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Anthropic's $65B Mega-Round Towers Over a Quieter Week in Venture Funding

The AI powerhouse pulled in nearly two-thirds of the week's top 10 funding announcements, while the rest of the market saw modest activity across software, logistics, and emerging tech sectors.

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The Week’s 10 Biggest Funding Rounds: The Boring Co., Cognition And Motive Lead A Massive Week
The Week’s 10 Biggest Funding Rounds: The Boring Co., Cognition And Motive Lead A Massive Week

This week's venture capital landscape revealed a stark concentration of wealth at the top. Anthropic, the five-year-old generative AI firm, claimed the lion's share of attention by closing a Series H round worth $65 billion, catapulting its post-money valuation to $965 billion. The funding was led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital, with Capital Group, Coatue, D1 Capital Partners, GIC, Iconiq Capital and XN participating as co-leads.

Beyond Anthropic's blockbuster raise, the funding landscape proved considerably more subdued. The second-largest round of the week came in at just $1 billion—a stark 65-fold difference. This disparity underscores how venture capital increasingly concentrates among elite companies, particularly those in the artificial intelligence space.

Across other sectors, companies managed to secure meaningful though substantially smaller rounds. Cognition, which develops the Devin AI software engineer, closed a $1 billion funding round at a $26 billion valuation, led by Lux Capital, General Catalyst, and 8VC. The San Francisco-based startup's success reflects continued investor appetite for AI development tools.

The Week's Top 10 Funding Rounds

  1. Anthropic, $65 billion (Series H, foundational AI): The San Francisco-based generative AI company more than doubled its post-money valuation to $965 billion.
  2. Cognition, $1 billion (Series B, AI software development): The San Francisco-based creator of Devin, an AI software engineer, reached a $26 billion valuation.
  3. Stord, $250 million (Series F, logistics): The Atlanta-based fulfillment network and software platform for independent brands achieved an $3 billion valuation in its 11th year of operation.
  4. OpenRouter, $113 million (Series B, AI for developers): The New York-based AI model marketplace was backed by CapitalG.
  5. Corgi Insurance, $106 million (Series B1, insurtech): The San Francisco-based AI-native insurance platform for startups reached a $2.6 billion valuation, just three weeks after announcing a $160 million Series B at a $1.3 billion valuation.
  6. Thea Energy, $100 million (Series B, fusion energy): The Kearny, New Jersey-based fusion energy technology developer was backed by US Innovative Technology Fund, with proceeds directed toward manufacturing infrastructure.
  7. Garner Health, $100 million (Series E, healthcare data): The New York-based healthcare provider search platform closed on Index Ventures-led funding at a $2.74 billion valuation.
  8. Observable Space, $90 million (Series A, space tech): The Santa Monica, California-based optical systems developer raised capital from Lux Capital to scale manufacturing and advance its technology. The company also secured a $94 million contract with the U.S. Space Force.
  9. Reactor, $59 million (Series A, AI video): The San Francisco-based real-time generative video developer platform emerged from stealth with backing from Lightspeed Venture Partners.
  10. ClearNote Health, $52 million (Series D, cancer detection): The San Diego-based developer of early detection and monitoring tests for multiple cancer types was backed by founding investor Mattias Westman.

Methodology

This ranking tracks the largest announced funding rounds in the Crunchbase database for U.S.-based companies during the week of May 23-29. While the database captures most announced rounds, some reporting delays may occur as deals are disclosed later in the week.

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