Observatory · observe first
Pinnacle West Capital
PNW · United States · Multi-Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.021%
12M weight contribution
-0.001 pp
3M weight contribution
+0.001 pp
12M price return
+12.0%
Share of matched S&P 500 members
Monthly observations through Jan 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 |
|---|---|---|---|---|---|
| Jan 2026 | $11.2bn | 0.021% | -0.001 pp | +12.0% | Yes |
| Dec 2025 | $10.6bn | 0.021% | -0.001 pp | +8.9% | No |
| Nov 2025 | $10.9bn | 0.021% | -0.002 pp | +0.9% | No |
| Oct 2025 | $10.6bn | 0.021% | -0.003 pp | +5.0% | No |
| Sep 2025 | $10.7bn | 0.021% | -0.002 pp | +5.4% | No |
| Aug 2025 | $10.7bn | 0.022% | -0.002 pp | +6.3% | No |
| Jul 2025 | $10.8bn | 0.023% | +0.005 pp | +10.3% | No |
| Jun 2025 | $10.7bn | 0.023% | +0.007 pp | +22.0% | No |
| May 2025 | $10.9bn | 0.025% | +0.008 pp | +20.5% | Yes |
| Apr 2025 | $11.3bn | 0.027% | +0.003 pp | +33.3% | Yes |
| Mar 2025 | $11.3bn | 0.027% | +0.003 pp | +33.1% | Yes |
| Feb 2025 | $11.0bn | 0.025% | +0.002 pp | +41.4% | Yes |
| Jan 2025 | $9.9bn | 0.022% | -0.001 pp | +30.4% | No |
| Dec 2024 | $9.6bn | 0.022% | -0.002 pp | +23.5% | No |
| Nov 2024 | $10.7bn | 0.024% | -0.003 pp | +30.8% | Yes |
| Oct 2024 | $10.0bn | 0.023% | -0.005 pp | +22.6% | Yes |
| Sep 2024 | $10.1bn | 0.023% | -0.004 pp | +26.0% | Yes |
| Aug 2024 | $9.9bn | 0.024% | -0.004 pp | +18.7% | Yes |
| Jul 2024 | $9.7bn | 0.017% | -0.003 pp | +7.2% | No |
| Jun 2024 | $8.7bn | 0.016% | -0.005 pp | -1.8% | No |
| May 2024 | $9.0bn | 0.017% | -0.005 pp | +6.9% | No |
| Apr 2024 | $8.4bn | 0.024% | -0.006 pp | -1.6% | Yes |
| Mar 2024 | $8.5bn | 0.024% | -0.007 pp | -1.3% | No |
| Feb 2024 | $7.8bn | 0.022% | -0.007 pp | -2.9% | 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.