Investment Grade Infrastructure Bond Fund (the Fund) is a closed-end investment trust. The Fund's investment objectives are to provide holders of Units (Unitholders) with monthly cash distributions, and preserve capital and provide the opportunity for capital appreciation. The Fund invests in a managed portfolio comprised primarily of investment grade fixed income securities of issuers that own, operate or develop infrastructure assets in the United States (the Portfolio). The Fund's financial assets consist primarily of investments in non-derivatives financial instruments and derivative financial instruments. The Fund invests in various sectors, including transportation, utilities, water and sewer, education and civic organizations, healthcare, energy, industrials and telecommunication services. Fiera Capital Corporation is the manager of the Fund. Nuveen Asset Management, LLC is the investment advisor of the Fund.