QNC vs RGTI vs ARQQ Stock Comparison

Quantum eMotion, Rigetti Computing and Arqit Quantum Prices as of Oct 29, 2026 Peers: Industry group
QNC Quantum eMotion Corp
$1.11 -36.6% 1M
Market cap
$182.97M
P/E
422.5x
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win
RGTI Rigetti Computing, Inc.
$12.06 -23.4% 1M -69.4% 1Y
Market cap
$3.55B
P/E
–
Revenue (TTM)
$13.35M
Div. yield
–
Quantum Computing Technology
2 wins
ARQQ Arqit Quantum Inc.
$17.60 -27.0% 1M -61.2% 1Y
Market cap
$198.14M
P/E
–
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win

Head to Head

4 decided of 12

Rigetti Computing leads on 2 of the 12 questions below (Rigetti Computing 2, Arqit Quantum 1, Quantum eMotion 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionQNCRGTIARQQLeader
Larger companyMarket capitalisation $182.97M $3.55B $198.14M RGTI
Cheaper on earningsLower P/E, profitable companies only 422.5x -14.9x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months — +68.5% — –
More profitableNet margin, trailing twelve months — -1,787.4% — –
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months — -69.4% -61.2% ARQQ
Better 5-year returnAnnualised price return, 5 years — +2.8%/yr -49.7%/yr RGTI
Less volatileAnnualised volatility, 1 year 93.6% 93.6% 110.8% QNC
Higher overall scoreMean of the five percentile scores vs peers — 32/100 — –

Percentile Scorecard

QNCRGTIARQQ

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

AxisQNCRGTIARQQ
Valuation 11 #110 of 124 14 #107 of 124 –
Growth – 20 #91 of 113 –
Profitability – 9 #99 of 109 –
Financial Health 94 #8 of 127 89 #15 of 127 84 #21 of 127
Shareholder Returns – 27 #46 of 63 –
Overall – 32 –
  • QNC ranked among 137 companies in Infrastructure Software
  • RGTI ranked among 137 companies in Infrastructure Software
  • ARQQ ranked among 137 companies in Infrastructure Software

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodQNCRGTIARQQSPY
1 month -36.6%-23.4%-27.0% +0.7%
3 months -47.6%-18.8%-0.6% +3.7%
6 months -60.8%-30.9%+22.6% +7.1%
Year to date —-45.6%-19.6% +12.8%
1 year —-69.4%-61.2% +11.9%
3 years —+1,016.7%+73.0% +85.2%
3 years, per year —+123.6%+20.1% +22.8%
5 years —+14.6%-96.8% +67.6%
5 years, per year —+2.8%-49.7% +10.9%

Risk

MeasureQNCRGTIARQQSPY
Volatility, 1Y 93.6%93.6%110.8% 12.7%
Downside volatility, 1Y 95.6%89.6%102.1% 12.6%
Beta vs S&P 500, 1Y 2.933.904.09 1.00
Return / volatility, 1Y —-0.74-0.55 0.94
Max drawdown, 5Y -72.0%-96.9%-99.6% -25.4%
From 52-week high -70.7%-72.8%-61.2% -1.2%
52-week high $3.79$44.27$45.37 $779.14
52-week low $1.06$11.44$11.78 $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.

MultipleQNCRGTIARQQ
P/E now vs peer median 478.5xmedian 39.0x -16.8xmedian 39.0x —median 39.0x
P/S now vs peer median 226,929xmedian 4.6x 301.4xmedian 4.6x —median 4.6x
EV/EBITDA now vs peer median —median 32.7x -41.6xmedian 32.7x —median 32.7x
P/FCF now vs peer median 13,821xmedian 27.4x -45.9xmedian 27.4x —median 27.4x
P/B now vs peer median 9.0xmedian 3.2x 7.5xmedian 3.2x 9.4xmedian 3.2x
PEG now vs peer median —median 1.23 4.26median 1.23 —median 1.23

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 monthsQNCRGTIARQQ
Revenue – $13.35M –
Gross profit – $4.62M –
Operating income – -$97.16M –
Net income -$9.47M -$238.67M –
Free cash flow – -$87.58M –
R&D $1.04M $73.05M –
EPS (diluted) $0.00 $-0.72 –
Cash & equivalents $222.23K $27.76M $28.86M
Shares (diluted) 186.70M 333.22M 13.79M
Enterprise value $96.04M $1.84B $88.81M

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
MetricQNCRGTIARQQ
P/E 478.5x -16.8x –
P/FCF 13,821x -45.9x –
P/Operating cash flow – -66.3x –
P/S 226,929x 301.4x –
P/B 9.0x 7.5x 9.4x
P/Tangible book 12.2x 7.5x 10.2x
EV/EBITDA – -41.6x –
EV/EBIT – -37.4x –
EV/Revenue – 271.9x –
EV/FCF – -41.5x –
EV/Operating cash flow – -59.8x –
PEG (3Y EPS CAGR) – 4.26 –

Growth

14 metrics
MetricQNCRGTIARQQ
Revenue growth (1Y) – 68.5% –
Revenue CAGR (3Y) – -2.5% –
Gross profit growth (1Y) – 43.8% –
Gross profit CAGR (3Y) – -26.6% –
Operating income growth (1Y) – -25.6% –
Operating income CAGR (3Y) – -0.3% –
Net income growth (1Y) – -44.8% –
Net income CAGR (3Y) – -42.8% –
EPS growth (1Y) – -29.6% –
EPS CAGR (3Y) – -4.0% –
Operating cash flow growth (1Y) – -12.9% –
Operating cash flow CAGR (3Y) – 0.3% –
Free cash flow growth (1Y) – -33.6% –
Free cash flow CAGR (3Y) – -3.5% –

Profitability

14 metrics
MetricQNCRGTIARQQ
Gross margin – 34.6% –
EBITDA margin – -653.3% –
Operating margin – -727.6% –
Pretax margin – -1,787% –
Net margin – -1,787% –
FCF margin – -655.9% –
Operating cash flow margin – -454.7% –
Return on equity – -42.6% –
Return on assets – -36.7% –
Return on invested capital – – –
Return on capital employed – -17.8% –
Asset turnover – 0.0x –
Cash conversion (OCF / net income) – 0.3x –
Stock comp / revenue – 170.7% –

Financial Health

11 metrics
MetricQNCRGTIARQQ
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 21.0% 17.1% 21.3%
Equity / assets 79.0% 82.9% 78.7%
Interest coverage – – –
Current ratio 33.3x 3.9x 4.9x
Quick ratio 35.0x 3.8x 4.9x
Cash ratio 35.0x 3.7x 4.4x
Altman Z-score – 20.18 –

Shareholder Returns

7 metrics
MetricQNCRGTIARQQ
Dividend yield – – –
Net buyback yield – -1.3% –
Shareholder yield – -1.3% –
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.

ConsensusQNCRGTIARQQ
EPS, next fiscal year – $-0.20FY2026 $-1.46FY2026
Revenue, next fiscal year – $22.61MFY2026 $2.41MFY2026
Revenue growth, next FY – +218.9%FY2026 +355.4%FY2026
Revenue growth, the year after – +115.1% +208.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersQNCRGTIARQQ
Held by institutions 31.6% 52.1% 89.2%
Institutions holding 38 476 66
Change in shares held, QoQ +1,128.1% +0.0% +205.7%
Institutions buying 22 307 42
Institutions selling 7 87 11
Buyers to sellers 3.14 3.53 3.82

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.

QNCRGTIARQQ
QNC 1.00 0.45 0.22
RGTI 0.45 1.00 0.67
ARQQ 0.22 0.67 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, QNC, RGTI and ARQQ?

Rigetti Computing (RGTI) is the largest by market capitalisation: Quantum eMotion (QNC) $182.97M, Rigetti Computing (RGTI) $3.55B, Arqit Quantum (ARQQ) $198.14M.

Which stock has performed better?

Over the past year Arqit Quantum (ARQQ) returned the most: Rigetti Computing (RGTI) -69.4%, Arqit Quantum (ARQQ) -61.2%. Over five years, Rigetti Computing (RGTI) compounded fastest (Rigetti Computing (RGTI) +2.8%/yr, Arqit Quantum (ARQQ) -49.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Quantum eMotion (QNC) has been the steadiest (Quantum eMotion (QNC) 93.6%, Rigetti Computing (RGTI) 93.6%, Arqit Quantum (ARQQ) 110.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, QNC, RGTI and ARQQ?

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