Quantum computing is no longer a futuristic dream as it’s quickly becoming a disruptive force across industries such as finance, healthcare, cybersecurity, and artificial intelligence. With tech giants like Google, IBM, and Microsoft investing billions into quantum research, the industry is poised for explosive growth. However, investors don’t have to break the bank to get in on the action. Several small to mid-cap quantum computing stocks are trading under $25, offering significant upside potential.
In this article, we’ll explore the top seven quantum computing stocks under $25 in 2025, breaking down their business models, recent developments, and growth potential. If you’re looking to invest in this next-gen technology without overspending, this list is for you.
Why Quantum Computing Stocks Are a Hot Investment
Quantum computing leverages quantum mechanics principles, such as superposition and entanglement, to process information exponentially faster than classical computers. This breakthrough technology is expected to revolutionize industries by solving complex problems that were previously impossible to compute.
The U.S. government, venture capital firms, and multinational corporations are heavily funding quantum development, with projections estimating the global quantum computing market will exceed $125 billion by 2030. Despite these advancements, many quantum stocks remain undervalued due to the sector’s early-stage nature. This presents a lucrative opportunity for investors looking for affordable, high-growth stocks in an industry with massive potential.
Top 7 Quantum Computing Stocks Under $25 in 2025
1. IONQ Inc. (NYSE: IONQ)
IONQ is one of the leading publicly traded pure-play quantum computing companies. The company specializes in trapped-ion quantum processors, which are considered among the most scalable quantum computing architectures. IONQ has secured partnerships with major players like Amazon Web Services (AWS), Google Cloud, and Microsoft Azure, positioning itself as a major contender in the race for commercial quantum applications.
Why invest?
- Strong partnerships with tech giants
- Projected revenue growth in cloud-based quantum computing
- Focused on expanding quantum hardware capabilities
2. Rigetti Computing (NASDAQ: RGTI)
Rigetti Computing is another major name in the quantum computing space, known for its superconducting qubit technology. The company has been making strides in quantum cloud computing and recently secured contracts with the U.S. government and private enterprises.
Why invest?
- Strong presence in the government and enterprise sectors
- Continual advancements in superconducting quantum technology
- Focused on hybrid quantum-classical computing solutions
3. D-Wave Quantum Inc. (NYSE: QBTS)
D-Wave Quantum is unique among quantum companies as it specializes in quantum annealing, a technique optimized for solving optimization problems in industries like logistics, finance, and AI. Unlike other quantum computing firms still in early-stage development, D-Wave has already commercialized several quantum solutions.
Why invest?
- Established customer base with real-world quantum applications
- Continued expansion in AI-driven optimization solutions
- Government and enterprise adoption growing
4. Quantum Computing Inc. (NASDAQ: QUBT)
Quantum Computing Inc. focuses on software-driven quantum solutions rather than developing quantum hardware. The company’s primary goal is to make quantum computing more accessible for businesses without requiring specialized expertise in quantum mechanics.
Why invest?
- Lower hardware dependency reduces development costs
- Expanding quantum-as-a-service (QaaS) business model
- Positioned as an early leader in quantum software solutions
5. Arqit Quantum Inc. (NASDAQ: ARQQ)
Arqit Quantum specializes in quantum encryption, a critical sector given the rising concerns around cybersecurity. The company’s QuantumCloud™ platform provides encryption services designed to be resilient against quantum cyber threats, making it an attractive option for government agencies and corporations.
Why invest?
- Addresses cybersecurity threats posed by future quantum computers
- Strong defense and government partnerships
- Potential for massive adoption in data security industries
6. Spire Global (NASDAQ: SPIR)
Spire Global is not a traditional quantum computing company but has been integrating quantum technology into its satellite and space intelligence operations. The company leverages quantum-enhanced sensors and AI-driven analytics, which could offer a unique growth angle in space-based quantum communications.
Why invest?
- Quantum integration into satellite and AI data analytics
- Expanding presence in the defense and aerospace industries
- Government-backed quantum initiatives supporting growth
7. Quantum Corporation (NASDAQ: QMCO)
Quantum Corporation is a data storage company that has been pivoting towards quantum-based data processing and high-performance computing solutions. With an increasing demand for advanced data storage solutions that can support quantum systems, Quantum Corp is positioning itself at the intersection of quantum computing and enterprise data management.
Why invest?
- Strong foothold in data storage, a crucial aspect of quantum computing
- Potential quantum-based data processing applications
- Longstanding reputation in high-performance computing solutions
Risks and Challenges in Quantum Computing Investments
While quantum computing presents massive growth potential, investing in this sector comes with risks. Most companies in this space are still in the early development stage, meaning they have little to no revenue and are dependent on external funding.
Key risks include:
- Long development timelines: Commercial quantum applications are still years away.
- High volatility: Small-cap quantum stocks can be highly speculative.
- Competition from tech giants: Companies like Google, IBM, and Microsoft have significantly larger R&D budgets.
Despite these challenges, patient investors with a long-term outlook may find quantum computing stocks to be a high-risk, high-reward opportunity.
Conclusion
Quantum computing has the potential to revolutionize industries and generate massive wealth for early investors. While large-cap tech companies dominate the headlines, small to mid-cap stocks under $25 offer affordable entry points with significant growth potential.
Stocks like IONQ, RGTI, QBTS, QUBT, ARQQ, SPIR, and QMCO each have unique value propositions, ranging from quantum encryption to cloud-based quantum computing solutions. However, investors should carefully assess risk factors and consider diversifying their portfolios to manage volatility.
Are you currently investing in quantum computing stocks? Which companies do you think have the most potential? Let us know in the comments!