 Ackerman Capital Advisors LLC raised its stake in Blackrock Muniyield Insured Fund Inc. NYSE:MYI by 120.5 in the 4th quarter, HoldingsChannel reports. The firm owned 226,328 shares of the investment management companys stock after acquiring an additional 123,685 shares during the quarter. Blackrock Muniyield Insured Fund makes up 0.9 of Ackerman Capital Advisors LLCs portfolio, ... 