IonQ's financial surge and expansion
IonQ’s FY2025 revenue rose sharply to nearly $130 million, marking a 201.9% increase from the $43.1 million it earned in FY2024. This rapid growth reflects the company’s aggressive expansion and growing traction in the quantum computing market. To further support its infrastructure, IonQ completed the acquisition of SkyWater Technology, a move aimed at building a domestic semiconductor foundry that will support its quantum systems. However, despite the impressive revenue gains, the company reported a significant net loss of $510.4 million in FY2025, highlighting the ongoing challenges of balancing growth with profitability.
Financial performance reveals the pressure IonQ faces in managing expenses. The net margin for the fiscal year was -392.6%, meaning for every dollar in revenue, the company lost much more in operating costs. At the end of December 2025, IonQ’s balance sheet showed no debt, with a debt-to-equity ratio of 0.0x. However, liquidity was strong, as the current ratio stood at 15.5x, indicating the company held more than enough assets to cover short-term obligations. Still, free cash flow was negative at $299.6 million, demonstrating the high capital demands of scaling quantum technology and integrating its SkyWater acquisition.
Rigetti's challenges and limited revenue
Rigetti Computing had a difficult FY2025, as its revenue dropped to $7.1 million, a 34.3% decline from the $10.8 million it generated in the previous fiscal year. This decrease suggests challenges in capturing market share and maintaining consistent revenue streams. The company is operating at a severe loss, with a net margin of -3,050.4%, showing that operating expenses far outpaced the minimal revenue. For the fiscal year, Rigetti reported a net loss of $216.2 million, emphasizing the high costs of research, development, and operations in the quantum computing sector.
Rigetti’s financial health shows it is not in debt, with a debt-to-equity ratio of 0.0x. Its balance sheet, as of December 2025, revealed a current ratio of 37.4x, meaning the company had significant short-term assets to cover liabilities. However, the company’s free cash flow was negative at $77.2 million, indicating ongoing cash flow strain. In July 2026, Rigetti announced an expansion of its partnership to build TangleLab, a hybrid quantum-classical testbed designed to enable specialized research and development. This move highlights Rigetti’s commitment to advancing its modular architecture and hybrid system designs.
Risk and valuation comparison
Both companies operate in a high-risk environment, but their unique challenges differ. IonQ faces integration risks following its $1.8 billion acquisition of SkyWater Technology. If this strategic move fails to deliver expected benefits, it could significantly impact the company's future performance. IonQ also competes with major players like Microsoft and Alphabet, which have vast resources and global reach in the quantum computing space. The pressure to maintain innovation and scale its trapped-ion technology will remain a key challenge.
Rigetti, on the other hand, grapples with technical risks as it scales its modular quantum architecture and attempts to improve gate fidelities to achieve quantum advantage. As a capital-intensive business, Rigetti may need further funding to continue operations and avoid the risk of downsizing or insolvency. The company also depends on Amazon’s cloud infrastructure, which introduces operational and strategic dependencies. Regulatory challenges, including evolving international export controls and scrutiny over financial controls, pose additional hurdles.
Valuation metrics for both companies highlight their high-cost nature and speculative potential. IonQ appears to be relatively cheaper when compared on a sales basis, but both firms lack a Forward P/E ratio because of negative earnings estimates. These figures are sourced from Financial Modeling Prep (FMP), and may differ when cross-referenced with other financial data platforms. Such valuations reflect market sentiment toward quantum computing's long-term potential, despite the current financial struggles of these early-stage innovators.
Choosing the better buy for 2026
When considering whether IonQ or Rigetti Computing presents a more compelling opportunity in 2026, the choice is not straightforward, but certain factors tip the scale. Both companies are pioneering breakthroughs in quantum computing, and at this stage, investing in either represents speculative bets on the future of computing. However, IonQ’s stronger commercial traction and recent revenue surge give it an edge over Rigetti, whose revenue has declined and remains relatively low compared to its peers.
Rigetti is making notable strides, including securing a CHIPS Act funding letter of intent and achieving a hardware milestone with its 108-qubit system. These developments show promise and could drive future growth. However, IonQ’s ability to nearly triple its revenue in the most recent fiscal year and its more robust infrastructure expansion may offer more stability and long-term potential for investors.
Ultimately, the decision hinges on risk tolerance and investment timeline. IonQ’s higher revenue and aggressive infrastructure investments may position it better for sustained growth, but both companies remain in early stages of development with no guaranteed outcomes. Rigetti’s innovative approach and hybrid quantum-classical strategy could still lead to significant advancements, but investors must weigh the current financial risks and competitive landscape carefully.