ClearBridge Energy MLP Opportunity Fund Inc. is a closed-ended equity mutual fund launched and managed by Legg Mason Partners Fund Advisor, LLC. It is co-managed by ClearBridge Advisors, LLC. The fund invests in the public equity markets of the United States. It seeks to invest in stocks of companies operating in the energy sector. The fund primarily invests in equity securities of MLPs with operations in crude oil, natural gas liquids, and refined products infrastructure. It seeks to invest in companies with long-lived assets, predictable cash flows, and relatively low direct commodity exposure to create its portfolio. ClearBridge Energy MLP Opportunity Fund Inc. was formed on April 5, 2011 and is domiciled in the United States.