Quantinuum Shares Pare Gains to Close Little Changed After IPO

Quantinuum Inc., a quantum computing company backed by Honeywell International Inc., reversed a 19% gain to close just above its debut price after raising $1.68 billion in an upsized US initial public offering.

Shares of the company, which upsized its offering on growing investor enthusiasmBloomberg Terminal for the emerging technology, opened at $68 each on Thursday, versus the IPO price of $60. The IPO drew demand from investors for more than 20 times the shares available, people familiar with the matter have saidBloomberg Terminal.