Bernzott Capital Advisors lifted its stake in shares of Air Transport Services Group, Inc. (NASDAQ:ATSG – Get Rating) by 0.4% in the first quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund owned 1,264,067 shares of the transportation company’s stock after acquiring an additional 5,406 shares during the quarter. Air Transport Services Group makes up 3.9% of Bernzott Capital Advisors’ holdings, making the stock its 3rd biggest holding.