<SEC-DOCUMENT>0001037389-21-000088-index.html : 20210210 <SEC-HEADER>0001037389-21-000088.hdr.sgml : 20210210 <ACCEPTANCE-DATETIME>20210210170816 ACCESSION NUMBER: 0001037389-21-000088 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210210 DATE AS OF CHANGE: 20210210 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CSG SYSTEMS INTERNATIONAL INC CENTRAL INDEX KEY: 0001005757 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374] IRS NUMBER: 470783182 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-48301 FILM NUMBER: 21614991 BUSINESS ADDRESS: STREET 1: 6175 SOUTH WILLOW DRIVE CITY: GREENWOOD VILLAGE STATE: CO ZIP: 80111 BUSINESS PHONE: 3037962850 MAIL ADDRESS: STREET 1: 6175 SOUTH WILLOW DRIVE CITY: GREENWOOD VILLAGE STATE: CO ZIP: 80111 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: RENAISSANCE TECHNOLOGIES LLC CENTRAL INDEX KEY: 0001037389 IRS NUMBER: 260385758 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 800 THIRD AVE CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2124866780 MAIL ADDRESS: STREET 1: 800 THIRD AVE CITY: NEW YORK STATE: NY ZIP: 10022 FORMER COMPANY: FORMER CONFORMED NAME: RENAISSANCE TECHNOLOGIES CORP DATE OF NAME CHANGE: 19990324 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>csgs-13g_20201231.txt <TEXT> Document 1 - file: csgs-13g_20201231.txt
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