AE Wealth Management LLC increased its stake in shares of United Airlines Holdings, Inc. (NASDAQ:UAL – Get Rating) by 15.1% during the first quarter, according to its most recent disclosure with the Securities and Exchange Commission. The firm owned 83,844 shares of the transportation company’s stock after acquiring an additional 11,010 shares during the quarter. AE Wealth Management LLC’s holdings in United Airlines were worth $3,887,000 at the end of the…