The Week's 10 Biggest Funding Rounds: A Pair Of Billion-Dollar Deals For Cyber And AI Infrastructure Lead
AI once again dominated venture funding this week, claiming five of the 10 largest announced rounds, including a pair of billion-dollar financings for AI infrastructure and cybersecurity that led the pack. Marlize van Romburgh marlizevr Want to keep track of the largest startup funding deals in 2026 with our curated list of $100 million-plus venture deals to U. Check out The Crunchbase Megadeals Board .
Key Takeaways
- This is a weekly feature that runs down the week's top 10 announced funding rounds in the U.
- 21 billion to date, per Crunchbase .
(tied) SambaNova , $1B, AI infrastructure: Palo Alto, California-based SambaNova officially announced a long-awaited $1 billion Series F deal at an $11 billion post-money valuation led by General Atlantic .
- 5 billion to date, per Crunchbase .
Oratomic , $300M, quantum computing: Arch Venture Partners , Khosla Ventures and Spark Capital co-led a sizable $300 million Series A for South Pasadena, California-based quantum startup Oratomic.
- Quaise is developing millimeter-wave drilling technology to unlock deep geothermal energy, an emerging source of carbon-free power.
- The company develops simulation, risk management and optimization software for decentralized finance protocols.
Stats & Key Facts
- #AI once again dominated venture funding this week, claiming five of the 10 largest announced rounds, including a pair of billion-dollar financings for AI infrastructure and cybersecurity that led the pack.
- #AI once again dominated venture funding this week, claiming five of the 10 largest announced rounds, including a pair of billion-dollar financings for AI infrastructure and cybersecurity that led the pack.
- #Marlize van Romburgh marlizevr Want to keep track of the largest startup funding deals in 2026 with our curated list of $100 million-plus venture deals to U.
- #This is a weekly feature that runs down the week's top 10 announced funding rounds in the U.
This is a weekly feature that runs down the week's top 10 announced funding rounds in the U. Check out last week's biggest funding deal roundup here . AI once again dominated venture funding this week, claiming five of the 10 largest announced rounds, including a pair of billion-dollar financings for AI infrastructure and cybersecurity that led the pack.
Investors also continued to back quantum computing, geothermal energy, crypto infrastructure and aerospace startups with large checks. (tied) Keyfactor , $1B, cybersecurity: Keyfactor raised a $1 billion private equity round led by Summit Partners . Other investors in the private equity round for the Independence, Ohio-based company included Insight Partners and Sixth Street Growth .
Keyfactor provides digital identity and machine identity management software that helps enterprises secure certificates, encryption keys and connected devices. 21 billion to date, per Crunchbase . (tied) SambaNova , $1B, AI infrastructure: Palo Alto, California-based SambaNova officially announced a long-awaited $1 billion Series F deal at an $11 billion post-money valuation led by General Atlantic .
For more details please read the original article at Crunchbase News.
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