BlackRock, Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for COMFORT SYSTEMS USA INC Common Stock (FIX)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: COMFORT SYSTEMS USA INC Common Stock
Symbol: FIX
Shares outstanding: 35,144,578 shares
Disclosed Ownership: 2,917,000 shares
Ownership: 8.3%
Form type: SCHEDULE 13G/A
Filing time: 21 Jan 2026, 12:30:34 UTC
Date of event: 31 Dec 2025
Previous filing: 04 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	8.3%	2,917,000	2,749,346	0	Spencer Fleming	Managing Director