<SEC-DOCUMENT>0001553023-20-000009-index.html : 20200214
<SEC-HEADER>0001553023-20-000009.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214162400
ACCESSION NUMBER:		0001553023-20-000009
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191231
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ferdman David H.
		CENTRAL INDEX KEY:			0001567073

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35789
		FILM NUMBER:		20620412

	MAIL ADDRESS:	
		STREET 1:		5202 BRAEBURN
		CITY:			BELLAIRE
		STATE:			TX
		ZIP:			77401

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CyrusOne Inc.
		CENTRAL INDEX KEY:			0001553023
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2850 N HARWOOD ST
		STREET 2:		SUITE 2200
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		(972) 350-0060

	MAIL ADDRESS:	
		STREET 1:		2850 N HARWOOD ST
		STREET 2:		SUITE 2200
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>wf-form5_158171542087026.xml
<DESCRIPTION>FORM 5
<TEXT>
Document 1 - file: wf-form5_158171542087026.html

Document 1 - RAW XML: wf-form5_158171542087026.xml

</DOCUMENT>
</SEC-DOCUMENT>