Analysts see big upside potential in some quantum computing stocks. Three companies that stand out currently are Xanadu Quantum Technologies (XNDU), Rigetti Computing (RGTI), and Quantum Computing Inc. (QUBT). Analysts say these stocks have room for 100% or more upside if adoption grows. Claim 55% Off TipRanks Explore QUBX for 2X leverage on QUBTXanadu Quantum Technologies (XNDU) Xanadu is one of the few quantum startups focused on photonic quantum computers, which use light instead of superconducting circuits. The companyâs openâsource software platform PennyLane and its push toward scalable photonic hardware are positive factors. Since the company is still early in its commercial ramp, even modest contract wins could move the stock sharply. The stock has earned an analyst consensus of Moderate Buy. With an average price target of $44.00, the stock has an upside potential of 328.02%. Rigetti Computing (RGTI) Rigetti is making efforts to lower costs and improve chip performance. The companyâs latest quantum processing units show better error rates and stronger coherence, which could help it compete more directly with larger players. Rigetti also has active government and enterprise pilots, giving it a clearer commercial path than many peers. The companyâs upside comes from its ability to keep improving its hardware and land more paid projects. RGTI stock has an analyst consensus of Moderate Buy, with an average price target of $30.71, suggesting an upside of 117.06%. Quantum Computing Inc. (QUBT) QUBT stands out for its focus on quantumâready software and quantumâsafe security tools, rather than pure hardware. The companyâs growing suite of apps, aimed at cybersecurity and defense use cases, supports its growth. Interestingly, the stock has major upside if government and enterprise demand picks up. QUBT stock has an analyst consensus of Moderate Buy and carries an average price target of $16.00, indicating a 115.34% upside