Morgan Stanley Insured Municipal Bond Trust operates as a diversified, closed-end management investment company in the United States. It primarily invests in tax-exempt municipal bonds. The trust's portfolio comprises investments in educational, electric, hospital, multifamily, single family, transportation, water and sewer, and public and recreational facilities sectors. Morgan Stanley Investment Advisors, Inc. operates as the investment adviser of the trust. The trust was organized in 1990 and is headquartered in New Jersey.