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Trump Jr.’s 1789 Capital Invests in Polymarket as He Joins the Company’s Advisory Board

The deal strengthens Polymarket’s push for regulated U.S. access through its QCEX license during a period of rapid growth.

Donald Trump Jr. speaks to media at Trump Tower in New York City, U.S., June 16, 2025. REUTERS/Eduardo Munoz/File Photo
Arizona Republic
Photo: Gade Skidmore
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Overview

  • Polymarket announced a strategic investment from 1789 Capital and said Donald Trump Jr. has joined its advisory board.
  • Terms were not disclosed, but a source told Reuters the investment was in the double-digit millions of dollars.
  • Polymarket recently bought CFTC-licensed exchange QCEX for $112 million, positioning the platform to pursue legally compliant U.S. operations while it still blocks U.S. users.
  • Trump Jr. also serves as a paid strategic advisor to rival Kalshi, creating overlapping ties across the two leading prediction markets.
  • The company reported $6 billion in trades in the first half of 2025 and was valued around $1 billion in a Founders Fund–led round, with reports that DOJ and CFTC probes into the firm have recently closed.