Startup Fundraising

AI Capital Moves Into Orbit, Agents and Defense Tech

Saturday, August 1, 2026 · 11 min

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K2 Space raised $500 million at a $6.8 billion valuation as Index Ventures added $2 billion and AI-security startups Onyx, Act and Agon drew major rounds, showing VC money flowing into space infrastructure, agent control and defense AI.

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K2 Space raised $500 million at a $6.8 billion valuation as Index Ventures added $2 billion and AI-security startups Onyx, Act and Agon drew major rounds, showing VC money flowing into space infrastructure, agent control and defense AI.

In this episode

  1. Everyone else is shrinking satellites. K2 raised $500m to build giant ones, and put AI in orbit. — The Next Web

    Everyone else is shrinking satellites. K2 raised $500m to build giant ones, and put AI in orbit. Most satellite startups are racing to build smaller. K2 Space is going the other way, on purpose. Investors just handed it $500 million to keep going bigger. K2 raised a $500 million Series D at a $6.8 billion valuation, it said on Thursday. Kleiner Perkins and ICONIQ led the round, with Alphabet’s…

  2. Fresh off its Wiz payout, Index Ventures raises $2B across three funds | TechCrunch — TechCrunch

    Fresh off its Wiz payout, Index Ventures raises $2B across three funds | TechCrunch In Brief Posted: 12:39 PM PDT · July 31, 2026 Image Credits:Index Ventures # Fresh off its Wiz payout, Index Ventures raises $2B across three funds Index Ventures has raised $2 billion in fresh capital across three funds, the firm announced on Friday. The 30-year-old firm raised $400 million for its new…

  3. Israeli cyber startup raises $113m to secure and control autonomous AI agents | The Times of Israel — The Times of Israel

    Israeli cyber startup raises $113m to secure and control autonomous AI agents | The Times of Israel × Advertisement Homepage Team at AI security startup Onyx Security. (Courtesy of Netanel Tobias) Israeli cyber startup Onyx Security announced on Thursday that it has nabbed $113 million in funding to build a platform that lets humans stay in control, as advanced autonomous systems and smart…

  4. Act Security Launches With $60 Million To Reduce Cloud Access Attack Paths — Pulse 2.0

    Act Security Launches With $60 Million To Reduce Cloud Access Attack Paths Act Security Launches With $60 Million To Reduce Cloud Access Attack Paths Act Security has emerged from stealth with $60 million in funding and a cloud security platform designed to reduce the access paths that allow attackers to move through corporate infrastructure. The company raised a $20 million seed round led by…

  5. Agon raises $30mn to build Europe’s synthetic battlefield for defence AI — The Next Web

    Ex-Anduril founders raise $30mn to build Europe’s synthetic battlefield for defence AI A London startup building the training grounds for Europe’s autonomous weapons has come out of stealth with $30mn. It is one of the region’s largest defence-tech seed rounds this year. Agon is not building the weapons themselves. It is building the infrastructure that trains them: a synthetic combat arena for…