IONQ vs. QUBT: IonQ vs. Quantum Computing Stock Comparison
How do IonQ (IONQ) and Quantum Computing (QUBT) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
IonQ (IONQ) and Quantum Computing (QUBT) are both classified in the Technology Hardware, Storage & Peripherals sub-industry within the broader Technology Hardware, Storage & Peripherals industry, placing them in the closest GICS peer bucket.
IonQ (IONQ) is a large-cap at 15.16 billion USD, while Quantum Computing (QUBT) is small-cap at 1.43 billion USD — a noticeable scale difference that may affect liquidity, analyst coverage, and risk profile.
| Profile Item | IONQ | QUBT |
|---|---|---|
| Name | IonQ, Inc. | Quantum Computing Inc. |
| Country/Region | United States | United States |
| GICS Sector | Information Technology | Information Technology |
| GICS Industry Group | Technology Hardware & Equipment | Technology Hardware & Equipment |
| GICS Industry | Technology Hardware, Storage & Peripherals | Technology Hardware, Storage & Peripherals |
| GICS Sub-Industry | Technology Hardware, Storage & Peripherals | Technology Hardware, Storage & Peripherals |
| Market Capitalization | 15.16 billion USD | 1.43 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | Nasdaq |
| Listing Date | January 4, 2021 | February 1, 2007 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Total Return (1Y) | -40.10% | -47.32% |
| Total Return (3Y, Annualized) | 46.76% | 108.36% |
| Total Return (5Y, Annualized) | 9.52% | -2.06% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Volatility (1Y, Annualized) | 94.72% | 89.55% |
| Beta (5Y) | 3.33 | 3.90 |
| Max Drawdown (5Y) | -90.00% | -94.40% |
| Avg. Volume (3M) | 22.02M | 7.19M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Sharpe Ratio (1Y) | -0.47 | -0.58 |
| Sortino Ratio (1Y) | -0.74 | -0.87 |
Profitability
ROE (TTM)
Quantum Computing (QUBT) reports a negative ROE of -1.51%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile IonQ (IONQ) reports 6.90%, ranking against industry peers normally.
IONQ
Technology Hardware & Equipment industry group
6.90%
- Max
- 42.47%
- Q3
- 19.13%
- Median
- 11.00%
- IONQ
- 6.90%
- Q1
- 1.63%
- Min
- -20.62%
QUBT
Technology Hardware & Equipment industry group
-1.51%
- Max
- 42.47%
- Q3
- 19.13%
- Median
- 11.00%
- Q1
- 1.63%
- QUBT
- -1.51%
- Min
- -20.62%
Net Margin (TTM)
Quantum Computing (QUBT) reports a negative net margin of -152.45%, usually indicating a net loss over the period. Meanwhile IonQ (IONQ) reports 67.09%, ranking against industry peers normally.
IONQ
Technology Hardware & Equipment industry group
67.09%
- IONQ
- 67.09%
- Max
- 27.60%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
QUBT
Technology Hardware & Equipment industry group
-152.45%
- Max
- 27.60%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
- QUBT
- -152.45%
Operating Margin (TTM)
Both IonQ (IONQ) at -249.14% and Quantum Computing (QUBT) at -281.27% report negative operating margin values, usually indicating operating losses over the period.
IONQ
Technology Hardware & Equipment industry group
-249.14%
- Max
- 36.27%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
- IONQ
- -249.14%
QUBT
Technology Hardware & Equipment industry group
-281.27%
- Max
- 36.27%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
- QUBT
- -281.27%
Profitability Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| ROE (TTM) | 6.90% | -1.51% |
| ROA (TTM) | -12.60% | -4.16% |
| Net Margin (TTM) | 67.09% | -152.45% |
| Operating Margin (TTM) | -249.14% | -281.27% |
| Gross Margin (TTM) | 24.67% | -18.92% |
Growth
Revenue Growth
Both IonQ (IONQ) at 201.85% and Quantum Computing (QUBT) at 82.84% are expanding revenue faster than their entire industry benchmark ranges for revenue growth — exceptional top-line momentum on both sides, though growth that far above the peer range is worth checking for one-off boosts such as acquisitions.
EPS Growth
Neither IonQ (IONQ) nor Quantum Computing (QUBT) reports a EPS growth value for this period, so a direct comparison isn't possible.
Growth Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Revenue Growth (YoY) | 201.85% | 82.84% |
| Revenue Growth (3Y CAGR) | 126.89% | 71.17% |
| EPS Growth (YoY) | -- | -- |
| EPS Growth (3Y CAGR) | -- | -- |
Financial Strength
Current Ratio (MRQ)
Both IonQ (IONQ) at 4.24 and Quantum Computing (QUBT) at 53.14 post current ratio above their industries’ typical mid-ranges — short-term liquidity appears comfortable, though unusually high readings can point to idle current assets.
IONQ
Technology Hardware & Equipment industry group
4.24
- Max
- 5.34
- IONQ
- 4.24
- Q3
- 3.02
- Median
- 1.95
- Q1
- 1.32
- Min
- 0.17
QUBT
Technology Hardware & Equipment industry group
53.14
- QUBT
- 53.14
- Max
- 5.34
- Q3
- 3.02
- Median
- 1.95
- Q1
- 1.32
- Min
- 0.17
Debt / Equity (MRQ)
Both IonQ (IONQ) at 0.01 and Quantum Computing (QUBT) at 0.01 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.
IONQ
Technology Hardware & Equipment industry group
0.01
- Max
- 1.76
- Q3
- 0.78
- Median
- 0.24
- Q1
- 0.04
- IONQ
- 0.01
- Min
- 0.01
QUBT
Technology Hardware & Equipment industry group
0.01
- Max
- 1.76
- Q3
- 0.78
- Median
- 0.24
- Q1
- 0.04
- QUBT
- 0.01
- Min
- 0.01
Financial Strength Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Current Ratio (MRQ) | 4.24 | 53.14 |
| Debt / Equity (MRQ) | 0.01 | 0.01 |
| Net Debt / EBITDA | -- | -- |
Dividends
Dividend Yield (TTM)
Neither IonQ (IONQ) nor Quantum Computing (QUBT) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
IONQ
Technology Hardware & Equipment industry group
0.00%
- Max
- 0.73%
- Q3
- 0.31%
- IONQ
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
QUBT
Technology Hardware & Equipment industry group
0.00%
- Max
- 0.73%
- Q3
- 0.31%
- QUBT
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Neither IonQ (IONQ) nor Quantum Computing (QUBT) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
IONQ
Technology Hardware & Equipment industry group
0.00%
- Max
- 32.27%
- Q3
- 14.48%
- IONQ
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
QUBT
Technology Hardware & Equipment industry group
0.00%
- Max
- 32.27%
- Q3
- 14.48%
- QUBT
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| Dividend Yield (TTM) | 0.00% | 0.00% |
| Dividend Payout Ratio (TTM) | 0.00% | 0.00% |
Valuation
P/E Ratio (TTM)
An earnings multiple is available for just one side: IonQ (IONQ) trades at 18.86 times trailing earnings, ranked against its peers, while Quantum Computing (QUBT) has no P/E ratio this period.
IONQ
Technology Hardware & Equipment industry group
18.86
- Max
- 69.48
- Q3
- 41.02
- Median
- 26.39
- Q1
- 19.36
- IONQ
- 18.86
- Min
- 6.07
QUBT
Technology Hardware & Equipment industry group
--
- Max
- 69.48
- Q3
- 41.02
- Median
- 26.39
- Q1
- 19.36
- Min
- 6.07
- QUBT
- --
P/S Ratio (TTM)
Investors are paying well above the peer range per dollar of sales for both IonQ (IONQ) at 39.84 and Quantum Computing (QUBT) at 145.84 — each P/S ratio clears its industry’s benchmark range.
IONQ
Technology Hardware & Equipment industry group
39.84
- IONQ
- 39.84
- Max
- 11.30
- Q3
- 5.82
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
QUBT
Technology Hardware & Equipment industry group
145.84
- QUBT
- 145.84
- Max
- 11.30
- Q3
- 5.82
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
P/B Ratio (MRQ)
Quantum Computing (QUBT) at 0.90 sits in the lower P/B ratio quartile against book while IonQ (IONQ) at 2.67 is valued near its industry’s middle — QUBT is cheaper on assets, though weigh it against ROE and asset quality.
IONQ
Technology Hardware & Equipment industry group
2.67
- Max
- 10.75
- Q3
- 5.52
- Median
- 3.17
- IONQ
- 2.67
- Q1
- 1.79
- Min
- 0.33
QUBT
Technology Hardware & Equipment industry group
0.90
- Max
- 10.75
- Q3
- 5.52
- Median
- 3.17
- Q1
- 1.79
- QUBT
- 0.90
- Min
- 0.33
Valuation Metrics
| Metric | IONQ | QUBT |
|---|---|---|
| P/E Ratio (TTM) | 18.86 | -- |
| P/S Ratio (TTM) | 39.84 | 145.84 |
| P/B Ratio (MRQ) | 2.67 | 0.90 |
| Free Cash Flow Yield (TTM) | -2.81% | -3.76% |