Baltimore Orioles Sell Minority Stake to Investor Mark Ein

The Baltimore Orioles are controlled by an ownership group led by Carlyle Group co-founder David Rubenstein.

Photographer: Doug Pensinger/Allsport/Getty Images

Investor Mark Ein has expanded his portfolio of sports investments by acquiring a minority stake in Major League Baseball’s Baltimore Orioles, the team confirmed on Thursday.

The size of Ein’s stake wasn’t disclosed.