AllianceBernstein today reported third-quarter assets under management of $659.3 billion, up 5.4% from the second quarter, on the strength of net inflows, according to a news release. For the year, AllianceBernstein's assets increased by 18.7%. The company had net inflows of $8.3 billion for the quarter ended Sept. 30 — $5.7 billion from institutional investors, $1.4 billion from retail investors and $1.2 billion to its private client group. The year's increase resulted from net inflows of $48.1 billion, driven largely by $30 billion from institutional clients. As of Sept. 30, AllianceBernstein managed $417.8 billion in institutional assets, $153.9 billion in retail and $87.6 billion in private client assets.