BlackRock Investment Quality Municipal Trust Inc. is a closed ended fixed income mutual fund launched by BlackRock, Inc. It is managed by BlackRock Advisors, LLC. The fund invests in fixed income markets. It invests primarily in municipal bonds. The fund seeks to invest in industrial and pollution control, education, hospital, transportation, power, tobacco, housing, and water and sewer sectors. Blackrock Investment Quality Municipal Trust Inc. was formed in 1992 and is domiciled in United States.