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  4. Freshfields Advises Quantinuum on $600m Equity Capital Raise
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Freshfields Advises Quantinuum on $600m Equity Capital Raise
Sep 4 2025

Freshfields is advising Quantinuum, an integrated quantum computing company formed from the combination of Honeywell Quantum Solutions and Cambridge Quantum Computing, on an equity capital raise of approximately $600 million at a pre-money equity valuation of $10 billion. Quanta Computer, NVentures (NVIDIA's venture capital arm) and QED Investors have joined existing shareholders JPMorganChase, Mitsui, Amgen, Cambridge Quantum Holdings, Serendipity Capital and Honeywell — all of whom have reinvested in this round.

More details about the transaction can be found here. Freshfields had previously advised Honeywell on the formation of Quantinuum, and Quantinuum on its prior equity financing round.

The Freshfields team is led by M&A partner Andrea Basham and associates Wicy Wang, Clara Barnosky and Yuanmeng He, with assistance from M&A partner Sanjay Murti. Partner Aimen Mir, CFIUS and national security advisor Colin Costello, and associate Andrew Gabel advised on CFIUS and foreign direct investment matters; partner Claude Stansbury and associate Hannah Golden advised on tax matters; partner Lori Goodman and associate Chaim Leggiere advised in employee benefits matters; partner Jeremy Barr advised on capital markets matters; partner Doru Gavril and associate Elena Hadjimichael advised on securities law compliance matters; partner David Sewell and senior associate Nariné Atamian advised on bank regulatory matters; and partner Stephanie Brown Cripps and associate Alice Jeon advised on compliance and sanctions matters.

Our Team
New York
Andrea Merediz BashamPartner
New York
Wicy WangAssociate
San Francisco
Clara BarnoskyAssociate
New York
Yuanmeng HeAssociate
New York
Sanjay MurtiPartner
Washington, DC
Aimen MirPartner | Foreign Investment and National Security | Head of CFIUS Practice
Washington, DC
Colin CostelloCFIUS and National Security Advisor
Washington, DC
Andrew GabelAssociate
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