Quantinuum IPO: Quantum computing systems developer shares started trading

Preliminary trading in shares of Quantinuum, a developer of systems and software for quantum computing, has begun on the Freedom client trading system. The offering claims to be the largest public listing ever by a specialized full-stack quantum company, Quantum Insider writes . Later on June 4, Quantinuum's securities will appear on the Nasdaq under the ticker QNT.

Quantinuum has successfully raised $1.68 billion in an IPO. Amid high investor interest in one of the fastest growing sectors of quantum technologies, the company placed 28 million shares at $60 per paper, which is above the boundary of the previously announced price range ($53-55), writes Reuters.

Ahead of its IPO, Quantinuum has increased the size and value of its listing, raising the potential valuation of the business to $14.3 billion. According to Barron's, the developer has decided to offer 26.5 million shares at $53 to $55 apiece instead of the previous 21 million shares at $45 to $50.

The renegotiation of Quantinuum's IPO followed immediately after the U.S. government announced plans to invest $2 billion in the equity of nine companies specializing in quantum computing. As part of this initiative, Quantinuum will receive $100 million in funding, recalls Reuters.

According to Barron's estimates, with the new target Quantinuum takes the second place in the list of the most expensive public quantum companies, behind only IonQ (capitalization - about $27 billion), which also develops the technology of ion traps (quantum processors). In third place is D-Wave Quantum with a valuation in the neighborhood of $11 bln.

The new terms reflect the growth of indicators even in comparison with the application submitted in May. At that time, the company expected to attract financing more modestly - up to $1.05 bln, while the business valuation was about $12.7 bln.

The listing was arranged by J.P. Morgan, Morgan Stanley, Jefferies, Evercore ISI, BofA Securities, UBS Investment Bank, Cantor, Mizuho Securities, Needham & Co., Societe Generale and TD Cowen.

Colorado-based Quantinuum was formed in 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum. The deal combined Honeywell's ion trap quantum hardware capabilities with Cambridge Quantum's software and algorithm expertise. Today, Quantinuum is one of the world's largest vertically integrated (full-stack) developers in this sector, according to Quantum Insider.

Honeywell will retain substantial ownership after the IPO. It is expected to retain approximately 49.1% of Quantinuum's voting shares after the offering, with Cambridge Quantum holding approximately 32.5%.

Quantinuum system architecture is based on ion trap technology, where computations are performed by controlling electromagnetic fields. The industry considers this approach as one of the most promising for creating large-scale quantum computers. In addition, the company monetizes cybersecurity solutions and provides professional services. Its contractors and partners include Airbus, BMW Group, JPMorganChase and Amgen.

Quantinuum's 2025 revenue increased 34% year-over-year to $30.9 million, according to its financial statements, the company said in a prospectus filed with the U.S. Securities and Exchange Commission (SEC). Orders recorded totaled $79.3 million, which forms a headwind for future operating income. At the same time, the company recorded a net loss of $192.6 million, due to the high capital intensity of the business and large-scale financing of R&D programs and operations in anticipation of the listing.

Quantum computing is attracting growing interest amid recent technological breakthroughs that confirm its potential to accelerate the solution of problems in a wide range of fields - from drug development to financial modeling and cryptography. Quantum computers are capable of solving complex problems several times faster than classical supercomputers, but serious technical challenges remain in the industry, including high error rates that have so far limited their practical application, Reuters points out.

"The increased size of the offering indicates strong institutional demand and that investors view Quantinuum as a scarce strategic asset. However, at this valuation, years of successful operations are built into the stock price before actual revenue can catch up with these expectations," said IPOX Research analyst Lukas Muehlbauer. - For the company is quite reasonable to use the opened favorable window for IPO, while the enthusiasm of investors in relation to quantum technologies remains at a high level".

"Quantinuum compares favorably to many quant companies that have gone public through SPAC structures. Having an operating history through the Honeywell legacy, significant investment in R&D and a staff of around 700 employees differentiates it from earlier-stage competitors," Muehlbauer added.

Analysts cited by Reuters expect Quantinuum's IPO to have a huge impact on the entire quantum computing sector, given the limited number of publicly traded companies in this niche.

"The emergence of new quant companies in the public markets expands this universe, improves the pricing process and draws the attention of analysts and institutional investors to a sector that until now has been tracked rather loosely," Wedbush analysts said in a research note this week.

"We expect Quantinuum's valuation and share price performance in the first one to two days of trading to set the tone for the market and influence publicly traded peers, especially given the strong mutual correlation of quant asset prices," the brokerage added.

Freedom Finance analyst Alem Bektemirov says that at the current offering price, the growth potential of the stock is about 21% - its target price for Quantinuum securities is $72.5 per unit. Among the key risks of the company, the analyst calls uncertainty in the timing of product realization and the need to attract additional capital. If Quantinuum is unable to timely present technological solutions under development, it may significantly delay the timing of reaching the target revenue, which will negatively affect the market valuation of the company, notes Bektemirov. In addition, Quantinuum may require significant funding in the future to support operations and scale, but there can be no assurance that the company will be able to raise this capital on acceptable terms or find available sources of funding at all.

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Freedom clients will be able to get access to Quantinuum shares before the opening of the main exchange session. Trading will begin in the early pre-market format 2-3 hours before the U.S. exchanges open (from 15:30-16:30 Astana time). To participate click on ticker QNT.

This article was AI-translated and verified by a human editor