Daily Summary of AI Startup Funding News (December 12, 2025)
Recently Closed Funding Rounds
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Kalshi
- Funding Round: Series E
- Amount: $1 Billion
- Valuation: $11 Billion
- Location: New York, NY
- Funding Date: December 2, 2025
- Investors: Paradigm (Lead), Sequoia Capital, Andreessen Horowitz, Meritech, IVP, ARK Invest, Anthos, CapitalG, Y Combinator
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Fluidstack
- Funding Round: Growth Round
- Amount: $700 Million
- Valuation: $7 Billion
- Location: New York, NY
- Funding Date: December 4, 2025
- Investors: Situational Awareness (Lead), Google (In Discussions), Goldman Sachs (Banker)
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Eon
- Funding Round: Series D
- Amount: $300 Million
- Valuation: $4 Billion
- Location: New York, NY
- Funding Date: December 4, 2025
- Investors: Gil Capital / Elad Gil (Lead), Sequoia Capital, Lightspeed Venture Partners, Greenoaks Capital, BOND
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Black Forest Labs
- Funding Round: Series B
- Amount: $300 Million
- Valuation: $3.25 Billion
- Location: Freiburg / San Francisco
- Funding Date: December 1, 2025
- Investors: Salesforce Ventures (Co-Lead), AMP (Co-Lead), a16z, NVIDIA, Northzone, Creandum, Earlybird VC, BroadLight Capital, General Catalyst, Temasek, Bain Capital Ventures, Air Street Capital, Visionaries Club, Canva, Figma Ventures
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Harvey
- Funding Round: Series F
- Amount: $160 Million
- Valuation: $8 Billion
- Location: United States
- Funding Date: December 5, 2025
- Investors: Andreessen Horowitz (Lead), T. Rowe Price, WndrCo, Sequoia, Kleiner Perkins, EQT, Elad Gil, OpenAI Startup Fund
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Castelion
- Funding Round: Growth Round
- Amount: $200 Million
- Location: United States
- Funding Date: December 3, 2025
- Investors: Defense technology and manufacturing investors
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Curative
- Funding Round: Series B
- Amount: $150 Million
- Valuation: $1.27 Billion
- Location: Austin, TX
- Funding Date: December 3, 2025
- Investors: Upside Vision Fund (Lead), Healthcare and fintech investors
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Angle Health
- Funding Round: Series B
- Amount: $134 Million
- Total Raised: Nearly $200 Million
- Location: San Francisco, CA
- Funding Date: December 3, 2025
- Investors: Portage Ventures (Lead), Health benefits and AI investors
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TRIANA Biomedicines
- Funding Round: Series B
- Amount: $120 Million
- Location: Lexington, MA
- Funding Date: December 3, 2025
- Investors: Life sciences and biotech investors
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Antithesis
- Funding Round: Series A
- Amount: $105 Million
- Location: New York, NY
- Funding Date: December 3, 2025
- Investors: Jane Street (Lead), Amplify Venture Partners, Spark Capital, Patrick Collison (Stripe Co-founder)
Startups Currently Raising Funds
No specific details available for startups currently raising funds.
Summary
This update captures essential details about the recent funding activity in the AI startup landscape, highlighting significant investments and ongoing strong interest in AI innovation.
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