who owns seattle mariners

The Seattle Mariners are currently owned by John W. Stanton, who became the majority owner and chairman after Nintendo of America sold its majority stake in 2016. Stanton owns up to 90% of the team through the ownership group First Avenue Entertainment LLLP and serves as the CEO, leading the team's business and operational aspects. Before Stanton, Nintendo held the majority ownership, having purchased the team in 1992. The team has a history of various owners, but Stanton is the key figure in the current ownership structure.