10 Best Quantum Computing Stocks to Buy for 2026

2. Rigetti Computing, Inc. (NASDAQ:RGTI)

Number of Hedge Fund Holders: 25

Average Upside Potential: ~60%

Rigetti Computing, Inc. (NASDAQ:RGTI) is one of the Best Quantum Computing Stocks to Buy for 2026. On January 15, Rosenblatt analyst John McPeake initiated coverage of the company’s stock with a “Buy” rating and a price objective of $40. Notably, the firm likes the company’s modular approach to qubit scaling and its internal fab approach. According to the analyst, Rigetti Computing, Inc. (NASDAQ:RGTI)’s work with leading quantum error correction partner Riverlane is promising in the medium- to long-term.

In a separate release on January 9, Rigetti Computing, Inc. (NASDAQ:RGTI) announced that it revised its roadmap and adjusted the general availability date for its 108-qubit quantum computing system, Cepheus™-1-108Q. This is now anticipated to reach general availability around the end of Q1 2026. The company has a clear understanding of what needs to be done to achieve 99.5% median two-qubit gate fidelity, and it is well on its way to achieving it.

Notably, building higher-qubit-count systems could help uncover new challenges.

Rigetti Computing, Inc. (NASDAQ:RGTI) is an integrated systems company that builds quantum computers and superconducting quantum processors that power them.