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Floodgate is a seed-stage venture capital firm founded in 2006 by Mike Maples Jr. and Ann Miura-Ko, based in Menlo Park, California. The firm manages a fund size of $146 million and has made 422 investments with 103 exits. Both founders are recognized on the Forbes Midas List, with Mike being an author of the 2024 bestseller 'Pattern Breakers' and Ann holding a PhD from Stanford in cybersecurity math modeling.
Floodgate invests between $150K and $1M in pre-seed and seed-stage startups, focusing on sectors like AI, consumer technology, fintech, healthcare, and SaaS. The firm employs Mike Maples' 'Inflection Theory' framework to identify founders who are navigating significant technological or market shifts. Their intentionally small fund sizes, typically around $75-150 million, are designed to optimize for outsized returns in seed-stage investing.
Notable companies in Floodgate's portfolio include Twitter, Lyft, Okta, Chegg, and TaskRabbit. Recent investments include Hebbia, Counsel Health, and SmarterDX, which is projected to have a $1B+ exit in 2025. Other recent deals are Bluejay ($4M Seed), Plug ($6.7M Seed), and Replenysh ($8M Series A).
Mike Maples Jr. — Co-Founder, 8x Forbes Midas List member, author of 'Pattern Breakers' (2024 bestseller). Ann Miura-Ko — Co-Founding Partner, Forbes Midas List member, PhD from Stanford in cybersecurity math modeling, ranked #6 on the 2024 Midas Seed List.
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As of August 2025: Floodgate has made recent investments in AI-focused companies such as Hebbia and Counsel Health. Notably, SmarterDX is projected to achieve a $1B+ exit in 2025.
Floodgate focuses on backing 'Prime Movers' at the seed stage, utilizing the 'Inflection Theory' framework to identify startups that are poised to capitalize on significant market shifts.
The firm currently manages a fund size of $146 million, which is intentionally kept small to maximize seed-stage return potential.
Yes, Floodgate typically leads seed and pre-seed rounds, investing between $150K and $1M in startups.
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