 Alliancebernstein L.P. trimmed its holdings in NMI Holdings Inc NASDAQ:NMIH by 51.9 in the 4th quarter, according to the company in its most recent filing with the Securities and Exchange Commission SEC. The institutional investor owned 164,866 shares of the financial services providers stock after selling 178,050 shares during the quarter. Alliancebernstein L.P. owned about ... 