Observatory · observe first
CMS Energy
CMS · United States · Multi-Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.041%
12M weight contribution
-0.004 pp
3M weight contribution
+0.006 pp
12M price return
+13.8%
Share of matched S&P 500 members
Monthly observations through Jun 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 |
|---|---|---|---|---|---|
| Jun 2026 | $23.6bn | 0.041% | -0.004 pp | +13.8% | Yes |
| May 2026 | $22.4bn | 0.039% | -0.009 pp | +6.5% | Yes |
| Apr 2026 | $23.7bn | 0.032% | -0.021 pp | +7.3% | No |
| Mar 2026 | $23.8bn | 0.035% | -0.019 pp | +6.4% | No |
| Feb 2026 | $23.9bn | 0.033% | -0.016 pp | +10.1% | No |
| Jan 2026 | $21.8bn | 0.042% | -0.002 pp | +11.6% | No |
| Dec 2025 | $21.3bn | 0.042% | -0.003 pp | +8.1% | No |
| Nov 2025 | $23.0bn | 0.045% | -0.001 pp | +11.5% | Yes |
| Oct 2025 | $22.4bn | 0.044% | -0.005 pp | +8.9% | No |
| Sep 2025 | $21.9bn | 0.044% | -0.005 pp | +6.9% | No |
| Aug 2025 | $21.4bn | 0.044% | -0.005 pp | +8.7% | No |
| Jul 2025 | $22.1bn | 0.047% | +0.012 pp | +17.4% | No |
| Jun 2025 | $20.7bn | 0.045% | +0.011 pp | +20.0% | No |
| May 2025 | $21.0bn | 0.048% | +0.012 pp | +15.1% | No |
| Apr 2025 | $22.0bn | 0.053% | +0.000 pp | +25.4% | Yes |
| Mar 2025 | $22.4bn | 0.053% | +0.004 pp | +28.4% | Yes |
| Feb 2025 | $21.8bn | 0.049% | +0.000 pp | +31.4% | Yes |
| Jan 2025 | $19.7bn | 0.044% | -0.006 pp | +19.3% | No |
| Dec 2024 | $19.9bn | 0.045% | -0.005 pp | +18.6% | No |
| Nov 2024 | $20.8bn | 0.046% | -0.006 pp | +26.9% | Yes |
| Oct 2024 | $20.8bn | 0.049% | -0.005 pp | +32.6% | Yes |
| Sep 2024 | $21.1bn | 0.049% | -0.003 pp | +37.6% | Yes |
| Aug 2024 | $20.3bn | 0.049% | -0.003 pp | +25.0% | Yes |
| Jul 2024 | $19.4bn | 0.035% | -0.004 pp | +9.8% | No |
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.