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Honeywell-Backed Quantum Computing Firm Quantinuum Seeks $1.46 Billion in Upsized IPO

businessstocks 6 posts · 6 accounts

Honeywell-backed quantum computing company Quantinuum increased the size and price range of its initial public offering to as much as $1.46 billion, according to an SEC filing. The company plans to sell 26.5 million shares for $53 to $55 each, up from 21 million shares at $45 to $50 previously, implying a valuation of as much as $14.3 billion.

That compares with a prior target of as much as $1.05 billion. Quantinuum is expected to price the offering Wednesday after the market close and begin trading Thursday on Nasdaq under the symbol QNT.

From the sources (6 posts)

@firstsquawk

QUANTINUUM NOW SEEKS UP TO $1.46B IN IPO, SOUGHT $1.05B

@wallstengine

HONEYWELL'S QUANTINUUM NOW SEEKS UP TO $1.46B IN IPO, UP FROM PRIOR $1.05B TARGET

@business

Honeywell-backed quantum computing company Quantinuum boosted the size of its IPO to as much as $1.46 billion, raising the number of shares offered and the price range

@stockmktnewz

Honeywell $HON backed Quantinuum $QNT has upsized its IPO offering Quantinuum is expected to begin trading on Thursday of this week

@stocksavvyshay

Honeywell’s $QNT now seeking up to $1.46B in its IPO (up from prior $1.05B target) making it one of the largest quantum IPOs to date. Quantinuum’s mission is to accelerate quantum computing and use it to solve problems classical computers

@techmeme

SEC filing: quantum computing company Quantinuum upsizes its IPO, selling 26.5M shares for $53 to $55 each to raise up to $1.46B at an up to $14.3B valuation (@lianabaker / Bloomberg) (Visit Techmeme dot com for the link and full context!)

Preview built on a synthetic news corpus (16 weeks, Apr–Jul 2026). Impact calls are model reads, not price data.

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