Observatory · observe first
WEC Energy Group
WEC · United States · Electric Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.055%
12M weight contribution
-0.027 pp
3M weight contribution
-0.012 pp
12M price return
+9.8%
Share of matched S&P 500 members
Monthly observations through Mar 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 |
|---|---|---|---|---|---|
| Mar 2026 | $37.7bn | 0.055% | -0.027 pp | +9.8% | No |
| Feb 2026 | $38.1bn | 0.052% | -0.024 pp | +13.3% | No |
| Jan 2026 | $36.0bn | 0.069% | -0.001 pp | +15.3% | No |
| Dec 2025 | $34.3bn | 0.067% | -0.000 pp | +16.0% | No |
| Nov 2025 | $36.5bn | 0.072% | +0.001 pp | +14.7% | No |
| Oct 2025 | $36.3bn | 0.071% | +0.000 pp | +21.0% | No |
| Sep 2025 | $36.9bn | 0.074% | +0.003 pp | +23.3% | No |
| Aug 2025 | $34.3bn | 0.071% | +0.000 pp | +18.5% | No |
| Jul 2025 | $34.8bn | 0.073% | +0.025 pp | +31.3% | No |
| Jun 2025 | $33.3bn | 0.072% | +0.025 pp | +37.6% | No |
| May 2025 | $34.3bn | 0.078% | +0.029 pp | +37.4% | Yes |
| Apr 2025 | $34.8bn | 0.084% | +0.008 pp | +37.4% | Yes |
| Mar 2025 | $34.6bn | 0.082% | +0.010 pp | +37.6% | Yes |
| Feb 2025 | $33.9bn | 0.076% | +0.005 pp | +41.0% | Yes |
| Jan 2025 | $31.4bn | 0.070% | -0.006 pp | +27.7% | No |
| Dec 2024 | $29.8bn | 0.067% | -0.012 pp | +16.1% | Yes |
| Nov 2024 | $32.0bn | 0.071% | -0.012 pp | +25.6% | Yes |
| Oct 2024 | $30.2bn | 0.071% | -0.016 pp | +22.1% | Yes |
| Sep 2024 | $30.4bn | 0.071% | -0.014 pp | +24.2% | Yes |
| Aug 2024 | $29.4bn | 0.071% | -0.014 pp | +15.1% | Yes |
| Jul 2024 | $27.2bn | 0.049% | -0.013 pp | -0.4% | No |
| Jun 2024 | $24.8bn | 0.046% | -0.018 pp | -7.5% | No |
| May 2024 | $25.6bn | 0.049% | -0.019 pp | -3.5% | No |
| Apr 2024 | $26.1bn | 0.076% | -0.027 pp | -10.8% | 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.