Eaton Vance TaxManaged BuyWrite Income Fund is a closedended equity mutual fund launched and managed by Eaton Vance Management It is comanaged by Parametric Portfolio Associates LLC The fund invests in the public equity markets of the United States It seeks to invest in stocks of companies operating across diversified sectors The fund primarily invests in stocks of largecap companies It also writes call options on one or more US indices on a substantial portion of the value of its common stock portfolio The fund benchmarks the performance of its portfolio against the SP 500 Index Eaton Vance TaxManaged BuyWrite Income Fund was formed on April 29 2005 and is domiciled in the United States