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Jun 4, 2026 4:10 PM

Quantinuum Stock Opens Above IPO Price, Then Fades

Quantinuum Inc. (NASDAQ:QNT) had the kind of debut that gets the room buzzing, then quiets it down.

QNT stock is trading live. See the chart and price action here.

QNT Opens For Trading

The quantum computing company opened at $68 per share Thursday afternoon, a 13% pop above its $60 IPO price, before sellers stepped in and pushed shares back to around $62, still above the offering price, but well off the intraday high of $71.35.

The Colorado-based quantum computing company raised $1.68 billion Wednesday night through the sale of 28 million Class A shares, pricing above an already-elevated range of $53 to $55 after demand came in roughly 20 times oversubscribed. 

Underwriters hold a 30-day greenshoe option on up to 4.2 million additional shares, with the offering set to close June 5.

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