GWG Holdings, which purchases and holds life insurance policies, filed on Friday with the SEC to raise up to $15 million in an initial public offering. The Minneapolis, MN-based company, which was founded in 2006 and booked $33 million in revenue for the fiscal year ended December 31, 2013, plans to list on the NASDAQ under the symbol GWGH. MLV & Co is the sole bookrunner on the deal. No pricing terms were disclosed.