BlackRock, Inc. - 30 Jun 2025 SCHEDULE 13G/A Report for COGENT COMMUNICATIONS HOLDINGS, INC. Common Stock (CCOI)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: COGENT COMMUNICATIONS HOLDINGS, INC. Common Stock
Symbol: CCOI
Shares outstanding: 49,214,923 shares
Disclosed Ownership: 6,397,940 shares
Ownership: 13%
Form type: SCHEDULE 13G/A
Filing time: 18 Jul 2025, 14:31:16 UTC
Date of event: 30 Jun 2025
Next filing: 23 Jan 2026
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	13%	6,397,940	6,320,570	0	Spencer Fleming	Managing Director