<SEC-DOCUMENT>0000905148-25-004056-index.html : 20251114
<SEC-HEADER>0000905148-25-004056.hdr.sgml : 20251114
<ACCEPTANCE-DATETIME>20251114165024
ACCESSION NUMBER:		0000905148-25-004056
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251114
DATE AS OF CHANGE:		20251114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COGENT COMMUNICATIONS HOLDINGS, INC.
		CENTRAL INDEX KEY:			0001158324
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		ORGANIZATION NAME:           	06 Technology
		EIN:				522337274
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78106
		FILM NUMBER:		251487718

	BUSINESS ADDRESS:	
		STREET 1:		2450 N STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037
		BUSINESS PHONE:		2022954200

	MAIL ADDRESS:	
		STREET 1:		2450 N STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COGENT COMMUNICATIONS GROUP INC
		DATE OF NAME CHANGE:	20010828

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Turtle Creek Asset Management Inc.
		CENTRAL INDEX KEY:			0001484148
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			Z4
		FISCAL YEAR END:			1109

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		SCOTIA PLAZA
		STREET 2:		40 KING STREET WEST, SUITE 5100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 3Y2
		BUSINESS PHONE:		(416) 363-7400

	MAIL ADDRESS:	
		STREET 1:		SCOTIA PLAZA
		STREET 2:		40 KING STREET WEST, SUITE 5100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 3Y2
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>