Billionaire Mark Cuban has entered Major League Baseball with a minority investment in the Athletics, his new sports investment vehicle Harbinger Sports Partners announced on July 23. The deal comes as the franchise prepares to relocate to a $2 billion domed stadium under construction on the Las Vegas Strip, slated to open in 2028.
Cuban, who spent two decades as a prominent NBA owner, said, “We are minority investors looking to make our investors a lot of money.” Harbinger’s involvement marks the firm’s first completed investment since launching in May 2025 and positions it alongside other private‑equity moves in MLB, such as Sixth Street’s 10 % stake in the San Francisco Giants and Arctos Partners’ holdings in six teams.
Harbinger brings heavyweight sports experience to its first Athletics deal
The group is led by Rashaun Williams, a minority owner of the NFL’s Atlanta Falcons and chief investment officer; Steve Cannon, co‑founder and chief executive, who also serves as vice chairman of AMB Sports and Entertainment; and Jonathan Mariner, managing partner and former MLB chief financial officer who negotiated the deal. Harbinger has raised more than $460 million toward a $750 million target and aims for 10 to 12 franchise investments.
A $2 billion stadium and Las Vegas anchor the Athletics’ investment thesis
The impending Las Vegas relocation is central to Harbinger’s rationale. The domed ballpark on the former Tropicana Hotel site broke ground in June 2025 and is rapidly taking shape. “All of the money required to build the stadium was already committed two years ago…Fisher definitely doesn’t need our money,” Williams said in a blockquote, emphasizing that the investment is not a rescue.
All of the money required to build the stadium was already committed two years ago…Fisher definitely doesn’t need our money. We’re not coming to bail anyone out by any means
Luxury suites are already sold out and 80 % of behind‑home‑plate season‑ticket packages have been purchased. Nevada and Clark County have pledged up to $380 million in public financing toward the venue’s total cost. Williams framed the deal as part of a long‑term strategy focused on Las Vegas’s growing sports market. “Las Vegas represents one of the greatest sports investment opportunities of our generation,” he added.
MLB franchise values are climbing at their fastest pace in five years
The average MLB team is now worth $3.17 billion, reflecting a 12 % year‑over‑year increase—the largest single‑year jump since Sportico began publishing annual valuations in 2021. The 30 clubs collectively exceed $95 billion, with the Yankees at $9.4 billion leading the league. Private‑equity firms and high‑profile individuals like Cuban are accelerating their push into the sport.
Sixth Street acquired a 10 % stake in the San Francisco Giants, while Arctos Partners now holds positions in six MLB teams. Baseball remains relatively undervalued compared with the NBA and NFL, trading at 7.2 times revenue versus 13.5 times for the NBA and 10.3 times for the NFL, a valuation gap that draws capital allocators.
Sports franchise returns have beaten public equities for over 60 years
The Ross‑Arctos Sports Franchise Index, which tracks hundreds of control and non‑control transactions in the NFL, NBA, MLB and NHL since 1960, shows that North American franchise values have compounded at 13 % annually over six decades—outpacing equities by 2.5 percentage points per year. In the most recent one‑year period, returns reached 16.9 %, topping almost every other asset class except media and entertainment.
Everyday investors still face barriers to sports franchise exposure
Direct franchise ownership remains limited to investors writing checks in the tens of millions, and each transaction requires league approval. For retail investors, the closest proxy is exposure through media‑rights companies, stadium‑adjacent REITs, and sports‑betting operators. Sports‑focused ETFs also provide an accessible entry point to the broader sports‑business ecosystem without needing league permission.
Cuban’s stake in the Athletics signals more than a single baseball team’s move to Nevada; it underscores institutional confidence that MLB’s valuation discount relative to the NBA and NFL may not persist. Sophisticated investors positioning themselves for this convergence are likely to reap gains as the league’s pricing aligns with its peers.
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