 Envestnet Asset Management Inc. boosted its holdings in NRG Energy, Inc. NYSE:NRG by 14.3 in the third quarter, Holdings Channel reports. The institutional investor owned 305,363 shares of the utilities providers stock after acquiring an additional 38,091 shares during the quarter. Envestnet Asset Management Inc.s holdings in NRG Energy were worth 9,387,000 as of its ... 