Northwest Mutual Funds Inc. has filed a preliminary prospectus for the initial public offering of units of Northwest High-Yield Bond Trust. The closed-end trust aims to provide unitholders with an annual distribution of 6.75% in the first year, and to return to unitholders at least the original issue price of the units upon termination in January 2016, the company says. The trust invests in U.S. high-yield debt securities and other international equities. Sales commissions are 2.8%, with a 0.40% trailer. Management fees are 0.9%. Minimum investment is $2,000.