0001209191-12-030576.txt : 20120525 0001209191-12-030576.hdr.sgml : 20120525 20120525142911 ACCESSION NUMBER: 0001209191-12-030576 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120522 FILED AS OF DATE: 20120525 DATE AS OF CHANGE: 20120525 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ahn Janey CENTRAL INDEX KEY: 0001550769 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 811-07156 FILM NUMBER: 12870745 MAIL ADDRESS: STREET 1: 55 EAST 52ND STREET CITY: NEW YORK STATE: NY ZIP: 10055 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 X0205 3 2012-05-22 1 0000891188 BLACKROCK MUNIYIELD INVESTMENT QUALITY FUND MFT 0001550769 Ahn Janey 55 EAST 52ND STREET NEW YORK NY 10055 0 1 0 0 Secretary No securities are beneficially owned /s/ Noah Gellner as Attorney-in-Fact 2012-05-25