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Despite bitter rivalry, Kalshi, Polymarket CEOs back $35M predictions markets VC fund

Reported by Techcrunch
Mar 23, 2026· 2 min read
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Key Takeaways
  • • $35M prediction market infrastructure fund launched: 5(c) Capital, led by former Kalshi employees Adhi Rajaprabhakaran and Noah Zingler-Sternig, is raising $35 million for its first fund focused on prediction market ecosystem development, targeting approximately 20 portfolio companies.
  • • Rival CEOs co-invest despite intense competition: Kalshi CEO Tarek Mansour and Polymarket CEO Shayne Coplan are both backing 5(c) Capital, signaling industry-wide conviction in prediction markets' infrastructure needs despite their fierce competitive rivalry.
  • • High-profile venture backing secured: The fund has attracted commitments from Marc Andreessen (via Moneta Luna) and Ribbit Capital founder Micky Malka, alongside the rival prediction market platforms.
  • • Prediction market platforms reach record valuations: Kalshi is raising $1 billion at a $22 billion valuation (doubling its $11 billion valuation from four months prior), while Polymarket is in discussions for a new round at approximately $20 billion valuation.
  • • Infrastructure focus drives fund strategy: 5(c) Capital will concentrate on category infrastructure including market makers and index designers, betting on "second-, third-, and fourth-order effects" of prediction market expansion.
Summary
The prediction market sector continues its rapid expansion with a notable show of unity among competitors. Despite one of the most intense rivalries in the fintech startup ecosystem, the CEOs of both Kalshi and Polymarket are co-investing in 5(c) Capital, a newly launched venture capital fund dedicated to the prediction market infrastructure category. The fund is raising $35 million for its first vehicle and plans to deploy capital across approximately 20 companies.

5(c) Capital is led by former Kalshi insiders—Adhi Rajaprabhakaran, a Kalshi trader, and Noah Zingler-Sternig, Kalshi's former head of operations. The fund's name references Section 5(c) of regulatory frameworks governing prediction markets. Beyond the rival CEOs, the fund has secured backing from prominent venture investors including Marc Andreessen (through his involvement with Moneta Luna) and Micky Malka, founder of Ribbit Capital. Kalshi confirmed Tarek Mansour's participation; Polymarket did not respond to requests for comment regarding Shayne Coplan's involvement.

The fund's investment thesis targets infrastructure-layer opportunities that benefit from prediction markets' growth. According to the fund's investment memo, 5(c) Capital seeks to back founders capitalizing on "second-, third-, and fourth-order effects" of the prediction market expansion, with particular focus on market makers and index designers that support the broader ecosystem.

This co-investment signals substantial confidence in the sector's durability despite ongoing competitive tensions. The timing coincides with significant valuation growth for both platforms: Kalshi is raising $1 billion at a $22 billion valuation, representing a 100% increase from its $11 billion valuation achieved less than four months prior. Polymarket is simultaneously in advanced discussions for a new funding round that would value the platform at approximately $20 billion. These parallel fundraisings underscore the institutional capital flood into prediction markets as regulatory clarity improves and market adoption accelerates.

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Techcrunch Despite bitter rivalry, Kalshi, Polymarket CEOs back $35M predictions markets VC fund