Observatory · observe first

Comfort Systems USA

FIX · United States · Construction & Engineering · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.071%
12M weight contribution
+0.071 pp
3M weight contribution
+0.006 pp
12M price return
+329.0%

Share of matched S&P 500 members

Monthly observations through Mar 2026

0.10.10.12026

Company price index

A separate dimension from market allocation

2344291134782026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Mar 2026$48.5bn0.071%+0.071 pp+329.0%Yes
Feb 2026$50.3bn0.069%+0.069 pp+294.8%Yes
Jan 2026$40.3bn0.077%+0.077 pp+162.4%Yes
Dec 2025$32.9bn0.064%+0.064 pp+120.9%Yes

Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.