Despite its status as the largest pure-play quantum computing firm by market capitalization, IonQ Inc. NYSE: IONQ proved to be less of a stable bet in recent weeks. Shares are down nearly 35% in the past month, and despite a strong Q1 2026 in many ways, the company’s loss per share is widening. Add to that a sky-high-to-sales (P/S) ratio of 113.3, and it’s clear that, despite its winning streak, IonQ may be ripe for disruption.
While investors may be tempted by other bright names like D-Wave Quantum Inc. NYSE: QBTS and Rigetti Computing NASDAQ: RGTI—both powerful and challenging—there is another group of often-overlooked opponents that may warrant examination. At the top of this list is Quantinuum NASDAQ: QNT and Quantum Computing Inc. NASDAQ: QUBT.
Quantinuum: The Newest and Most Considered
In the two months after its IPO, Quantinum’s shares are up nearly 18%. The company attracted the attention of insiders in the quantum computing space long before it went public, however—NVIDIA’s NASDAQ: NVDA A major investment last September brought in hundreds of millions of dollars, helping to bring the company’s value to $10 billion.
Quantinuum Today
Starting at 11:58 AM Eastern
- 52 week interval
- $50.10
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$86.79
- Target Value
- $98.75
As the newest quantum company in the public eye, Quantinuum faces a crowded field of often more established competitors. But the company’s momentum, including a recently announced partnership with Rolls-Royce OTCMKTS: RYCEYthe University of Edinburgh, and others, may be growing rapidly.
Add to that that Quantinuum has shown success with its hardware in terms of reliability and qubit, and that, thanks in part to the support of NVIDIA, the company has a flight path of several years, and Quantinuum becomes a competitor worth watching.
Of course, there’s still a long way to go for Quantinuum’s products to be accepted, which means there are plenty of potential pitfalls along the way. Revenue remains below $31 million throughout 2025, though market capitalization approaches $18 billion. This puts its price-to-sale ratio at an attractive 1.01. Even though it has all the cash on hand, the company is quick to use the money to fund its cheap R&D programs, putting it at high risk of disaster.
In the quantum world known for its highly speculative games, Quantinuum is one of the most dangerous ventures in this early stage. On the contrary, there may be great potential for those investors who are willing to take the risk. Wall Street analysts certainly seem to think so, based on 12 Buy ratings and just two Holds, and a consensus price target of around $99, about 48% above where QNT is currently trading.
Quantum Computing: Buying Spree Can Turbocharge Production, But Risks Are High
Its biggest rival D-Wave has made headlines for its big acquisitions, including the $550 million purchase of Quantum Circuits in early 2026, but Quantum Computing has been on a buying spree. The company completed the acquisition of Luminar Semiconductor and NuCrypt, both quantum optics companies, in the first quarter of the year. It recently announced the completed acquisition of NHanced Semiconductors, calling it an important step toward “decreasing commercial production.”
Quantum Computing Today
Quantum Computing
- 52 week interval
- $6.18
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$25.84
- Target Value
- $18.33
The company is able to do this because of its strong cash position and backlog, as it ended Q1 2026 with nearly $1 billion in cash and investments and a growing backlog of $16 million. Quantum Computing appears to be on the verge of transitioning from a research-focused company to trying to scale its production, and is buying smaller firms to speed up the process.
This may be a good sign for Quantum Computing, but the test will be whether the company can adjust its operating costs and generate uninvested income. In Q1, operating expenses increased 123% year over year to nearly $20 million, resulting in a net loss of $4.1 million. All additional costs and other M&A related expenses contributed to the compressed margins and expected cash burn.
The biggest problem may be that Quantum Computing has not fully demonstrated its sales thesis based on its revenue performance. With less than $4 million in revenue from core operations last quarter, the company still relies on its investments to generate a large portion of its top line. So, like QNT above, QUBT shares are highly speculative at this stage. Analysts tend to be more cautious about the company, giving it four buy ratings, two holds, and one sell rating. Shares have shed 19% of their value so far this year but have about 120% of analyst-predicted potential.
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