Mirendil Leads Massive Week With $1 Billion As AI Startups Pull Huge Funding

Artificial intelligence and infrastructure startups continued to attract massive sums from investors in the United States. A new report highlights the top funding deals for the week, showing that AI projects captured the vast majority of the largest financial rounds.

The Largest Funding Rounds

Mirendil took the top spot with a $1 billion Series A funding round. The San Francisco company builds agentic AI technology for research and development. Kleiner Perkins and Clearlake Capital led the investment. Mercor followed with a $750 million Series D round, valuing the platform at $20 billion. Mercor connects artificial intelligence developers with human experts for model training.

Other notable rounds included Torus, which secured $500 million for distributed power and compute infrastructure. Path Robotics and LangChain each raised $300 million. Path Robotics focuses on physical AI for manufacturing, while LangChain provides a platform to run and govern AI agents.

Sectors Beyond Artificial Intelligence

While AI projects dominated the list, other sectors also secured large investments. Nominal raised $240 million for hardware engineering intelligence tools. Imprint landed $130 million for its payment and customer loyalty platform. In the biotech sector, Delix Therapeutics closed on $100 million in Series C funding to develop treatments for psychiatric disorders using optimized compounds.

• Mirendil secured the largest deal with a $1 billion Series A.
• Mercor reached a $20 billion valuation after raising $750 million.
• Startups in biotech, fintech, and hardware also captured significant funding.