TL;DR
- Trump Jr. leads through 1789 Capital a $1B round in Polymarket, valuing the platform at $21B.
- The firm contributes an additional $300M to the $200M already invested, raising Polymarket’s valuation 40% from the previous $15B.
- The President’s family accumulates positions across different prediction markets: Trump Jr. advises both Polymarket and Kalshi, where he received shares worth over $300,000.
The venture capital firm of Donald Trump Jr., 1789 Capital, leads a $1 billion funding round in Polymarket that values the prediction markets platform at $21 billion. The information was confirmed by Alexa Henning, a spokesperson for the firm. The round represents a 40% jump from the previous valuation of $15 billion, recorded just months ago.
Of that total, 1789 Capital will contribute approximately $300 million, added to a pre-existing position of around $200 million. The platform competes in the prediction markets segment alongside Kalshi, where users can bet on outcomes ranging from what a president says in a speech to who gets married on a reality show. Both platforms recorded very strong and consistent growth over the past year.
Trump Jr. Bets on All Prediction Markets
The President’s family relationship with the prediction market continues to deepen. Trump Jr. took on an advisory role at Kalshi in 2025 and received shares valued at more than $300,000. Simultaneously, he serves in an advisory capacity at Polymarket, making 1789 Capital a player with direct interests in the two main competitors in the market.
The regulatory landscape also evolved in favor of both platforms. Michael Selig, appointed by President Donald Trump to lead the Commodity Futures Trading Commission, the body that regulates prediction markets, publicly praised these companies and initiated legal action against states that attempted to regulate them at the local level. In May, the president himself posted on Truth Social that prediction markets would thrive under his administration.
Money Flows Where the Presidential Family Points
The concentration of capital and political influence around Polymarket and Kalshi makes one thing clear: the Trump family built strategic positions in a segment that, at the same time, benefits from regulatory decisions made by the federal administration. The round led by 1789 Capital makes that connection evident and consolidates Polymarket as the best-capitalized platform in the sector.
