Top 10 Funding Rounds: Agentic AI and Infrastructure Keep Surging

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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.

Artificial intelligence-related startup financings dominated the news once again this week. Leading the charge was Mirendil, a creator of agentic AI designed for R&D, which captured a $1 billion Series A. Following closely was Mercor, securing $750 million to connect human experts with AI developers.

While the overwhelming majority of the largest rounds this week were tied to AI, the mix also featured enterprise software, fintech, and biotech companies.

1. Mirendil, $1B, AI for R&D: San Francisco-based Mirendil, a developer of agentic AI technology built for research and development, pulled in $1 billion through a Series A round. Clearlake Capital and Kleiner Perkins led the financing.

2. Mercor, $750M, human-led AI training: Mercor—a platform linking AI developers with human experts for model evaluation and training—collected $750 million in a Series D round. Backed by numerous venture investors, the funding values the under-four-year-old San Francisco company at $20 billion.

3. Torus, $500M, AI infrastructure: Torus, a Salt Lake City manufacturer of distributed power and compute infrastructure, announced a growth financing worth $500 million, led by Magnetar Capital. The company also debuted Foundry, a modular AI infrastructure product tailored for inference compute.

4. (tied) Path Robotics, $300M, AI for manufacturing: Path Robotics, a creator of physical AI technology geared toward manufacturing and robotics—with initial expertise centered on welding—secured a $300 million Series E. Georgian led the round, pushing the valuation of the Columbus, Ohio enterprise to $2.45 billion.

5. (tied) LangChain, $300M, agentic AI: LangChain, the developer behind a platform used to govern, improve, and run AI agents, finalized a $300 million Series C round at a $3 billion valuation. CapitalG led the financing for the four-year-old San Francisco firm.

6. Nominal, $240M, hardware engineering tools: Nominal, a creator of intelligence software for hardware engineering, brought in $240 million at a $3 billion valuation. Insight Partners and Lightspeed Venture Partners led the round for the Austin startup.

7. (tied) Imprint, $130M, fintech: Imprint, a customer intelligence, loyalty, and payments platform serving brands, secured $130 million in fresh capital at a $1.9 billion valuation. Khosla Ventures led the round for the six-year-old New York enterprise.

8. (tied) Mavria, $130M, AI infrastructure: Mavria, a startup concentrating on standardizing the deployment, building, and development of AI infrastructure, officially launched and reported raising $130 million across pre-seed and seed financing to date. Led by Paradigm, the latest round values the startup—whose founders previously served at the U.S. Department of Energy—at $1 billion.

9. (tied) Delix Therapeutics, $100M, biotech: Delix Therapeutics, a firm stating it has “reverse-engineered and optimized psychedelics” to build treatments addressing psychological and psychiatric disorders, closed a $100 million Series C round. The Dementia Discovery Fund from SV Health Investors and Johnson & Johnson Innovation led the investment for the Bedford, Massachusetts-based business.

10. (tied) Rox, $100M, sales automation: San Francisco-based Rox, creator of an AI revenue agent built for enterprise sales, revealed a $100 million Series B round led by March Capital and General Catalyst.

11. (tied) Databento, $100M, financial market data: Databento, a financial data platform, brought in $100 million in a Series C round at a $1.1 billion valuation. Fifth Down Capital led the financing for the Salt Lake City company.

Methodology

We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of Nov. 7-13, 2026. Although most announced rounds are in the database, there may be a small time lag, as some rounds are reported late in the week.

Illustration: Dom Guzman

Frequently Asked Questions

What sector dominated this week’s top startup funding rounds?

Artificial intelligence-related startups—including agentic AI, AI infrastructure, and AI training platforms—dominated the vast majority of the week’s largest financing rounds.

Which company raised the largest funding round of the week?

Mirendil, a developer of agentic AI for research and development, led the pack with a $1 billion Series A funding round.

What is Mercor’s valuation following its latest funding?

Mercor secured $750 million in Series D funding, setting a $20 billion valuation for the San Francisco-based company.

Which non-AI sectors managed to make the top funding list?

Despite AI dominating the rankings, companies in fintech (Imprint), biotech (Delix Therapeutics), hardware engineering tools (Nominal), and financial market data (Databento) also secured spots on the top 10 list.

What date range does this weekly funding report cover?

The report tracks announced funding rounds raised by U.S.-based companies between November 7 and November 13, 2026.