0000950123-19-005245.txt : 20190515 0000950123-19-005245.hdr.sgml : 20190515 20190515113255 ACCESSION NUMBER: 0000950123-19-005245 CONFORMED SUBMISSION TYPE: 13F-NT PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190331 FILED AS OF DATE: 20190515 DATE AS OF CHANGE: 20190515 EFFECTIVENESS DATE: 20190515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA WANGER ASSET MANAGEMENT LLC CENTRAL INDEX KEY: 0000908733 IRS NUMBER: 043519872 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-NT SEC ACT: 1934 Act SEC FILE NUMBER: 028-03639 FILM NUMBER: 19826183 BUSINESS ADDRESS: STREET 1: 227 W MONROE STREET STREET 2: SUITE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312-634-9200 MAIL ADDRESS: STREET 1: 227 W MONROE ST STREET 2: STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: COLUMBIA WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 20040427 FORMER COMPANY: FORMER CONFORMED NAME: LIBERTY WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 20010220 FORMER COMPANY: FORMER CONFORMED NAME: WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 19990108 13F-NT 1 primary_doc.xml 13F-NT LIVE false true false 0000908733 XXXXXXXX 03-31-2019 03-31-2019 Columbia Wanger Asset Management LLC

227 W Monroe St STE 3000 Chicago IL 60606

13F NOTICE 028-03639 028-10477 Columbia Management Investment Advisers, LLC 028-10458 Ameriprise Trust Co 028-00140 Ameriprise Certificate Co 028-00143 RiverSource Life Insurance Co 028-10460 RiverSource Life Insurance Co of New York 028-10644 Threadneedle Asset Management Holdings LTD 028-14918 Ameriprise Financial Services, Inc. 028-03639 Columbia Wanger Asset Management, LLC 028-18942 Ameriprise National Trust Bank N Joseph C. LaPalm 312-634-9829 Joseph C. LaPalm Chicago IL 05-15-2019