Glade Brook Capital Partners

Glade Brook Capital Partners is named as an investor in CuspAI's $450m Series B, disclosed alongside new state-linked investors when the round's fuller cap table emerged on 20 July 2026.

Glade Brook Capital Partners is a US growth-equity investment firm that backs technology companies at scale-up stage, typically taking substantial minority stakes in later-stage private funding rounds.

Its position in the CuspAI round places it alongside a mix of private and sovereign-linked capital, illustrating how state investment vehicles are increasingly co-investing with established growth-equity firms in strategically important AI infrastructure deals.