PIMCO Income Strategy Fund is a closed-ended fixed income mutual fund launched and managed by Allianz Global Investors Fund Management LLC. The fund is co-managed by Pacific Investment Management Company LLC. It invests in fixed income markets across the globe. The fund invests in a diversified portfolio of floating rate debt instruments with an average duration of around three years. It employs fundamental analysis with top-down approach to create its portfolio. The fund was formerly known as PIMCO Floating Rate Income Fund. PIMCO Income Strategy Fund was formed on June 19, 2003 and is domiciled in the United States.