Under normal market conditions, the fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in mortgage-backed securities. The fund may invest in mortgage-related securities issued or guaranteed by U.S. governmental entities and privately issued mortgage-related securities. The fund may invest up to 20% of its net assets in non-mortgage-backed securities including other asset-backed securities and Collateralized Loan Obligations (CLOs) and cash and cash equivalents.