Kerkorian may increase ownership stake in MGM Resorts (LVRJ) March 14, 2013 at 11:42 am Howard Stutz, Las Vegas Review-Journal The private investment arm controlled by billionaire Kirk Kerkorian said in a regulatory filing Thursday it might increase its ownership stake in casino operator MGM Resorts International. Los Angeles-based Tracinda Corp., which currently owns 18.6 percent of MGM Resorts, said in a filing with the Securities and Exchange Commission, it might increase its ownership to 25 percent. Tracinda said in the filing it could purchase shares of MGM either on the open market or directly from third parties. Tracinda would purchase the stock during “trading windows” established by MGM Resorts. The next such window is expected to open on the third day following issuance of the company’s first quarter earnings, which wouldn’t take place until sometime in April at the earliest. Kerkorian, 95, is the founder of MGM Grand Corp., the company that preceded MGM Resorts. Through Tracinda, he remains the company’s largest shareholder. Kerkorian left the company’s board of directors in 2011. RBC Capital Markets gaming analyst John Kempf told investors the announcement could give a boost to MGM Resorts shares, which closed at $12.41 Wednesday on the New York Stock Exchange and were up about 5 percent this morning. “It is not definite that additional shares would be purchased,” Kempf said. “However, in our view, there would be no need to make this filing unless there was interest in (Tracinda) increasing its position.” Contact reporter Howard Stutz at email@example.com or 702-477-3871. Follow @howardstutz on Twitter.