Story perspectives

Quantinuum Raises $1.68 B, Shares Jump 13%, Honeywell Holds 48%

6/6/2026

Summary

Quantinuum Nasdaq Debut

Quantinuum Inc. debuted on Nasdaq on June 4, 2026 at $68 per share, 13% above its $60 IPO price.
The company raised $1.68 billion by selling 28 million Class A shares at $60, upsizing from 21 million and pricing above $53-$55.
Honeywell retained about 48.1% of Quantinuum’s voting power after the listing, preserving strategic control.
U.S. government’s $2 billion quantum initiative includes a $100 million investment for Quantinuum to address bottlenecks.

Summary

Latham Leads IPO

Latham & Watkins served as lead counsel for Quantinuum’s IPO of 28 million Class A shares at US$60 each.
Capital Markets partners Ryan Maierson, Cathy Birkeland and Abigail Smith led the team.
Corporate, tax and compensation matters were handled by partners Max Schleusener, Pardis Zomorodi, Christine Mainguy and Michelle Carpenter.
Intellectual property and AI matters were handled by partners Tony Sammi, Michael Seringhaus, Sophie Goossens and Kate Hillier.

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Quantinuum Nasdaq Debut

Quantinuum Inc. debuted on Nasdaq on June 4, 2026 at $68 per share, 13% above its $60 IPO price.
The company raised $1.68 billion by selling 28 million Class A shares at $60, upsizing from 21 million and pricing above $53-$55.
Honeywell retained about 48.1% of Quantinuum’s voting power after the listing, preserving strategic control.
U.S. government’s $2 billion quantum initiative includes a $100 million investment for Quantinuum to address bottlenecks.

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