Quantum Stock Tracker: IonQ, Rigetti, D-Wave Report Q3 Earnings

Quantum computing firms presented a mixed Q3 earnings picture, with IonQ (IONQ) significantly exceeding expectations by beating EPS and revenue estimates, reporting 221.5% year-over-year revenue growth, and raising its 2025 revenue guidance to $106M-$110M. Conversely, Rigetti (RGTI) beat EPS but missed revenue, while D-Wave Quantum (QBTS) missed EPS but doubled revenue year-over-year; both companies, along with Quantum Computing Inc. (QUBT) which is yet to report, have experienced notable stock declines of 9% to 35% over the past month, highlighting divergent performance and market sentiment within the nascent sector.

Analysis

The Q3 earnings season for quantum computing firms presented a mixed financial picture, with significant divergence in performance. IonQ (IONQ) notably outperformed, reporting adjusted losses of $0.17 per share against an estimated $0.44 loss and revenue of $39.9 million, exceeding estimates by 47.75% and marking a 221.5% year-over-year increase. In contrast, Rigetti Computing (RGTI) beat EPS estimates with a $0.03 loss but missed revenue at $1.94 million, a decline from the prior year.

D-Wave Quantum (QBTS) reported a wider-than-expected loss of $0.41 per share but achieved 100% year-over-year revenue growth to $3.73 million, with bookings up 80% sequentially. Quantum Computing (QUBT) is yet to report, with analysts expecting losses of $0.06 per share and revenue of $116,670. Despite varied results, Rigetti's stock fell 30% and QUBT's plunged over 35% in the past month, while QBTS saw a more modest decline of over 9%.

IonQ demonstrated strong forward momentum by raising its full-year 2025 revenue outlook to $106-$110 million, significantly above prior guidance and analyst estimates, reflecting robust demand. Rigetti, while struggling with current revenue, provided an ambitious technology roadmap, targeting a 1,000+ qubit system with 99.8% fidelity by late 2027. These long-term technology goals highlight the developmental nature of the quantum computing sector.

Key Decisions for Investors

• Monitor IonQ (IONQ) for sustained revenue growth and profitability given its strong Q3 beat and raised 2025 guidance, indicating potential market leadership.
• Exercise caution with Rigetti (RGTI) and D-Wave Quantum (QBTS), assessing their ability to improve profitability and market sentiment despite some revenue growth or technological progress.
• Recognize the inherent volatility and long-term developmental nature of the quantum computing sector, focusing on technological milestones and commercialization timelines for all investments.