Back to Latest SignalTECHMEME / MODEL RELEASELondon-based Callosum, whose software matches AI tasks with models and chips, raised a $100M seed led by Atomico; the UK's Sovereign AI Fund also investedSource: TECHMEME · AUG 20, 2026IN THIS STORYSovereign AI FundSourcesRead the original at TECHMEMERelated on FrontierPotential Sciences, an AI startup building large-scale chemical data sets, secured backing from the UK's Sovereign AI Fund, as part of an eight-figure raise (Joel Khalili/Wired) Nov 6, 2026NY-based Kalepa, whose AI platform supports insurance underwriting, pricing, and portfolio management, raised a $75M Series B led by Updata at a $470M valuation (Manya Saini/Reuters) Nov 6, 2026Berlin-based Pliant raised an $80M Series C led by Seaya Nova and Speedinvest, as it opens its B2B payments infrastructure to AI agents (Cristian Dina/The Next Web) Nov 4, 2026Sources: Thinking Machines Lab is raising $5B led by Accel at a $40B pre-money valuation, more than tripling its valuation from its last public round last year (Business Insider) Nov 5, 2026Agentic Data Security Firm Sentra Raises $150 Million Nov 4, 2026MORE LATEST SIGNALSIGNALS