IonQ vs. Rigetti: Which Quantum Computing Stock Is a Better Buy in 2026?
IonQ is scaling with 201% revenue growth and a domestic semiconductor play, while Rigetti faces revenue headwinds and capital constraints.
Overview
The quantum computing race is accelerating as firms move from theoretical models to functional hardware. Is IonQ (NYSE:IONQ) or Rigetti Computing (NASDAQ:RGTI) the better buy for your portfolio in 2026?
Both companies represent a high-stakes bet on the future of high-performance computing. IonQ focuses on trapped-ion technology to build its systems, while Rigetti specializes in superconducting processors. This comparison evaluates their financial health, strategic growth, and unique risks to help you decide which stock is a more compelling opportunity today.
Details
IonQ develops trapped-ion quantum computers and offers cloud access to government, enterprise, and research customers. The company recently completed the acquisition of SkyWater Technology, establishing a domestic semiconductor foundry to bolster its infrastructure. Customer concentration like this adds a layer of risk to the business, as revenue heavily depends on a few government entities and cloud partnerships.
Source
Originally published at www.fool.com.