Cameron International Corp $0 Calumet Specialty Products Partners, L.p. $2,480,173 Weatherford International Plc $4,632,369 5e Advanced Materials, Inc. $11,399 Cameron International Corp $0 Calumet Specialty Products Partners, L.p. $2,480,173 Weatherford International Plc $4,632,369 5e Advanced Materials, Inc. $11,399