Weekly funding roundup: AI infrastructure dominates with multibillion-dollar raises

This week’s largest venture rounds were led by AI infrastructure companies, with Crusoe raising $3 billion and Fluidstack $1.5 billion. Other notable deals included AI inference startup Gimlet Labs at $300 million and cybersecurity firms Upwind Security and HiddenLayer, which raised $300 million and $100 million respectively.

The roundup also featured funding for food company David, HR software provider HiBob, robotics firm Lyte AI, payments company TabaPay, and oncology care coordinator Thyme Care. The deals span sectors from cybersecurity to healthcare, reflecting broad investor appetite across technology and services.