Shares of Mixed Martial Arts Group Ltd. surged on Tuesday after the company announced that Donald Trump Jr. would be joining as a strategic adviser.

The move marks a significant boost for the combat-sports business, which trades as MMA Inc., and underscores the deepening ties between the Trump family and the world of mixed martial arts.

Trump Jr. to provide strategic counsel

In a statement, MMA Inc. said Trump Jr. will provide counsel to the company’s board and management team, with a focus on enhancing global recognition of the brand and accelerating the commercialization of its combat sports platforms.

His role will also cover technology, training programs, and fan engagement infrastructure.

The company highlighted Trump Jr.’s technology and media expertise, gained through his position as a director at Trump Media & Technology Group Corp., operator of the Truth Social platform.

MMA Inc. said his background would be “invaluable” as it scales its business following new partnerships, including a recent deal with UFC Gym Group.

Trump Jr. will also collaborate with high-profile investor Conor McGregor, who is both a celebrity in the combat-sports world and a backer of MMA Inc.

Stock doubles after announcement

The market reacted strongly to the announcement. MMA Inc. stock more than doubled in value, gaining 116% in trading and positioning itself for its biggest one-day rise since going public in March 2024.

The surge also put the stock on track to close above $1 for the first time since August 1.

By midday, shares were up 142%, giving investors a rare rally in a stock that has otherwise struggled this year.

Before Tuesday’s surge, MMA Inc. had lost nearly 40% of its value year-to-date, compared with a 10.4% gain in the S&P 500 index over the same period.

The stock closed Monday’s session at 85 cents.

The gains highlight the market’s enthusiasm over Trump Jr.’s involvement, with investors betting his profile and network could help the company achieve broader recognition and growth.

Deepening links between Trump and combat sports

The appointment also underscores long-running connections between the Trump family and combat sports.

UFC Chief Executive Dana White is a well-known ally of President Donald Trump, who has attended multiple UFC events.

White’s close ties to the former president were further highlighted with plans for a UFC fight to be held at the White House lawn next year.

Trump Jr.’s advisory role at MMA Inc. comes amid his expanding presence in the business and technology space.

Last month, Polymarket announced Trump Jr. had joined its advisory board.

His venture capital firm, 1789 Capital, also made a strategic investment in Polymarket, though the terms of the deal were not disclosed.

For MMA Inc., Trump Jr.’s appointment could mark a turning point.

By leveraging his media background, political profile, and high-level connections, the company is seeking to expand its footprint in the global combat sports industry while boosting investor confidence after months of stock market underperformance.

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