<SEC-DOCUMENT>0001104659-22-068021-index.html : 20220603 <SEC-HEADER>0001104659-22-068021.hdr.sgml : 20220603 <ACCEPTANCE-DATETIME>20220603150143 ACCESSION NUMBER: 0001104659-22-068021 CONFORMED SUBMISSION TYPE: N-CSRS PUBLIC DOCUMENT COUNT: 14 CONFORMED PERIOD OF REPORT: 20220331 FILED AS OF DATE: 20220603 DATE AS OF CHANGE: 20220603 EFFECTIVENESS DATE: 20220603 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TEKLA LIFE SCIENCES INVESTORS CENTRAL INDEX KEY: 0000884121 IRS NUMBER: 043147016 STATE OF INCORPORATION: MA FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: N-CSRS SEC ACT: 1940 Act SEC FILE NUMBER: 811-06565 FILM NUMBER: 22994033 BUSINESS ADDRESS: STREET 1: 100 FEDERAL STREET STREET 2: 19TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 6177728515 MAIL ADDRESS: STREET 1: 100 FEDERAL STREET STREET 2: 19TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 FORMER COMPANY: FORMER CONFORMED NAME: H&Q LIFE SCIENCES INVESTORS DATE OF NAME CHANGE: 19920929 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSRS <SEQUENCE>1 <FILENAME>tm228076d1_ncsrs.htm <DESCRIPTION>N-CSRS <TEXT> Document 1 - file: tm228076d1_ncsrs.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>2 <FILENAME>tm228076d1_ex99cert.htm <DESCRIPTION>EXHIBIT 99.CERT <TEXT> Document 2 - file: tm228076d1_ex99cert.htm
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