Head to head · SEC data as of September 11, 2026
IonQ
67
Quality score · out of 100
Rigetti
50
Quality score · out of 100
IonQ comes in ahead: a quality score of 67 versus 50 for Rigetti. IonQ wins on revenue growth (150% vs 0.5%). Rigetti answers with less debt (0.32× vs 1.45×).
| Metric | IonQ | Rigetti |
|---|---|---|
| Quality score (0-100) | 67 | 50 |
| Net margin | — | — |
| Gross margin | — | — |
| ROE | -41% | -44.4% |
| Net debt/EBITDA | 1.45× | 0.32× |
| FCF margin | — | — |
| Revenue growth (annualized) | 150% | 0.5% |
| Earnings growth (annualized) | — | — |
TTM metrics with official SEC data, refreshed daily. Bold green marks the winner of each metric. A dash means the metric doesn't apply or isn't reliable.
IonQ. IonQ develops trapped-ion quantum computers, accessible through the major clouds. It's a very long-term bet: commercially useful quantum computing is still years away, and today's revenue is tiny relative to its valuation.
Rigetti. Rigetti builds superconducting quantum computers and offers them via the cloud. Like the whole sector, it's pre-commercial: very small revenue (mostly government research contracts) and a stock that trades on expectations, not results.
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What this comparison doesn't tell you
The score measures business quality, not whether the stock is cheap or expensive: the better company can be the worse investment if you overpay. For the valuation verdict, enter each one's current price in the analyzer:
Who has the stronger fundamentals today, IonQ or Rigetti?
By the StockSemáforo model (profitability, growth and financial strength, built on official SEC data), IonQ scores higher: 67 versus 50 out of 100. The score is recomputed nightly with the latest filings.
Does that make IonQ the better investment?
No. The score measures business quality, not valuation: an excellent company can trade at an excessive price and be a poor investment at that price. To find out whether it's cheap or expensive, enter its current quote in the StockSemáforo analyzer.
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Who's behind the methodology and model · how the score is computed
Data: official SEC filings (EDGAR) · Recomputed on September 11, 2026
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