The investment seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the Bloomberg SASB ®US Corporate ESG Ex-Controversies Select Index that tracks investment grade corporate bonds issued by companies that exhibit certain ESG characteristics. Normally, the fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index or in securities that the Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. It is non-diversified.