VANGUARD GROUP INC - 31 Dec 2025 SCHEDULE 13G/A Report for CSG Systems International Inc Common Stock (CSGS)

Filing Manager: VANGUARD GROUP INC
Reporting Manager: The Vanguard Group
Security: CSG Systems International Inc Common Stock
Symbol: CSGS
Shares outstanding: 28,543,173 shares
Disclosed Ownership: 3,202,544 shares
Ownership: 11%
Form type: SCHEDULE 13G/A
Filing time: 30 Jan 2026, 13:29:49 UTC
Date of event: 31 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
The Vanguard Group	11%	3,202,544	0	226,592	Ashley Grim	Head of Global Fund Administration