Investors hunting for a way into quantum computing keep circling back to the same matchup: IonQ versus Rigetti. A new analysis from The Motley Fool, published June 19, 2026, and carried by outlets including Yahoo Finance, weighs the two companies head-to-head and asks which is the better stock to buy.
The clearest gap is in the financials. According to The Motley Fool, IonQ's first-quarter revenue jumped 755% year over year to nearly $65 million. The piece notes that some of that surge came from acquisitions rather than pure organic growth, so the headline number deserves a closer look.
Still, the takeaway from the comparison is that IonQ's product is drawing significantly more attention than Rigetti's. That kind of momentum matters in an industry where most companies are still pre-profit and racing to prove their technology can scale.
Quantum computing remains an early, speculative corner of the market. Both IonQ and Rigetti are pure-play bets on a technology that could eventually reshape fields from drug discovery to cryptography — but that is still years from mass commercial use. For now, revenue growth and market interest are among the few concrete yardsticks investors have.
Why it matters: as everyday investors look for exposure to the next big computing shift, comparisons like this one shape where speculative money flows long before the technology itself matures.