Plains All American Pipeline LP $1,142,350 Equus Total Return Inc $3,361 Oasis Petroleum Inc. $1,287,652,940 Plains Gp Holdings Lp $450,026 Plains All American Pipeline LP $1,142,350 Equus Total Return Inc $3,361 Oasis Petroleum Inc. $1,287,652,940 Plains Gp Holdings Lp $450,026