<SEC-DOCUMENT>0001104659-21-013681-index.html : 20210208
<SEC-HEADER>0001104659-21-013681.hdr.sgml : 20210208
<ACCEPTANCE-DATETIME>20210208160200
ACCESSION NUMBER:		0001104659-21-013681
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210129
FILED AS OF DATE:		20210208
DATE AS OF CHANGE:		20210208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Refinitiv US PME LLC
		CENTRAL INDEX KEY:			0001772075
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601341

	BUSINESS ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646-223-4000

	MAIL ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Refinitiv US LLC
		CENTRAL INDEX KEY:			0001772073
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601342

	BUSINESS ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646-223-4000

	MAIL ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LSEGA, Inc.
		CENTRAL INDEX KEY:			0001842891
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601343

	BUSINESS ADDRESS:	
		STREET 1:		3411 SILVERSIDE ROAD
		STREET 2:		TATNALL BUILDING #104
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19810
		BUSINESS PHONE:		44 (0)20 7797 1000

	MAIL ADDRESS:	
		STREET 1:		28 LIBERTY ST.
		STREET 2:		58TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Refinitiv TW Holdings Ltd.
		CENTRAL INDEX KEY:			0001772096
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601344

	BUSINESS ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646-223-4000

	MAIL ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER NAME:	
		FORMER CONFORMED NAME:	Refinitiv TW Holdings LLC
		DATE OF NAME CHANGE:	20190327

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Refinitiv Parent Ltd
		CENTRAL INDEX KEY:			0001771967
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601345

	BUSINESS ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646-223-4000

	MAIL ADDRESS:	
		STREET 1:		C/O REFINITIV, 3 TIMES SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			London Stock Exchange Group plc
		CENTRAL INDEX KEY:			0001842726
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38860
		FILM NUMBER:		21601346

	BUSINESS ADDRESS:	
		STREET 1:		10 PATERNOSTER SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC4M 7LS
		BUSINESS PHONE:		44 (0)20 7797 1000

	MAIL ADDRESS:	
		STREET 1:		10 PATERNOSTER SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC4M 7LS

ISSUER:		

	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
		FISCAL YEAR END:			1231

	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>3
<SEQUENCE>1
<FILENAME>tm215581-1_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm215581-1_3seq1.html
Document 1 - RAW XML: tm215581-1_3seq1.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>tm215581d1_ex24.htm <DESCRIPTION>EXHIBIT 24 <TEXT> Document 2 - file: tm215581d1_ex24.htm
</DOCUMENT> </SEC-DOCUMENT>