The Week’s 10 Biggest Funding Rounds: Large Rounds For AI Infrastructure, Space Tech And Investment Management Lead

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This is a weekly feature that runs down the week’s Top 10 announced funding rounds in the U.S. Check out last week’s biggest funding deal roundup here. After a week of multiple billion-dollar-plus rounds, startup investors have reduced the number of zeroes on their funding checks. This past week, the largest U.S. startup funding rounds were in the hundreds of millions, topped by a $550 million financing for AI infrastructure company Temporal Technologies and a $308 million investment in space vehicle developer Impulse Space. The remaining list of big rounds featured mostly AI-focused companies in sectors including investment management, networking, coding and marketing as well as some energy and biotech. Data center developer Crusoe, also made official its previously reported $3 billion-plus raise, co-led by Atreides Management, Valor Equity Partners and Mubadala Capital. 1. Temporal Technologies, $550M, AI infrastructure: Temporal Technologies, developer of an open source platform for building and operating long-running AI agents and other enterprise systems, secured $550 million in Series E funding at a $12.55 billion valuation. Lightspeed, Wellington Management, Goldman Sachs Alternatives, and Tiger Global led the financing for the Bellevue, Washington-based company. 2. Impulse Space, $308M, space tech: Redondo Beach, California-based Impulse Space, a developer of space vehicles for moving payloads across and between orbits, secured $308 million in Series D extension funding. The financing brings the combined round total to $808 million. 3. Ridgeline, $250M, investment management: Ridgeline, an AI-enabled investment management platform, picked up $250 million in a Series E funding round.