IonQ vs. Rigetti: Which Quantum Computing Stock Is a Better Buy in 2026?

The quantum computing contention is accelerating arsenic firms determination from theoretical models to functional hardware. Is IonQ (NYSE:IONQ) oregon Rigetti Computing (NASDAQ:RGTI) the amended bargain for your portfolio successful 2026?

Both companies correspond a high-stakes stake connected the aboriginal of high-performance computing. IonQ focuses connected trapped-ion exertion to physique its systems, portion Rigetti specializes successful superconducting processors. This examination evaluates their fiscal health, strategical growth, and unsocial risks to assistance you determine which banal is simply a much compelling accidental today.

The lawsuit for IonQ

IonQ develops trapped-ion quantum computers and offers unreality entree to government, enterprise, and probe customers. The institution precocious completed the acquisition of SkyWater Technology, establishing a home semiconductor foundry to bolster its infrastructure. Customer attraction similar this adds a furniture of hazard to the business, arsenic gross heavy depends connected a fewer authorities entities and unreality partnerships.

In FY 2025, gross reached astir $130.0 million, which was a 201.9% summation from the astir $43.1 cardinal reported successful FY 2024. Despite this top-line surge, the institution reported a nett nonaccomplishment of astir $510.4 million. The nett borderline was astir -392.6%, which measures what percent of each dollar earned arsenic gross remains aft accounting for each expenses.

As of its December 2025 equilibrium sheet, the debt-to-equity ratio was 0.0x, meaning full indebtedness is zero comparative to shareholder equity. The existent ratio, which measures the quality to screen short-term liabilities with short-term assets, was astir 15.5x. Free currency travel was antagonistic $299.6 million, representing currency from operations minus superior expenditures for the fiscal year.

The lawsuit for Rigetti Computing

Rigetti Computing builds superconducting quantum processors and provides unreality entree done its proprietary platform. It operates among tech stocks and serves commercialized clients similar Amazon and Hewlett Packard Enterprise. In July 2026, it expanded its collaboration to physique TangleLab, a hybrid quantum-classical testbed for specialized research.

In FY 2025, gross reached astir $7.1 million, which was a 34.3% alteration from the astir $10.8 cardinal generated successful FY 2024. The institution recorded a nett nonaccomplishment of astir $216.2 cardinal for the period. This resulted successful a nett borderline of astir -3,050.4%, illustrating that operating expenses presently acold transcend its gross base.

As of its December 2025 equilibrium sheet, the existent ratio was astir 37.4x, indicating the institution has astir $37.40 successful existent assets for each dollar of existent liabilities. The debt-to-equity ratio was 0.0x, meaning the institution carries nary indebtedness comparative to its equity. Free currency travel was antagonistic $77.2 million, which is calculated by subtracting superior expenditures from operating currency flow.