Top Quantum Computing Stocks to Watch: Nvidia, Microsoft, and IBM

Quantum computing is expected to revolutionize computing, and investing in quantum computing stocks could offer long-term growth. Nvidia, Microsoft, and IBM are top picks with analyst consensus of Strong Buy or Moderate Buy and Smart Score of 8 or 10 on TipRanks. These stocks have the potential to beat the market and provide opportunities for investors.

Quantum computing is poised to revolutionize various industries, from drug discovery to artificial intelligence, by solving complex problems that are currently intractable for classical computers. As the technology advances, investors are increasingly looking at quantum computing stocks for long-term growth opportunities. However, the sector presents both significant potential and valuation concerns.

Major tech companies like IBM, Microsoft, and Google have made strides in quantum computing, but it is NVIDIA that has had a notable impact on the sector. Initially dismissing the technology's near-term relevance, NVIDIA CEO Jensen Huang later stated that quantum computing is nearing an "inflection point" and is close to solving real-world problems. This reversal has driven investor interest and significant stock appreciation in the sector [2].

Top Quantum Computing Stocks

1. D-Wave Quantum Inc. (QBTS) - With a Proscore of 2.05 out of 5, D-Wave Quantum Inc. is the relative leader in the speculative quantum computing space. The company focuses on quantum annealing, a specialized branch of quantum computing that offers advantages over both classical systems and gate-based quantum computers for solving optimization problems. D-Wave recently announced the general availability of its Advantage2 Quantum Computer, the most advanced and performant system to date for solving complex computational problems [2].

2. Quantum Computing Inc. (QUBT) - Quantum Computing Inc. boasts the most impressive one-year return in the group at 2,219%. The company secured its first U.S. commercial sale for its quantum cybersecurity solutions with a $332,000 order from a major bank. Despite its impressive performance, the stock trades substantially above its fair value estimate, indicating potential overvaluation [2].

3. IonQ Inc. (IONQ) - IonQ Inc. has the most analyst coverage in the sector with seven firms tracking the stock. The company recently achieved two major breakthroughs: successfully using a quantum computer to simulate the most complex protein folding problem to date and completing the first known quantum simulation of neutrinoless double-beta decay. Despite its promising developments, the stock trades 28% above its fair value [2].

4. Rigetti Computing Inc. (RGTI) - Rigetti Computing Inc. reported achieving a key technical milestone of 99.5% median two-qubit gate fidelity on its modular system. While analysts are positive on the stock, the price targets suggest only 11% upside potential, indicating a more tempered enthusiasm compared to other companies in the sector [2].

Valuation Concerns

Despite the revolutionary potential of quantum technologies, current market prices may already reflect much of the anticipated future growth. None of these stocks achieves a Proscore above 2.1, which would typically indicate average investment quality on Investing.com Pro’s 1-5 scale. This suggests that while the sector offers tremendous growth, investors should be cautious and selective in their investments [2].

Conclusion

Quantum computing stocks present a paradox for investors: tremendous growth potential contrasted with concerning valuation metrics. While companies like D-Wave, Quantum Computing Inc., IonQ, and Rigetti Computing Inc. show promising developments, investors should approach these stocks with caution due to their significant premium pricing relative to fair values. As the technology matures and more practical applications emerge, the quantum computing sector is expected to continue evolving, offering both opportunities and challenges for investors.

References

[1] QuamCore Secures $26M Series A to Build 1 Million Qubit Quantum Computer in a Single Cryostat. (2025, August 4). Retrieved from https://www.globenewswire.com/news-release/2025/08/04/3126601/0/en/QuamCore-Secures-26M-Series-A-to-Build-1-Million-Qubit-Quantum-Computer-in-a-Single-Cryostat.html

[2] Which Quantum Computing Stock Screens Best According to WarrenAI. (2025, July 2). Retrieved from https://www.investing.com/news/stock-market-news/which-quantum-computing-stock-screens-best-according-to-warrenai-93CH-4166554