<SEC-DOCUMENT>0001144204-19-018100-index.html : 20190404 <SEC-HEADER>0001144204-19-018100.hdr.sgml : 20190404 <ACCEPTANCE-DATETIME>20190404060236 ACCESSION NUMBER: 0001144204-19-018100 CONFORMED SUBMISSION TYPE: 8-A12B PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190404 DATE AS OF CHANGE: 20190404 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Tradeweb Markets Inc. CENTRAL INDEX KEY: 0001758730 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 8-A12B SEC ACT: 1934 Act SEC FILE NUMBER: 001-38860 FILM NUMBER: 19731134 BUSINESS ADDRESS: STREET 1: 1177 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10036 BUSINESS PHONE: 646-430-6000 MAIL ADDRESS: STREET 1: 1177 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10036 </SEC-HEADER> <DOCUMENT> <TYPE>8-A12B <SEQUENCE>1 <FILENAME>tv517990_8a12b.htm <DESCRIPTION>8-A12B <TEXT> Document 1 - file: tv517990_8a12b.htm
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