<SEC-DOCUMENT>0001172661-20-000711-index.html : 20200214 <SEC-HEADER>0001172661-20-000711.hdr.sgml : 20200214 <ACCEPTANCE-DATETIME>20200214130423 ACCESSION NUMBER: 0001172661-20-000711 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20200214 DATE AS OF CHANGE: 20200214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SEMTECH CORP CENTRAL INDEX KEY: 0000088941 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 952119684 STATE OF INCORPORATION: DE FISCAL YEAR END: 0126 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-20525 FILM NUMBER: 20617190 BUSINESS ADDRESS: STREET 1: 200 FLYNN ROAD CITY: CAMARILLO STATE: CA ZIP: 93012-8790 BUSINESS PHONE: 8054982111 MAIL ADDRESS: STREET 1: 200 FLYNN ROAD CITY: CAMARILLO STATE: CA ZIP: 93012-8790 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FRONTIER CAPITAL MANAGEMENT CO LLC CENTRAL INDEX KEY: 0001216488 IRS NUMBER: 043492668 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 99 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02110 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>frontier-smtc123119a1.htm <DESCRIPTION>SCHEDULE 13G HOLDINGS REPORT AMENDMENT <TEXT> Document 1 - file: frontier-smtc123119a1.htm
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