3 Quantum Computing Stocks That Could Deliver Decades of Explosive Growth

Most investors think quantum computing is science fiction. They're wrong -- it's a scientific fact, with quantum stock gains from the leading pure-play developers ranging from 504% to 1,220% over the past 12 months:

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IONQ Total Return Level data by YCharts

Yes, this market is nascent. Yes, the technology faces massive hurdles. But that's exactly why the opportunity is so compelling for investors willing to think in decades, not quarters.

Image source: Getty Images.

Yet the quantum computing market remains largely uncharted territory -- a vast expanse where no single technology or company yet holds commercial dominance. This nascent frontier, with its diverse approaches racing toward a revolutionary goal, presents a compelling opportunity for investors thinking in decades.

Here are three companies pushing the boundaries from different angles.

Ion trap precision

IonQ (NYSE: IONQ) takes the precision approach to quantum computing. Instead of fighting with finicky superconducting circuits, IonQ traps individual atoms with electromagnetic fields and manipulates them with lasers. The result? Superior qubit coherence and connectivity that could prove decisive when building fault-tolerant quantum systems.

The company's 504% 12-month return reflects growing confidence in its cloud-first strategy. By offering quantum computing as a service through major cloud providers, IonQ sidesteps the capital-intensive challenge of selling hardware while capturing early adopters across industries. Revenue growth has been explosive by quantum computing standards, with the company targeting $1 billion in revenue by 2030.

Critics point to scalability concerns. Managing multiple lasers per qubit becomes exponentially complex as systems grow. But IonQ's reconfigurable architecture and high-fidelity qubits position it perfectly if quality trumps quantity in the race to quantum advantage. The company continues to expand partnerships with major cloud providers while banking on its superior qubit performance to overcome engineering challenges.

Annealing pioneer pivots

D-Wave Quantum (NYSE: QBTS) pioneered commercial quantum computing before most investors had heard of qubits -- the company has been developing quantum systems for 25 years. The company's 1,220% return over the prior 12 months tells the story of a quantum annealing specialist successfully pivoting to broader markets.

D-Wave carved out a unique niche with quantum annealing, perfect for optimization problems in logistics, finance, and materials science. Unlike universal quantum computers that everyone else pursues, quantum annealers excel at finding optimal solutions in complex systems. The company counts Volkswagen, Lockheed Martin, and Los Alamos National Laboratory among its customers.

But here's the strategic genius: D-Wave has strategically expanded into gate-based quantum systems over the past few years, putting the company in direct competition with universal quantum computing while maintaining its optimization advantage. This dual approach -- specialized annealing, plus universal gate-based systems -- creates multiple paths to commercialization. With a strong balance sheet and growing patent portfolio, D-Wave has the resources and experience to execute this ambitious strategy.

Full-stack ambition

Rigetti Computing (NASDAQ: RGTI) takes the integrated approach. While competitors rely on partners for various components, Rigetti controls everything from chip fabrication to cloud access. Rigetti shares soared 1,090% as investor sentiment shifted in favor of full-stack quantum plays.

The company's superconducting approach puts it in direct competition with IBM and Alphabet, but Rigetti's in-house fabrication provides crucial advantages. Faster iteration cycles, tighter hardware-software integration, and complete control over the technology roadmap matter enormously in this rapidly evolving field. The company continues to win government contracts while expanding its commercial customer base.

Execution remains the key risk. Rigetti has faced restructuring challenges and leadership changes while burning through capital. But if superconducting technology emerges as the dominant quantum paradigm -- and many experts believe it will -- Rigetti's integrated model positions it to capture outsized returns. The company's latest quantum systems show steady progress toward the scale and fidelity needed for commercial applications.

Quantum leap of faith

These aren't normal tech stocks. These are investments in a computing revolution that could make today's most powerful supercomputers look like pocket calculators. McKinsey estimates the total addressable market could exceed $1 trillion by 2045. What we do know is that quantum computing will eventually work -- the physics is sound, the progress is real, and the potential is transformative.

Each company attacks different aspects of the quantum challenge. IonQ focuses on quality over quantity with superior qubits. D-Wave leverages 25 years of experience across multiple quantum approaches. Rigetti's vertical integration provides control in a chaotic emerging market.

For investors with 20-year horizons, owning all three provides exposure to whichever approach ultimately dominates this technological revolution.

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Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool’s board of directors. George Budwell has positions in D-Wave Quantum, IonQ, Lockheed Martin, and Rigetti Computing. The Motley Fool has positions in and recommends Alphabet and International Business Machines. The Motley Fool recommends Lockheed Martin and Volkswagen Ag. The Motley Fool has a disclosure policy.