UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number 811-07599 DOMINI INSTITUTIONAL TRUST (Exact Name of Registrant as Specified in Charter) 536 Broadway, 7th Floor, New York, New York 10012 (Address of Principal Executive Offices) Amy L. Domini Domini Social Investments LLC 536 Broadway, 7th Floor New York, New York 10012 (Name and Address of Agent for Service) Registrant's Telephone Number, including Area Code: 212-217-1100 Date of Fiscal Year End: July 31 Date of Reporting Period: June 30, 2006 ITEM 1. PROXY VOTING RECORD. Domini Institutional Social Equity Fund, the sole series of the registrant, is a "feeder fund" and invests its assets in Domini Social Equity Trust (f/k/a Domini Social Index Trust), a series of Domini Social Trust (f/k/a Domini Social Index Portfolio). For the proxy voting record of Domini Social Equity Trust for the period covered by the report, please refer to Form N-PX filed on August 29, 2006, for Domini Social Trust (Investment Company Act File Number: 811-05824; CIK Number: 0000851681). SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. DOMINI INSTITUTIONAL TRUST By: /s/ Amy L. Domini ---------------------------------------- Amy L. Domini President (Principal Executive Officer) Date: August 29, 2006
