Want to keep track of the largest startup funding deals in 2025 with our curated list of $100 million-plus venture deals to U.S.-based companies? Check out The SA国际传媒 Megadeals Board.
This is a weekly feature that runs down the week鈥檚 top 10 announced funding rounds in the U.S. Check out last week鈥檚 biggest funding deal roundup here.
This week鈥檚 largest U.S. funding rounds once again featured an AI-heavy cohort, along with sizable financings around fintech and energy tech. By far the largest deal was a $1 billion financing for , developer of AI models that interact with the 3D world, followed by a $385 million round for savings platform .
1. , $1B, spatial AI: San Francisco-based World Labs, a startup founded by AI pioneer that develops foundational models to generate and interact with the 3D world, raised $1 billion in fresh funding. Investors in the round include , , , , and .
2. , $385M, fintech: Vestwell, an online provider of multiple types of savings accounts and tools, raised $385 million in Series E funding at a reported $2 billion valuation. and led the financing for the 10-year-old, New York-based company.
3. , $300M, workflow management and fault tolerance: Bellevue, Washington-based Temporal Technologies, a provider of tools that allow developers to make workflows more reliable and fault-tolerant, closed on $300 million in Series D funding. led the financing, which set a $5 billion valuation for the 7-year-old company.
4. , $140M, energy tech: Heron Power, a developer of hardware designed to move electricity from renewable sources into the grid and data centers, picked up $140 million in a funding round backed by and . The Scotts Valley, California-based company is founded by former SVP .
5. , $125M, AI coding: Code Metal, a provider of verifiable code translation tools, raised $125 million in Series B financing led by 1. The round comes just three months after the Boston-based startup secured its Series A.
6. (tied) , $100M, cloud for developers: Render, a cloud provider for application development teams, secured $100 million in Series C extension funding. led the financing for the San Francisco-based company, which said it now has over 4.5 million developers on its platform.
6. (tied) , $100M, clean energy: Houston-based Utility Global, developer of a technology to produce hydrogen and capturable carbon from industrial gases, raised $100 million in Series D funding. and led the financing for the 8-year-old company.
6. (tied) , $100M, location tracking: ZaiNar, developer of a technology for wireless networks to sense the location of things without satellites, cameras or heavy compute power, emerged from stealth and disclosed that it has drawn over $100 million in investment to date and a valuation of over $1 billion. Backers in the Belmont, California-based company include , , and .
9. , $80M, fintech: Salt Lake City-based Jump, developer of an AI agent for financial advisers and financial services providers, raised $80 million in a Series B round led by .
10. , $80M, AI observability: San Francisco-based Braintrust, a developer of AI observability software for development teams, raised $80 million in a Series B round led by .
Methodology
We tracked the largest announced rounds in the SA国际传媒 database that were raised by U.S.-based companies for the period of Feb. 14-20. 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:
Stay up to date with recent funding rounds, acquisitions, and more with the SA国际传媒 Daily.


67.1K Followers