<SEC-DOCUMENT>0001104659-17-071866-index.html : 20171205 <SEC-HEADER>0001104659-17-071866.hdr.sgml : 20171205 <ACCEPTANCE-DATETIME>20171205125440 ACCESSION NUMBER: 0001104659-17-071866 CONFORMED SUBMISSION TYPE: N-CSR PUBLIC DOCUMENT COUNT: 19 CONFORMED PERIOD OF REPORT: 20170930 FILED AS OF DATE: 20171205 DATE AS OF CHANGE: 20171205 EFFECTIVENESS DATE: 20171205 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-CSR SEC ACT: 1940 Act SEC FILE NUMBER: 811-06565 FILM NUMBER: 171239168 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-CSR <SEQUENCE>1 <FILENAME>a17-24477_1ncsr.htm <DESCRIPTION>CERTIFIED ANNUAL SHAREHOLDER REPORT <TEXT> Document 1 - file: a17-24477_1ncsr.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CODEETH <SEQUENCE>2 <FILENAME>a17-24477_1ex99dcodeeth.htm <DESCRIPTION>EX-99.CODEETH <TEXT> Document 2 - file: a17-24477_1ex99dcodeeth.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>3 <FILENAME>a17-24477_1ex99dcert.htm <DESCRIPTION>EX-99.CERT <TEXT> Document 3 - file: a17-24477_1ex99dcert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.SECTION 19(A) <SEQUENCE>4 <FILENAME>a17-24477_1ex99dsection19a.htm <DESCRIPTION>EX-99.SECTION 19(A) <TEXT> Document 4 - file: a17-24477_1ex99dsection19a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CERT <SEQUENCE>5 <FILENAME>a17-24477_1ex99d906cert.htm <DESCRIPTION>EX-99.906CERT <TEXT> Document 5 - file: a17-24477_1ex99d906cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>j17244772_ba018.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: j17244772_ba018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>j17244772_ba019.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: j17244772_ba019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>j17244772_ba020.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: j17244772_ba020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>j17244772_ba021.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: j17244772_ba021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>j17244772_ba022.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: j17244772_ba022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>j17244772_ba023.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: j17244772_ba023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>j17244772_ba024.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: j17244772_ba024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>j17244772_ba025.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: j17244772_ba025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>j17244772_ba026.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: j17244772_ba026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>j17244772_ba027.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: j17244772_ba027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>j17244772_ba028.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: j17244772_ba028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>j17244772_aa015.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: j17244772_aa015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>j17244772_aa016.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: j17244772_aa016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>j17244772_aa017.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: j17244772_aa017.jpg
</DOCUMENT> </SEC-DOCUMENT>