Par Capital Management Inc. boosted its stake in shares of American Airlines Group Inc. (NASDAQ:AAL – Free Report) by 0.4% in the 4th quarter, according to its most recent Form 13F filing with the SEC. The fund owned 2,510,600 shares of the airline’s stock after purchasing an additional 10,600 shares during the period. American Airlines Group accounts for about 1.1% of Par Capital Management Inc.’s investment portfolio, making the stock its 17th biggest…















