Mark Shapiro and Ari Emanuel pose outside the New York Stock Exchange during the TKO Group Holdings' listing on September 12, 2023. Michelle Farsi/Zuffa LLC/Getty Images Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment MARI, the holding company founded by Ari Emanuel and Mark Shapiro, is expanding into collectibles.