0001209191-11-024528.txt : 20110427 0001209191-11-024528.hdr.sgml : 20110427 20110427120308 ACCESSION NUMBER: 0001209191-11-024528 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110425 FILED AS OF DATE: 20110427 DATE AS OF CHANGE: 20110427 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CAVANAGH RICHARD CENTRAL INDEX KEY: 0001075522 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 811-07156 FILM NUMBER: 11782569 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNIYIELD INVESTMENT QUALITY FUND CENTRAL INDEX KEY: 0000891188 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 223196058 FISCAL YEAR END: 0630 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 800-441-7762 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: BLACKROCK MUNIYIELD INSURED INVESTMENT FUND DATE OF NAME CHANGE: 20080926 FORMER COMPANY: FORMER CONFORMED NAME: BLACKROCK MUNIYIELD FLORIDA INSURED FUND DATE OF NAME CHANGE: 20070611 FORMER COMPANY: FORMER CONFORMED NAME: MUNIYIELD FLORIDA INSURED FUND /NJ/ DATE OF NAME CHANGE: 19921217 4 1 doc4.xml FORM 4 SUBMISSION X0303 4 2011-04-25 0 0000891188 BLACKROCK MUNIYIELD INVESTMENT QUALITY FUND MFT 0001075522 CAVANAGH RICHARD 55 EAST 52ND STREET NEW YORK NY 10055 1 0 0 0 Common Stock 2011-04-25 4 P 0 100 12.07 A 100 D /s/ Aaron Wasserman as Attorney-In-Fact 2011-04-27