Wellington Management Group LLP grew its position in shares of Delta Air Lines, Inc. (NYSE:DAL – Free Report) by 220.2% in the fourth quarter, according to the company in its most recent 13F filing with the SEC. The fund owned 8,600,741 shares of the transportation company’s stock after buying an additional 5,914,301 shares during the quarter. Wellington Management Group LLP owned 1.34% of Delta Air Lines worth $346,008,000 as of its most recent filing with the SEC.