CORB provides exposure to a diverse global fixed income portfolio investing in various securities, such as corporate bonds, asset-backed securities, U.S. government, and agency securities. The fund can allocate up to 25% of its investments to non-USD-denominated foreign securities in both developed and emerging markets. It aims to maintain a portfolio quality of A but has the flexibility to invest up to 25% in junk bonds. The portfolio manager employs interest rate forecasting to estimate the appropriate level of interest rate risk and may adjust the average duration of the portfolio based on interest rate expectations. the fund aims to maintain an effective duration of 3 7 years. The fund is actively managed, may use derivatives, and engages in active trading. The fund converted from a mutual fund, Bernstein Intermediate Duration Institutional Portfolio, bringing in $854 million in assets.