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Honeywell-Backed Quantinuum Shares Jump 13% After Upsized IPO

Bloomberg Tech · Jun 4, 2026, 5:52 PM · Also reported by 4 other sources

Quantinuum Inc., a quantum computing company backed by Honeywell International Inc., opened 13% above its listing price after raising $1.68 billion in an upsized US initial public offering.

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Investing.com Honeywell-backed Quantinuum raises $1.68 bln in upsized U.S. IPO Bloomberg Markets Honeywell-Backed Quantinuum Raises $1.68 Billion in Upsized IPO Investing.com Honeywell’s Quantinuum valued at $17.6 billion as shares rise in Nasdaq debut Investing.com INNIO shares open at $31 after pricing upsized IPO at $27

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Honeywell-Backed Quantinuum Shares Jump 13% After Upsized IPO

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