Full-Stack Quantum Computing
Rigetti designs, fabricates, and deploys its own superconducting quantum processors. The company operates a dedicated chip fabrication facility, Fab-1, which gives it control over the entire manufacturing process rather than relying on third-party foundries. This vertical integration is unusual in quantum computing, where most competitors outsource at least some component manufacturing. The result is faster iteration cycles: Rigetti can design a new chip, fabricate it, test it, and deploy it to customers within months.
The current production system is Cepheus-1-36Q, a 36-qubit processor built from four 9-qubit chips connected through Rigetti's multi-chip architecture. This modular approach is central to the company's scaling strategy. Rather than building ever-larger single chips (which become exponentially harder to manufacture with high fidelity), Rigetti connects smaller, high-quality chips together. The 36-qubit system achieved 99.5% median two-qubit gate fidelity, representing a 2x reduction in error rates compared to prior generations.
The Hardware Roadmap
CEO Subodh Kulkarni has published specific performance targets for the next three years. By end of 2025, Rigetti plans to deploy a 100+ qubit system with 99.5% gate fidelity. By late 2026, the target is 150+ qubits with 99.7% fidelity. By late 2027, the company aims for 1,000+ qubits with 99.8% fidelity. Each step increases both the number of qubits and the accuracy of operations, which together determine the practical computational power of the system.
The 1,000-qubit milestone matters because it approaches the threshold where quantum computers could solve certain problems faster than classical supercomputers. Optimization, molecular simulation, cryptography, and materials science are the most frequently cited applications. Rigetti's multi-chip architecture provides a plausible scaling path to these numbers. Whether 99.8% fidelity at 1,000 qubits will be sufficient for commercial quantum advantage remains an open scientific question.
Financial Performance
- •Q3 2025 Revenue: $1.9 million, down from $2.4 million in Q3 2024; revenue comes from Quantum Cloud Services and government/research contracts
- •Operating Loss: $20.5 million in Q3 2025; reflects R&D spending on next-generation processors and Fab-1 operations
- •GAAP Net Loss: $201 million, inflated by non-cash accounting adjustments rather than operational spending
- •Cash Position: $558.9 million at quarter end, with an additional $46.5 million from subsequent warrant exercises, totaling ~$600 million
- •Market Capitalization: ~$13 billion as of late 2025; stock price ~$40 after 162% gain in 2025
- •Burn Rate: Operating losses of ~$20M/quarter imply multi-year runway from current cash reserves
Growth Catalysts
- •Quanta Computer Partnership: $100M+ commitment over five years from the world's largest ODM; validates Rigetti's hardware approach and provides engineering resources for scaling
- •NVIDIA NVQLink Integration: Supporting NVIDIA's open platform for connecting quantum processors with AI supercomputers; positions Rigetti within the hybrid quantum-classical computing ecosystem
- •Multi-Chip Scaling: Modular architecture enables qubit count increases without the yield problems of monolithic chips; 1,000+ qubits by 2027 is technically credible
- •Pulse-Level Access: Offering developers direct control over qubit manipulation at the pulse level, beyond standard gate-level commands; appeals to advanced researchers and enterprise customers
- •Government Contracts: Quantum computing is a national security priority; U.S. government funding for quantum research and development continues to increase
Risks and Challenges
- •Pre-Revenue Reality: $1.9 million quarterly revenue against a $13 billion market cap; the stock price reflects expectations years into the future, creating substantial downside if milestones are missed
- •Technology Risk: Superconducting qubits require near-absolute-zero temperatures and are prone to decoherence; competing approaches (trapped ions, photonics, topological) could prove superior
- •Competition: IBM, Google, IonQ, and Quantinuum are better-funded; IonQ alone holds $1.6 billion in cash, nearly triple Rigetti's reserves
- •Quantum Winter Scenario: If practical quantum advantage takes longer than expected, investor enthusiasm could collapse, compressing valuations across the sector
- •Dilution Risk: The company has raised capital through warrant exercises and ATM offerings; continued dilution would erode per-share value if revenue does not materialize
Competitive Landscape
The quantum computing industry has four widely recognized leaders: IBM, Quantinuum (Honeywell), IonQ, and Rigetti. IBM leads in qubit count with its Nighthawk processor targeting 360 qubits in 2026, but uses a different superconducting architecture. IonQ uses trapped-ion technology, which offers higher gate fidelities at smaller qubit counts. Quantinuum, backed by Honeywell's resources, also uses trapped ions and has demonstrated some of the highest-fidelity quantum operations to date.
Rigetti's competitive position rests on three factors: its in-house fabrication capability (Fab-1), its multi-chip architecture for scaling, and its Quantum Cloud Services platform for commercial access. The Quanta Computer partnership adds manufacturing scale that smaller quantum startups cannot match. However, Rigetti operates with less cash than IonQ ($600M vs. $1.6B) and less institutional backing than Quantinuum (Honeywell) or IBM. Execution on the hardware roadmap is the determining factor.
Who Is This Stock Suitable For?
Perfect For
- ✓Long-term technology investors who believe quantum computing will reach commercial viability within the next 3-5 years
- ✓Those who prefer a pure-play quantum investment over conglomerates like IBM where quantum is a small part of overall revenue
- ✓Investors willing to accept near-zero current revenue for exposure to a transformative computing paradigm
- ✓Speculators who understand the risk profile and want to capitalize on quantum computing sentiment cycles
Less Suitable For
- ✗Income investors (no dividend, no buyback, all capital reinvested into R&D)
- ✗Value investors (the $13B market cap on $7.6M annual revenue makes traditional valuation frameworks irrelevant)
- ✗Those with short time horizons (quantum commercial viability may take 3-7+ years)
- ✗Risk-averse investors uncomfortable with the possibility of significant share price declines if sentiment shifts
Investment Thesis
Rigetti Computing is one of the few publicly traded pure-play quantum computing companies. CEO Subodh Kulkarni has published a hardware roadmap with specific qubit and fidelity targets through 2027, and the multi-chip architecture provides a credible path to 1,000+ qubits. The Quanta Computer partnership and NVIDIA NVQLink integration demonstrate that major technology companies see value in Rigetti's approach. With $600 million in cash, the company has runway to reach its near-term milestones without additional fundraising.
The challenge is valuation. At $13 billion market cap on $7.6 million in annual revenue, the stock price assumes quantum computing will become commercially significant and that Rigetti will capture meaningful market share. If the 1,000-qubit milestone slips, or if trapped-ion systems from IonQ and Quantinuum prove more practical, the investment thesis weakens. Rigetti is a conviction-level position for investors who have studied the quantum computing landscape and believe superconducting multi-chip architectures will win the platform race. It is not a stock to hold casually.