U.S. startup funding shifts to large AI, space and fintech rounds

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Startup funding shifts to AI, space, fintech

Highlights

Temporal Technologies leads U.S. startup fundraising with a $550 million Series E at a $12.55 billion valuation, backed by Lightspeed and Goldman Sachs Alternatives.
Impulse Space secures a $308 million Series D extension, bringing its total round to $808 million for payload transport technology in orbital missions.
Investor demand remains concentrated in AI infrastructure, software, and computing markets, with multiple firms raising $150 million or more despite a pullback from previous multi-billion-dollar rounds.

Top rounds led by AI infrastructure and space

As reported by Crunchbase News, Temporal Technologies leads the week's largest U.S. startup financings with a $550 million Series E that values the Bellevue, Washington-based AI infrastructure company at $12.55 billion. Lightspeed, Wellington Management, Goldman Sachs Alternatives and Tiger Global lead the financing for the developer of an open source platform used to build and operate long-running AI agents and other enterprise systems.

Impulse Space follows with a $308 million Series D extension for its space vehicle business in Redondo Beach, California. The funding brings that company's combined round total to $808 million as investors continue backing payload transport technology for orbital missions.

Ridgeline ranks third with a $250 million Series E round that values the Incline Village, Nevada-based investment management platform at $1.45 billion. Cornelis Networks adds $205 million for networking technology tied to AI and high-performance computing workloads, while Factory announces a $200 million round at a $5 billion valuation for its enterprise software development tools.

AI remains the main investment theme

Profound raises $180 million in Series D funding at a $1.8 billion valuation for its AI marketing software, with Sequoia Capital and Kleiner Perkins leading the round. Arcee AI also brings in $150 million in Series B funding at a valuation above $1 billion, underscoring investor appetite for foundational AI model developers.

Outside core AI, Nex secures $150 million in new equity and debt financing for motion-based family gaming, although the company does not disclose how much of the round is equity. Mazama Energy raises $135 million for superhot rock geothermal power development, and Sling Therapeutics closes a $123 million Series C round for its thyroid eye disease therapy.

The week's broader funding list also includes Crusoe, which makes official its previously reported raise of more than $3 billion, co-led by Atreides Management, Valor Equity Partners and Mubadala Capital. Even as check sizes come down from multiple billion-dollar-plus rounds a week earlier, investor demand remains concentrated in AI-related infrastructure, software and adjacent computing markets.

Our earlier coverage of AI- and tech-driven megatrends outlined how investors are increasingly focused on interconnected sectors such as AI, cloud computing, big data and cybersecurity as structural growth themes. We also noted that ongoing spending on AI compute and networking infrastructure can translate into opportunities for companies tied to data center and connectivity demand, alongside other industrial and defense-related tailwinds.

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