Trump Jr's firm leads $1 billion Polymarket raise at $21 billion value: Report

Donald Trump Jr.'s firm is leading a $1 billion funding round for prediction market Polymarket, contributing $300 million and boosting the company's valuation to $21 billion. This investment highlights the Trump family's increasing involvement in the prediction market sector, which has also received support from President Donald Trump and his administration.
Why it matters
This significant investment signals growing mainstream financial interest in prediction markets and underscores the political influence and support the industry is receiving from prominent figures like the Trump family, potentially shaping its regulatory future and broader acceptance.
The firm is contributing about $300 million, spokesperson Alexa Henning said, on top of roughly $200 million it had already invested. Polymarket was last valued at about $15 billion, meaning the round lifts it 40% in a matter of months.
Polymarket and rival Kalshi let users bet on outcomes ranging from what a president says in a speech to who gets married on a reality show, and both have grown sharply over the past year.
The Trump family's stake in the sector has grown alongside it. Trump Jr became an adviser to Kalshi in 2025 and received shares worth more than $300,000, and separately advises Polymarket.
President Donald Trump has moved in the industry's favour over the same period. Michael Selig, his appointee to run the Commodity Futures Trading Commission, which regulates prediction markets, has praised the companies and sued states attempting to regulate them.
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