Quantinuum, the trapped-ion quantum computing company backed by Honeywell, priced its IPO at $60 per share on June 3, 2026, raising $1.68 billion. Shares are set to begin trading on Nasdaq under the ticker QNT on June 4.

This is one of the first traditional public listings for a major quantum computing firm. The offering was upsized from an initial target of roughly $1.05 billion.

The numbers behind the quantum hype

Quantinuum sold 28 million shares of Class A common stock, with underwriters holding a 30-day option to purchase an additional 4.2 million shares. At the prior price range, the company carried a valuation of $14.3 billion.

The company reported 2025 revenue of approximately $30.9 million. Its bookings hit $79.3 million. The net loss widened to $192.6 million for the same period.