Amends the Illinois Sustainable Investing Act. Provides that, effective January 1, 2024, every investment manager shall comply with annual disclosure requirements that will require the investment manager to provide a description of the process through which the manager prudently integrates sustainability factors into its investment decision-making, investment analysis, portfolio construction, due diligence, and investment ownership in order to maximize anticipated financial returns, identify and minimize projected risk, and execute its fiduciary duties more effectively. Provides that the investment manager shall provide the annual disclosure to each public agency, pension fund, retirement system, or governmental unit for whom the investment manager is acting as a fiduciary or seeking selection as a fiduciary prior to acting in this capacity and at least annually thereafter. Provides that annual disclosures shall be submitted by January 31st of every year after the effective date of the amendatory Act. Defines "investment manager". House Floor Amendment No. 1 Removes the requirement that annual disclosures shall be submitted by January 31st of every year. Makes technical changes in the provision concerning annual disclosures.