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Quantinuum raises $1.68 billion in IPO that seeks to give quantum computing more street cred

MarketWatch · Jun 4, 2026, 12:57 AM · Also reported by 4 other sources

Quantinuum is pursuing a traditional IPO, whereas many other quantum players have gone the SPAC route.

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Investing.com Honeywell’s Quantinuum raises $1.68 billion in US IPO as quantum computing heats up Bloomberg Markets Honeywell-Backed Quantinuum Raises $1.68 Billion in Upsized IPO Investing.com Honeywell-backed Quantinuum raises $1.68 bln in upsized U.S. IPO Bloomberg Tech SpaceX Seeks to Raise $75 Billion in IPO Plan

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Quantinuum raises $1.68 billion in IPO that seeks to give quantum computing more street cred

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