Eaton Vance Tax-Managed Buy-Write Strategy Fund is a closed ended equity mutual fund launched and managed by Eaton Vance Management. The fund is co-managed by Parametric Risk Advisors, LLC. It invests in equity markets. The fund invests directly and through derivatives such as options in stocks of companies. It seeks to benchmark the performance of its portfolio against the S&P 500 Composite Stock Price Index and the NASDAQ 100 Index. The fund uses internal and proprietary research to create its portfolio. Eaton Vance Tax-Managed Buy-Write Strategy Fund was formed on June 29, 2010 and is domiciled in the United States.