|Continental Resources, Inc.
||Continental Resources, Inc. is an independent crude oil and natural gas exploration and production company with operations in the North, South and East regions of the United States.
|Concho Resources, Inc.
||Concho Resources Inc., an independent oil and natural gas company, acquires, develops, and explores for oil and natural gas properties in the U.S.
|Pioneer Natural Resources Co.
||Pioneer Natural Resources Company (Pioneer) is an independent oil and gas exploration and production company with operations in the United States and South Africa.
||Halliburton Company provides various products and services to the energy industry for the exploration, development, and production of oil and gas properties worldwide.
|Marathon Petroleum Corp.
||Marathon Petroleum Corporation (MPC) is a petroleum product refiner, transporter and marketer in the United States. The Company operates in three segments: Refining & Marketing, Speedway and Pipeline Transportation.
||Chevron Corp., through its subsidiaries, engages in integrated energy, chemicals, and petroleum operations worldwide.
||Schlumberger Limited operates as an oilfield services company in the United States and internationally.
|Enterprise Products Partners L.P.
||Enterprise Products Partners L.P., a master limited partnership, provides midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, petrochemicals, and refined products.
|Suncor Energy, Inc.
||Suncor Energy Inc. operates as an integrated energy company.
|EOG Resources, Inc.
||EOG Resources, Inc., explores, develops, produces and markets natural gas and crude oil primarily in producing basins in the United States, Canada, The Republic of Trinidad and Tobago, the United Kingdom, and The People's Republic of China.
Total Portfolio Holdings
updated quarterly, upon availability
| (as of 12/31/2018)