Morgan Stanley Insured Municipal Securities operates as a diversified, closed-end management investment company. It invests primarily in tax-exempt municipal bonds and short-term tax-exempt municipal obligations. The company's investment portfolio comprises investments in electric, water and sewer, transportation, general obligation, and hospital sectors. Morgan Stanley Investment Advisors, Inc. serves as the investment adviser of the company. Morgan Stanley Insured Municipal Securities was founded in 1993 and is based in the New York City.