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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.

It was going to be a fairly business as usual top 10 list this week until decided to disrupt our Friday with news that it raised $110 billion in new funding. Yes, $110 billion. That is so much money, and so record-setting as a private company funding round, that it makes all those other $100 million and $200 million rounds we usually write about look very paltry by comparison.

That said, we did nonetheless see a number of these kinds of rounds, in sectors including semiconductors, AI, healthcare and biotech.

1. , $110B, artificial intelligence: Generative AI giant OpenAI that it has raised $110 billion in new investment at a valuation of $730 billion pre-money, or $840 billion post-money. The deal includes $50 billion from , $30 billion from , and $30 billion from . San Francisco-based OpenAI says more investors are expected to join as the round progresses.

2. (tied) , $500M, semiconductors: MatX, a startup that designs custom chips and hardware architectures to support large language models, secured $500 million in Series B funding as it prepares to scale manufacturing. and led the financing for the Mountain View, California-based company.

2. (tied) , $500M, broadband: Boulder, Colorado-based Vero Networks, a fiber infrastructure and broadband internet provider, picked up $500 million in a growth funding round backed by , and .

4. , $240M, fusion: Janesville, Wisconsin-based Shine Technologies, a developer of fusion technologies with applications in the medicine and energy sectors, raised $240 million in equity funding led by .

5. , $150M, hardware testing tools: Revel, developer of a software platform for hardware test and control, closed on $150 million in Series B funding. led the financing for the Los Angeles-based company, which plans to expand its offerings across aerospace, defense, robotics and industrial sectors.

6. , $140M, healthcare: Nashville, Tennessee-based Honest Health, a provider of tech-enabled tools for primary care providers, secured $140 million in a new financing led by .

7. , $130M, biotech: Slate Medicines, a startup working on therapeutics for headache disorders, announced its launch alongside $130 million in Series A financing. , and led the investment for the Raleigh, North Carolina-based company.

8. , $106M, smart infrastructure: Fort Lauderdale, Florida-based Ubicquia, provider of an analytics platform for smart lighting, grid monitoring and public safety applications, raised $106 million in Series D funding. and led the financing for the 12-year-old company.

9. (tied) , $100M, AI-enabled accounting: Basis, an AI agent platform for accountants, closed on $100 million in Series B funding at a $1.15 billion valuation. led the round for the New York-based startup, along with , and .

9. (tied) , $100M, satellite and network communication: spinout Aalyria, a developer of software that configures communications satellites to meet demand, secured $100 million in Series B funding. and led the financing for the Livermore, California-based company.

9. (tied) , $100M, smart glasses: Viture, a San Francisco-based maker of extended reality (XR) smart glasses and accessories, says it $100 million in a financing led by .

Methodology

We tracked the largest announced rounds in the SA¹ú¼Ê´«Ã½ database that were raised by U.S.-based companies for the period of Feb. 21-27. 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.

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