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Keyfactor, the trust infrastructure specialist for the AI and quantum era, has received a strategic growth investment exceeding $1bn as enterprises race to secure machine identities ahead of the post-quantum transition.

The round was led by Summit Partners, with existing backers Insight Partners and Sixth Street Growth retaining substantial stakes once the deal completes. The fresh capital is earmarked for scaling the business globally, funding product development, entering new geographies, hiring, and pursuing acquisitions. Summit Partners managing directors Andy Collins and Colin Mistele will both take seats on Keyfactor's board when the transaction closes.

Stoa, a UK-based FinTech that helps consumers and SMEs draw everyday value from dormant deposits, has secured $2.4m in pre-seed funding to scale its cash management platform.

Bespokeist Partners and Ingenii Capital co-led the investment, which also drew backing from Force Over Mass Capital and Fuel Ventures. A group of senior angels from the financial services world joined the round as well, among them Suneel Hargunani, previously of Citi, and Rachel Sestini, a partner at Shaw Gibbs group and co-founder of Canopy Capital, along with other figures from major global institutions.

Tripo AI, a Dongcheng, China-based artificial intelligence company building AI 3D foundation models and world models, raised $150M in Series A3 funding.

Backers included Geely Capital, 4399 Network, Tanwan, Giant Network, Fosun Capital, Orinno Capital, CoStone Capital, Addor Capital, T-Capital, Muhua Tech Ventures and others.