The Week’s 10 Biggest Funding Rounds: Waymo Leads An AI-Driven Lineup Of Large Financings

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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.

Startup investors offered fresh evidence once again that there is plenty of capital available for favored companies. Autonomous driving unicorn and robotaxi operator Waymo led the pack this week, with $16 billion in fresh funding at a $126 billion valuation. Other large round recipients were also overwhelmingly AI companies, with additional activity in aviation and space tech.

1. Waymo, $16B, autonomous driving: Waymo, the autonomous driving company spun out of Alphabet nearly 10 years ago, raised $16 billion in new funding at a $126 billion post-money valuation. Dragoneer Investment Group, DST Global and Sequoia Capital led the round, along with a long list of other investors. The Mountain View, California-based company says it plans to enter 20 more cities this year, including Tokyo and London.

2. Cerebras Systems, $1B, AI processors: Cerebras Systems, a developer of large, fast AI processors, closed a $1 billion Series H round. Tiger Global led the financing, which set a post-money valuation of approximately $23 billion for the Sunnyvale, California-based company.

3. ElevenLabs, $500M, AI audio: New York-based ElevenLabs, a developer of AI audio technology, secured a $500 million Series D round led by Sequoia Capital. The round sets an $11 billion valuation for ElevenLabs, more than tripling from a year ago. The company also reported over $330 million in annual recurring revenue last year.

4. Skyryse, $300M, aviation: Skyryse, an aviation hardware and software company developing an operating system for flight as well as aircraft called the Skyryse One, landed over $300 million in Series C funding at a valuation over $1 billion. Autopilot Ventures and Fidelity led the financing for the 10-year-old, El Segundo, California-based company.

5. (tied) Bedrock Robotics, $270M, construction robotics: Bedrock Robotics, a startup developing robotics technology for the construction industry, raised over $270 million in Series B funding. CapitalG and Valor Atreides AI Fund led the financing, which reportedly set a valuation around $1.75 billion for the roughly 2-year-old, San Francisco-based company.

5. (tied) CesiumAstro, $270M, space tech: Austin-based CesiumAstro, a provider of connectivity hardware and software for the space and defense industries, secured $270 million in Series C equity financing and $200 million in debt funding. Trousdale Ventures led the equity portion while Export-Import Bank of the United States and JP Morgan provided the debt.

7. Positron AI, $230M, AI infrastructure: Positron, a developer of energy-efficient AI inference hardware, picked up $230 million in Series B funding at a post-money valuation of more than $1 billion. Arena Private Wealth, Jump Trading and Unless co-led the financing for the Reno, Nevada-based company.

8. Fundamental, $225M, enterprise AI: Fundamental, a developer of AI models to build predictions from enterprise data, emerged from stealth and announced it raised a $225 million Series A led by Oak HC/FT. The San Francisco-based company, founded in 2024, also had a previously undisclosed $30 million seed round.

9. Tomorrow.io, $175M, weather technology: Boston-based Tomorrow.io, developer of an AI-native weather satellite constellation, closed on $175 million in equity financing led by Stonecourt Capital and HarbourVest. The company says it has fully deployed its first 13- satellite constellation.

10. Goodfire, $150M, AI research lab: AI research lab Goodfire raised $150 million in Series B funding at a $1.25 billion valuation. B Capital led the financing for the San Francisco-based startup.

Methodology

We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of Jan. 31-Feb. 6. Although most announced rounds are represented in the database, there could be a small time lag as some rounds are reported late in the week.

Illustration: Dom Guzman