<SEC-DOCUMENT>0001553023-25-000001-index.html : 20250121
<SEC-HEADER>0001553023-25-000001.hdr.sgml : 20250121
<ACCEPTANCE-DATETIME>20250121164859
ACCESSION NUMBER:		0001553023-25-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20250121
DATE AS OF CHANGE:		20250121
EFFECTIVENESS DATE:		20250121

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CyrusOne Holdco LLC
		CENTRAL INDEX KEY:			0001553023
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-535839
		FILM NUMBER:		25543071

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CyrusOne Inc.
		DATE OF NAME CHANGE:	20120626
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>