Andreessen Horowitz · San Francisco · California · Funding Round · Elon Musk · United Arab Emirates · Crunchbase News
The Week’s 10 Biggest Funding Rounds: The Boring Co., Cognition And Motive Lead A Large Week
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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.
Key facts
- 10. (tied) Celero Communications, $275M, AI networking infrastructure: Laguna Beach, California-based Celero Communications raised a $275 million Series C led by Atreides Management, CapitalG
- 8. (tied) Positron, $500M, AI infrastructure: Reno, Nevada-based Positron raised a $500 million Series C led by James Clark and NEA, with Qatar Investment Authority among its other investors
- 10. (tied) Encoded Therapeutics, $275M, biotechnology: South San Francisco, California-based Encoded Therapeutics raised a $275 million Series F led by Google Ventures, with investors including Arch
- Mach Industries, $600M, defense tech: Huntington Beach, California-based Mach Industries raised a $600 million Series C from investors including Ribbit Capital and Sequoia Capital
Summary
Want to keep track of the largest startup funding deals in 2026 with their curated list of $100 million-plus venture deals to U.S.-based companies? It was a monster week for U.S. startup funding, with four companies each raising $1 billion or more. Big checks also flowed to U.S. solar manufacturing, defense tech, legal AI and companies building the chips and networking infrastructure needed for artificial intelligence. The Boring Co., $3B, transportation and infrastructure: M usk’s Bastrop, Texas-based tunneling company raised a $3 billion Series D led by the United Arab Emirates, with participation from investors including Andreessen Horowitz, Sequoia Capital and Valor Equity Partners.