Re:Build led this week's funding rounds, closing on $2.1 billion for its manufacturing platform that partners with industrial companies from product design through large-scale production. General Catalyst and JPMorganChase led the financing for the Framingham, Massachusetts-based company.

Predictions marketplace Kalshi announced a $1 billion Series G round led by Wellington Management and Sequoia Capital, setting a $40 billion post-money valuation. Kalshi reported annualized trading volume exceeding $1 trillion.

Bedrock Robotics, which develops autonomous systems for heavy equipment in construction, raised $600 million in Series C funding led by CapitalG and Emergence Capital. The San Francisco-based company now has total funding near $1 billion and a $4.1 billion post-money valuation.

Dren Bio closed on $350 million led by Juvia Group and Lightspeed Venture Partners to support advanced trials for its blood cancer therapies. The San Carlos, California-based company develops antibody therapeutics for cancer and autoimmune diseases.

Group 14 Technologies, a Woodinville, Washington battery materials manufacturer, picked up $169 million in Series D extension funding. The company announced plans to expand into Europe with a production facility in Sagunto, Spain.

Other notable rounds included Firehawk Aerospace, a Dallas-based propulsion technology developer, securing over $150 million in Series D at a $1.4 billion valuation. Serval, a San Francisco-based enterprise AI startup focused on coding agents, raised $150 million in Series C at a $3 billion valuation led by Sequoia Capital. General Compute, an AI cloud provider building infrastructure with inference chips from Cerebras Systems, SambaNova and Positron AI, picked up $100 million in Series A. Foundry Robotics in Emeryville raised $100 million in Series A for autonomous factory operations. Hex Technologies secured $100 million in new financing at a $1.2 billion valuation for its AI-native data analytics platform.