MuniHoldings California Insured Fund, Inc. operates as a nondiversified, closed-end management investment company. It invests primarily in a portfolio of long-term investment-grade municipal obligations, the interest on which is exempt from Federal and California income taxes. Fund Asset Management, L.P. serves as the investment advisor of the fund. MuniHoldings California Insured Fund was founded in 1997 and is based in Princeton, New Jersey.