
Photo from Horizon Quantum’s listing ceremony at the Nasdaq MarketSite in New York City on Friday, March 20, 2026.
In a remarkable display of resilience amid market volatility, several quantum computing firms are embracing the public markets this year. These companies are strategically leveraging recent scientific advancements to secure capital, aiming to accelerate the transition of this nascent technology from experimental research to commercial reality.
Among these pioneers is Xanadu Quantum, a prominent player in quantum computing hardware and software. The company commenced trading on the Nasdaq and Toronto Stock Exchange on Friday, experiencing a notable 15% surge in U.S. trading despite a somewhat hesitant initial public market reception.
Xanadu Quantum, a strategic partner of semiconductor giant Nvidia, notably went public through a merger with Crane Harbor Acquisition, a Special Purpose Acquisition Company (SPAC). SPACs, often referred to as ‘blank-check firms,’ have emerged as a favored vehicle for quantum startups seeking to navigate the complexities of an initial public offering.
The SPAC route offers a streamlined path to public markets, characterized by a potentially faster listing process and reduced regulatory hurdles, making it an attractive option for capital-intensive ventures like quantum computing.
Xanadu’s public debut followed closely on the heels of Horizon Quantum, a Singapore-based quantum software firm, which began trading after its merger with dMY Squared Technology Group, another blank-check company. This trend highlights a growing momentum within the quantum sector to tap into public investment pools.
The narrative has shifted from science project to commercial trajectory, and companies are capitalizing on that window.
Velu Sinha
Partner, Bain & Company
The journey to public markets for quantum companies has seen precedents. In 2021, dMY Technology Group facilitated the public listing of IonQ, a dedicated quantum computing firm, via a SPAC merger, marking a significant milestone for the industry.
The increasing adoption of SPACs by quantum companies underscores their strategic advantage in raising substantial capital required for the extensive research and development inherent in quantum technologies.
Quantum computing, which harnesses the principles of quantum mechanics for information processing, promises to revolutionize fields such as drug discovery, materials science, and cryptography. While still in its experimental phase, its potential to outperform classical computing for specific complex problems is widely acknowledged.
The Rationale Behind the Timing
The current surge in quantum listings occurs against a backdrop of significant global market turbulence, with geopolitical tensions impacting investor sentiment, particularly towards higher-risk, speculative assets. This challenging environment makes the decision to go public even more noteworthy.
Despite an initial positive start on its first day of trading, Xanadu Quantum’s shares experienced a decline of over 10% in after-hours trading. Horizon Quantum has seen a drop of approximately 18% since its debut, while Infleqtion, which listed on the New York Stock Exchange in February via a blank-check deal, has witnessed a more substantial stock depreciation exceeding 30%.
Nevertheless, companies appear determined to navigate these volatile markets, driven by recent breakthroughs within the quantum industry. Dr. Joe Fitzsimons, founder and CEO of Horizon Quantum, shared with CNBC that while the global landscape presents challenges, it’s an “ideal time” for quantum computing companies to emerge publicly.
“We are truly beginning to hit an inflection point,” Dr. Fitzsimons stated, pointing to a significant acceleration of breakthroughs over the past 18 months. This period has been marked by crucial advancements that are bringing quantum computing closer to practical applications.
Christian Weedbrook, chief executive officer of Xanadu Quantum Technologies Inc., with a quantum computer at the company’s office in Toronto, Ontario, Canada, on Feb. 24, 2026.
Bloomberg | Bloomberg | Getty Images
The years 2024 and 2025 have witnessed critical advancements in quantum error correction, a fundamental prerequisite for building robust and reliable quantum machines. Concurrently, there have been improvements in qubit counts—enhancing the potential problem-solving capacity of quantum computers—and coherence times, which are vital for reducing errors and improving the accuracy of computations.
Velu Sinha, a partner at Bain & Company, projects that the initial demonstrations of practical quantum advantage, often cited around the 100 logical qubit mark, are anticipated between 2028 and 2029. However, for commercially significant applications like drug discovery or large-scale logistics optimization, the requirement for 1,000 to 10,000 logical qubits suggests a timeline closer to the mid-2030s.
This concept of “quantum advantage” signifies a pivotal moment where quantum computers can solve real-world problems with unprecedented speed, efficiency, or accuracy compared to the most advanced classical supercomputers.
A Transformative Narrative
The race towards achieving quantum advantage is fueling substantial investments across the sector. Major technology corporations such as Alphabet, Microsoft, Amazon, and IBM have committed considerable resources to quantum research and development, though they have largely pursued in-house development rather than spinning off public entities.
“The narrative has shifted from science project to commercial trajectory, and companies are capitalizing on that window,” Sinha observed, indicating a maturing perception of the quantum industry.
“Quantum computing is recognized as one of the few technology sectors with a structurally inevitable future. Estimates for the total addressable market at full maturity range from $100 to $250 billion, providing a compelling case for patient capital to look beyond short-term market fluctuations,” he added. This long-term outlook is crucial for sustaining investment in a field that requires significant upfront capital and has a long development cycle.
Early commercial applications are beginning to emerge in specialized areas such as optimization algorithms for complex systems, advanced financial modeling, and intricate chemical simulations. These early successes are crucial in demonstrating the tangible value proposition of quantum technologies.
Matthew Kinsella, CEO of Infleqtion, articulated that the timing for their public offering was opportune because quantum technologies, particularly those leveraging neutral atom platforms, are transitioning from fundamental scientific progress to demonstrable commercial relevance. He noted that going public provides the necessary capital to accelerate commercialization and strategically invest in markets where customer demand is already evident. Kinsella anticipates a phased commercialization, with quantum sensing and timing applications leading in the near term, followed by broader quantum computing capabilities as performance continues to scale.

For smaller quantum startups, the ability to generate near-term revenue is paramount to securing ongoing investor confidence for their ambitious long-term research initiatives. Horizon Quantum Computing, for instance, has strategically focused on developing software tools compatible with both classical and quantum systems. This approach allows them to generate revenue streams even before large-scale quantum hardware becomes widely accessible.
The company’s CEO indicated that the newly secured capital will be instrumental in expanding their research personnel and launching an early version of their software to a select group of early access users within the current year. Similarly, Xanadu Quantum has invested in cloud-based platforms that empower developers to experiment with quantum algorithms and access existing quantum hardware on a pay-per-use basis.
From Laboratory Benchtop to Real-World Impact
Historically, government entities have been instrumental in the development of the quantum sector, primarily due to the substantial capital investment required. Nations like the United States, China, and the European Union have allocated significant financial commitments to quantum research and commercialization efforts, recognizing its strategic importance for advancements in computing power and cybersecurity.
These government-led initiatives have often involved collaborations with universities and national laboratories, fostering a strong foundation for fundamental research. However, the current wave of public listings signifies a notable shift in the industry’s trajectory, moving from academic and public research spheres towards commercial markets, even as the timeline for widespread adoption remains a subject of ongoing discussion and evolving projections.
“Quantum computers are going to be able to perform trillions of computations instantaneously, and that will absolutely revolutionize the way we interact with computing,” stated Marc Einstein, research director at Counterpoint Research. He further elaborated that while the widespread adoption of quantum computers in individual offices or homes might be decades away, the emergence of a future where large organizations operate quantum computing facilities and offer them as a service could materialize much sooner.
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