 BlackRock MuniHolding Insured Investm NYSE:MFL declared a monthly dividend on Wednesday, February 5th, Wall Street Journal reports. Investors of record on Friday, February 14th will be given a dividend of 0.0455 per share by the investment management company on Monday, March 2nd. This represents a 0.55 annualized dividend and a dividend yield of 3.95. The ... 