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
0.112%
12M weight contribution
+0.112 pp
3M weight contribution
+0.043 pp
12M price return
+283.1%
Share of matched S&P 500 members
Monthly observations through May 2026
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| May 2026 | $64.4bn | 0.112% | +0.112 pp | +283.1% | Yes |
| Apr 2026 | $64.8bn | 0.088% | +0.088 pp | +364.2% | Yes |
| Mar 2026 | $48.5bn | 0.071% | +0.071 pp | +329.0% | Yes |
| Feb 2026 | $50.3bn | 0.069% | +0.069 pp | +294.8% | Yes |
| Jan 2026 | $40.3bn | 0.077% | +0.077 pp | +162.4% | Yes |
| Dec 2025 | $32.9bn | 0.064% | +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.