SA国际传媒

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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 featured a lot of funding deals with a lot of zeroes on the end. Generative AI powerhouse , of course, boasted the most zeroes with its $30 billion Series G, the second-largest venture funding round of all time. Other big fundraisers included robotics startup , fusion innovator , and space tech unicorn .

1. , $30B, Generative AI: Anthropic in a massive Series G funding round that values the San Francisco-based generative AI company at $380 billion post-money. The financing marks the largest venture funding deal of 2026 so far and the second-largest of all time, per SA国际传媒 data. and led the raise, which was also 鈥渃o-led鈥� by , , , and , according to the company.

2. , $520M, humanoid robots: AI-powered robotics company Apptronik added $520 million in new financing in an extension of its $415 million Series A raise in February 2025, The investment brings the total round to over $935 million for the Austin-based company.

3. , $450M, fusion energy: Livermore, California-based fusion power startup Inertia Enterprises announced that it secured $450 million in Series A funding. led the round for the 2-year-old company, joined by , and other backers.

4. , $350M, space tech: Axiom Space, a startup that is building a successor to the International Space Station and developing spacesuits for a moon mission, closed on $350 million in new financing. and led the round for the Houston-based company.

5. , $315M, AI: Runway, an AI research and technology startup, picked up $315 million in a Series E round. led the financing, which set a $5.3 billion valuation for the New York-based company, up from $3.3 billion last April.

6. , $210M, mental health: Talkiatry, a provider of in-network psychiatry services to health systems and employers, picked up $210 million in Series D funding, led by . The round brings total funding to date for the New York-based company to more than $400 million.

7. , $130M, healthcare: Redwood City, California-based Solace Health, a digital platform that connects patients with expert healthcare advocates, raised $130 million in Series C funding. led the financing, which set a valuation of over $1 billion for the 4-year-old company.

8. , $118M, healthcare: Garner Health, a digital platform that helps patients find healthcare providers, raised $118 million in Series D financing. led the round for the New York-based company.

9. (tied) , $100M, AI simulation: Palo Alto, California-based Simile, a startup focused on applying AI to create simulated environments and simulation tools with AI agents, raised $100 million in Series A funding led by .

9. (tied) , $100M, dog longevity: Loyal, a startup focused on drugs to extend healthy lifespans in senior dogs, raised $100 million in Series C funding that it says will provide the capital required to move from late-stage development to market readiness. Venture fund led the financing for the 7-year-old, San Francisco-based company.

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. 7-13. 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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