Observatory · observe first
NiSource
NI · United States · Multi-Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.037%
12M weight contribution
-0.005 pp
3M weight contribution
+0.006 pp
12M price return
+7.5%
Share of matched S&P 500 members
Monthly observations through Jul 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 |
|---|---|---|---|---|---|
| Jul 2026 | $21.3bn | 0.037% | -0.005 pp | +7.5% | Yes |
| Jun 2026 | $22.8bn | 0.040% | -0.001 pp | +21.0% | Yes |
| May 2026 | $22.2bn | 0.038% | -0.004 pp | +20.0% | Yes |
| Apr 2026 | $23.1bn | 0.031% | -0.013 pp | +26.7% | No |
| Mar 2026 | $22.3bn | 0.033% | -0.012 pp | +19.6% | No |
| Feb 2026 | $22.6bn | 0.031% | -0.012 pp | +19.1% | No |
| Jan 2026 | $21.1bn | 0.040% | +0.002 pp | +22.1% | Yes |
| Dec 2025 | $19.9bn | 0.039% | +0.000 pp | +16.8% | No |
| Nov 2025 | $21.1bn | 0.041% | +0.002 pp | +19.1% | Yes |
| Oct 2025 | $20.1bn | 0.039% | +0.001 pp | +23.2% | No |
| Sep 2025 | $20.4bn | 0.041% | +0.005 pp | +28.6% | No |
| Aug 2025 | $19.9bn | 0.041% | +0.005 pp | +31.6% | No |
| Jul 2025 | $20.0bn | 0.042% | +0.017 pp | +39.8% | No |
| Jun 2025 | $19.0bn | 0.041% | +0.017 pp | +44.4% | No |
| May 2025 | $18.6bn | 0.042% | +0.017 pp | +40.3% | Yes |
| Apr 2025 | $18.4bn | 0.044% | +0.008 pp | +44.7% | Yes |
| Mar 2025 | $18.8bn | 0.045% | +0.010 pp | +49.8% | Yes |
| Feb 2025 | $19.2bn | 0.043% | +0.009 pp | +61.9% | Yes |
| Jan 2025 | $17.4bn | 0.039% | +0.007 pp | +48.8% | Yes |
| Dec 2024 | $17.2bn | 0.039% | +0.006 pp | +43.5% | Yes |
| Nov 2024 | $17.8bn | 0.039% | +0.006 pp | +54.0% | Yes |
| Oct 2024 | $16.4bn | 0.039% | +0.003 pp | +44.8% | Yes |
| Sep 2024 | $15.5bn | 0.036% | +0.002 pp | +45.8% | Yes |
| Aug 2024 | $14.8bn | 0.036% | +0.001 pp | +28.3% | 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.