fiscal year $317.26MFY2026 $0.00FY2026 $33.88MFY2026
Revenue growth, next FY +177.8%FY2026 – +61.3%FY2026
Revenue growth, the year after +87.9% – +104.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersEOSEQSSES
Held by institutions 67.1% 33.9% 24.3%
Institutions holding 350 451 133
Change in shares held, QoQ +11.3% -10.0% +22.8%
Institutions buying 214 258 74
Institutions selling 101 90 31
Buyers to sellers 2.12 2.87 2.39

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.

EOSEQSSES
EOSE 1.00 0.50 0.41
QS 0.50 1.00 0.54
SES 0.41 0.54 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, EOSE, QS and SES?

QuantumScape (QS) is the largest by market capitalisation: Eos Energy Enterprises (EOSE) $611.74M, QuantumScape (QS) $2.58B, Ses Ai (SES) $265.70M.

Which company is growing faster?

Eos Energy Enterprises (EOSE) grew revenue fastest over the trailing twelve months: Eos Energy Enterprises (EOSE) +533.9%, Ses Ai (SES) +44.8%.

Which company is more profitable?

Ses Ai (SES) has the highest net margin (Eos Energy Enterprises (EOSE) -546.5%, Ses Ai (SES) -289.6%).

Which stock has performed better?

Over the past year Ses Ai (SES) returned the most: Eos Energy Enterprises (EOSE) -88.2%, QuantumScape (QS) -74.3%, Ses Ai (SES) -67.2%. Over five years, QuantumScape (QS) compounded fastest (Eos Energy Enterprises (EOSE) -30.4%/yr, QuantumScape (QS) -30.3%/yr, Ses Ai (SES) -39.8%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, QuantumScape (QS) has been the steadiest (Eos Energy Enterprises (EOSE) 119.8%, QuantumScape (QS) 70.3%, Ses Ai (SES) 113.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, EOSE, QS and SES?

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