Plains All American Pipeline LP $1,149,170 Equus Total Return Inc $3,361 Oasis Petroleum Inc. $1,260,480,812 Plains Gp Holdings Lp $451,036 Plains All American Pipeline LP $1,149,170 Equus Total Return Inc $3,361 Oasis Petroleum Inc. $1,260,480,812 Plains Gp Holdings Lp $451,036