United States Steel Corp $119,384 Marathon Oil Corp $39,444 PNC Financial Services Group Inc $1,123,607 PPG Industries Inc $274,910 Marathon Petroleum Corp $14,613,594 United States Steel Corp $119,384 Marathon Oil Corp $39,444 PNC Financial Services Group Inc $1,123,607 PPG Industries Inc $274,910 Marathon Petroleum Corp $14,613,594