WGL Holdings Inc $0 AES Corporation $158,960 Convergys Corp $0 Northrop Grumman Corp $12,162,706 Booz Allen Hamilton Holding Corp $6,832,245 WGL Holdings Inc $0 AES Corporation $158,960 Convergys Corp $0 Northrop Grumman Corp $12,162,706 Booz Allen Hamilton Holding Corp $6,832,245