 Alliancebernstein L.P. lifted its holdings in Liberty Broadband Corp Series C NASDAQ:LBRDK by 63.2 in the 1st quarter, HoldingsChannel.com reports. The fund owned 109,713 shares of the companys stock after buying an additional 42,501 shares during the period. Alliancebernstein L.P.s holdings in Liberty Broadband Corp Series C were worth 12,147,000 at the end of the ... 