The fund owned 12,460 shares of the utilities provider’s stock after selling 602 shares during the period. Vanguard Group Inc. now owns 34,314,121 shares of the utilities provider’s stock worth $3,445,138,000 after purchasing an additional 979,928 shares during the last quarter. Invesco Ltd. now owns 4,658,775 shares of the utilities provider’s stock valued at $467,741,000 after acquiring an additional 646,000 shares during the last quarter. Alliancebernstein L.P. now owns 3,576,385 shares of the utilities provider’s stock valued at $359,069,000 after acquiring an additional 1,218,509 shares during the last quarter. The company operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission.