<SEC-DOCUMENT>0000891836-18-000024-index.html : 20180214
<SEC-HEADER>0000891836-18-000024.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214160332
ACCESSION NUMBER:		0000891836-18-000024
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214
GROUP MEMBERS:		ELI J. WEINBERG
GROUP MEMBERS:		JOHN H. SCULLY
GROUP MEMBERS:		PHOEBE SNOW FOUNDATION, INC.
GROUP MEMBERS:		SAN FRANCISCO PARTNERS, L.P.
GROUP MEMBERS:		SF ADVISORY PARTNERS, L.P.
GROUP MEMBERS:		SPO ADVISORY PARTNERS, L.P.
GROUP MEMBERS:		SPO PARTNERS II, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Zayo Group Holdings, Inc.
		CENTRAL INDEX KEY:			0001608249
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				261398293
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88645
		FILM NUMBER:		18612171

	BUSINESS ADDRESS:	
		STREET 1:		1821 30TH ST
		STREET 2:		UNIT A
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301
		BUSINESS PHONE:		303-381-4683

	MAIL ADDRESS:	
		STREET 1:		1821 30TH ST
		STREET 2:		UNIT A
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPO ADVISORY CORP
		CENTRAL INDEX KEY:			0000919468
		IRS NUMBER:				680247274
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		591 REDWOOD HIGHWAY
		STREET 2:		SUITE 3215
		CITY:			MILL VALLEY
		STATE:			CA
		ZIP:			94941
		BUSINESS PHONE:		4153836600

	MAIL ADDRESS:	
		STREET 1:		591 REDWOOD HIGHWAY
		STREET 2:		SUITE 3215
		CITY:			MILL VALLEY
		STATE:			CA
		ZIP:			94941

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SF ADVISORY CORP
		DATE OF NAME CHANGE:	19990329
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc0012-18.htm
<DESCRIPTION>SCHEDULE 13G, AMENDMENT NO. 1
<TEXT>
Document 1 - file: sc0012-18.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex_99-1.htm
<DESCRIPTION>EXHIBIT A -- AGREEMENT PURSUANT TO RULE 13D-1(K)
<TEXT>
Document 2 - file: ex_99-1.htm

</DOCUMENT>
</SEC-DOCUMENT>