Among these funds, Renaissance Technologies held the most valuable stake in The Southern Company (NYSE:SO), which was worth $506.4 million at the end of the second quarter. On the second spot was Zimmer Partners which amassed $66 million worth of shares. Moreover, AQR Capital Management, GLG Partners, and D E Shaw were also bullish on The Southern Company (NYSE:SO), allocating a large percentage of their portfolios to this stock.