0001209191-12-002990.txt : 20120110 0001209191-12-002990.hdr.sgml : 20120110 20120110132912 ACCESSION NUMBER: 0001209191-12-002990 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120103 FILED AS OF DATE: 20120110 DATE AS OF CHANGE: 20120110 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Powers John F CENTRAL INDEX KEY: 0001536217 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 811-07156 FILM NUMBER: 12519462 MAIL ADDRESS: STREET 1: 40 EAST 52ND STREET CITY: NEW YORK STATE: NY ZIP: 10022 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 3 1 doc3.xml FORM 3 SUBMISSION X0204 3 2012-01-03 1 0000891188 BLACKROCK MUNIYIELD INVESTMENT QUALITY FUND MFT 0001536217 Powers John F 55 EAST 52ND STREET NEW YORK NY 10055 1 0 0 0 No securities are beneficially owned. /s/ Noah Gellner as Attorney-in-Fact 2012-01-03