|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.
|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.
||Phillips 66 is an independent downstream energy company that operates in refining & marketing, midstream and chemicals
|Valero Energy Corp.
||Valero Energy Corp. engages in the manufacture and marketing of transportation fuels and other petrochemical products through Refining and Ethanol segments. The company was founded in 1980 and is headquartered in San Antonio, TX.
|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.
|Wright Express Corp.
||Wright Express Corp. is a provider of payment processing and information management services to the U.S. commercial and government vehicle fleet industry.
|Cactus, Inc., Class A
|WPX Energy, Inc.
||WPX Energy Inc. operates as an independent natural gas and oil exploration and production company. The Company focuses on its natural gas reserve base and related NGLs in the Piceance Basin of the Rocky Mountain region, the Bakken Shale oil play in North Dakota, and the Marcellus Shale natural gas play in Pennsylvania.
|Parsley Energy, Inc., Class A
||Parsley Energy is an independent oil and natural gas company with operations in the Permian Basin that develops unconventional oil and natural gas reserves.
|Diamondback Energy, Inc.
||Diamondback Energy Inc. is an independent oil and natural gas company currently focused on the acquisition, development, exploration and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas.
Total Portfolio Holdings
(as of 12/31/2019)
updated quarterly, upon availability