<SEC-DOCUMENT>0001193125-20-233174-index.html : 20200827 <SEC-HEADER>0001193125-20-233174.hdr.sgml : 20200827 <ACCEPTANCE-DATETIME>20200827163435 ACCESSION NUMBER: 0001193125-20-233174 CONFORMED SUBMISSION TYPE: 424B3 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20200827 DATE AS OF CHANGE: 20200827 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BlackRock Health Sciences Trust CENTRAL INDEX KEY: 0001314966 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 424B3 SEC ACT: 1933 Act SEC FILE NUMBER: 333-230158 FILM NUMBER: 201143296 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: (888) 825-2257 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 </SEC-HEADER> <DOCUMENT> <TYPE>424B3 <SEQUENCE>1 <FILENAME>d111149d424b3.htm <DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST <TEXT> Document 1 - file: d111149d424b3.htm
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