When did FIX join the S&P 500?

Comfort Systems USA joined the S&P 500 index on 2025-12-22.

What sector is FIX in?

FIX is in the Industrials sector, Construction & Engineering industry.

FIX — Comfort Systems USA

Name: FIX Institutional Holdings (13F) — 2026Q1
Creator: SEC EDGAR
License: https://www.sec.gov/data

Construction & Engineering · Industrials

Key Facts

Status	Active
Sector	Industrials
Industry	Construction & Engineering
Joined	2025-12-22
Tenure	0 yrs

Comfort Systems USA, Inc. provides comprehensive mechanical contracting services, including heating, ventilation, and air conditioning (HVAC); plumbing systems; piping and controls; construction; and other electrical components. Its projects are primarily focused on commercial, industrial, and public facility buildings, with a tilt toward HVAC. Revenue is roughly evenly split between installation services for new construction and repair services for existing buildings. The company operates throughout the United States, installing and servicing products and systems. It operates two segments: Mechanical Services and Electrical Services, with the majority of revenue derived from the Mechanical Services segment.

Industry Peers

EME J PWR

Sector Peers

ADP ALLE AME AOS AXON BA BLDR BR CARR CAT

S&P 500 Timeline

2025-12-22Joined S&P 500

Institutional Holdings (13F)

1 institutions hold FIX, totaling 1.6M shares ($4M) · As of 2026Q1

Rank	Institution	Shares	Value
1	Pacer Advisors, Inc.	1.6M	$4M

View all holders →

Data source: Wikipedia · CC BY-SA 4.0 · SEC EDGAR 13F · Updated 2026-07-10