The listing is the latest test of investor appetite for quantum computing companies, as breakthroughs in the technology spur bets that quantum machines could eventually outperform conventional computers on certain complex tasks.

June 1 : Honeywell's Quantinuum is targeting a valuation of up to $14.3 billion in its upsized U.S. initial public offering, underscoring robust investor appetite around quantum…

Quantinuum's revised IPO terms comes on the heels of the U.S. government unveiling plans last month to take $2 billion in equity stakes across nine quantum-computing companies.

Quantinuum has reportedly increased the size and pricing of its IPO, raising its potential valuation to approximately $14.3 billion.