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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 ºìÌÒÊÓƵ Megadeals Board.

This is a weekly feature that runs down the week’s top 10 announced funding rounds in the U.S. Check out the biggest funding rounds of last week here.

Although there were a handful of nine-figure rounds this week, funding news, in general, seemed quiet. No round topped $200 million, and even one of the large rounds was a down round. Quite the change from last week, which saw the biggest venture investment ever and 11 rounds hit $100 million or more.

1. , $200M, energy: Battery startup Base Power raised a $200 million Series B as the startup looks to expand nationally. The round was led by . The Austin, Texas-based startup installs residential backup power systems — designed to charge batteries specifically when electric prices are low. Founded in 2023, the company has raised $268 million, .

2. , $168M, biotech: The intersection of AI and biotech is big right now and this week gave another example of how big. Irving, Texas-based Caris Life Sciences, which is developing medicine through molecular profiling and the application of advanced AI and machine learning algorithms, raised a $168 million growth round led by . Founded in 2018, the company has raised $1.9 billion, .

3. , $121M, biotech: Biotech startup Merida Biosciences launched this week. The Cambridge, Massachusetts-based firm, which is developing  therapeutics designed to selectively eliminate the pathogenic antibody drivers of multiple autoimmune and allergic diseases, announced it also had collected $121 million in a Series A financing co-led by , and .

4. , $115M, simulation: Digital engineering platform Rescale locked up a $115 million Series D. The San Francisco-based startup provides a digital engineering platform that integrates cloud computing resources, intelligent data management tools, and applied AI to accelerate modeling and simulation. No lead investor was disclosed, but those participating include and . Founded in 2011, Rescale has raised more than $260 million, per the company.

5. , $106M, autonomous driving: Nuro, a developer of autonomous driving technology and software, raised $106 million in an ongoing Series E that values the company at $6 billion. The new deal would represent a cut from the $8.6 billion it was valued at in 2021 after raising a $600 million Series D led by . Since that round, the Mountain View, California-based company has faced major challenges including and a change in business strategy, moving away from its delivery vehicles for packages to now licensing its autonomous driving software. Founded in 2016, Nuro has raised $2.2 billion to date, per the company.

6. , $77M, aerospace: El Segundo, California-based Amca, which develops critical aerospace and defense products, launched with a $76.5 million initial funding round. No lead investor was announced, but investors include and

7. (tied) , $75M, drones: Brinc Drones, a Seattle-based manufacturer of emergency response drones, raised a $75 million round led by . Founded in 2017, the company has raised $157 million, .

7. (tied) , $75M, fintech: Santa Monica, California-based Rain, which offers early wage access and financial wellness information, locked up a $75 million Series B led by . Founded in 2019, the company has raised nearly $504 million in debt and equity, .

9. , $62M, cybersecurity: New York-based Incident.io, an incident management platform, locked up a $62 million Series B led by . Founded in 2021, the company says it has raised more than $96 million.

10. , $60M, database: Tessell, offering database-as-a-service, announced a $60 million Series B led by . Founded in 2021, San Francisco-based Tessell has raised $94 million, per the company.

Big global deals

The biggest raise this week came from our neighbors to the north.

• Canada-based cybersecurity firm raised a $160 million Series C that values the company at $1.5 billion.

Methodology

We tracked the largest announced rounds in the ºìÌÒÊÓƵ database that were raised by U.S.-based companies for the seven-day period of April 5 to April 11. 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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