Observatory · observe first
Atmos Energy
ATO · United States · Gas Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.033%
12M weight contribution
-0.008 pp
3M weight contribution
-0.015 pp
12M price return
+3.4%
Share of matched S&P 500 members
Monthly observations through May 2024
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 2024 | $17.5bn | 0.033% | -0.008 pp | +3.4% | No |
| Apr 2024 | $17.8bn | 0.052% | -0.004 pp | +6.1% | Yes |
| Mar 2024 | $17.9bn | 0.050% | -0.005 pp | +8.7% | No |
| Feb 2024 | $17.0bn | 0.049% | -0.008 pp | +2.8% | No |
| Jan 2024 | $16.9bn | 0.050% | -0.006 pp | -0.5% | No |
| Dec 2023 | $17.2bn | 0.051% | -0.006 pp | +6.2% | Yes |
| Nov 2023 | $16.9bn | 0.053% | -0.005 pp | -2.8% | Yes |
| Oct 2023 | $16.0bn | 0.054% | +0.001 pp | +3.6% | Yes |
| Sep 2023 | $15.7bn | 0.053% | -0.003 pp | +6.7% | Yes |
| Aug 2023 | $17.2bn | 0.055% | -0.002 pp | +4.9% | Yes |
| Jul 2023 | $17.6bn | 0.038% | -0.020 pp | +2.8% | No |
| Jun 2023 | $16.8bn | 0.039% | -0.022 pp | +6.4% | No |
| May 2023 | $16.7bn | 0.041% | -0.017 pp | +1.6% | No |
| Apr 2023 | $16.3bn | 0.055% | -0.000 pp | +3.2% | No |
| Mar 2023 | $16.1bn | 0.055% | +0.000 pp | -3.6% | No |
| Feb 2023 | $16.2bn | 0.057% | +0.005 pp | +5.3% | Yes |
| Jan 2023 | $16.6bn | 0.057% | +0.009 pp | +12.4% | Yes |
| Dec 2022 | $15.8bn | 0.057% | +0.013 pp | +9.6% | Yes |
| Nov 2022 | $16.9bn | 0.057% | +0.017 pp | +36.4% | Yes |
| Oct 2022 | $14.9bn | 0.053% | +0.013 pp | +18.7% | No |
| Sep 2022 | $14.2bn | 0.056% | +0.015 pp | +18.5% | No |
| Aug 2022 | $15.9bn | 0.057% | +0.014 pp | +19.3% | No |
| Jul 2022 | $16.9bn | 0.058% | +0.014 pp | +26.4% | Yes |
| Jun 2022 | $15.6bn | 0.061% | +0.016 pp | +19.7% | 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.