Observatory · observe first
Public Storage
PSA · United States · Self-Storage REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.069%
12M weight contribution
-0.055 pp
3M weight contribution
-0.020 pp
12M price return
-5.7%
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 | $47.5bn | 0.069% | -0.055 pp | -5.7% | No |
| Feb 2026 | $53.9bn | 0.074% | -0.045 pp | +5.4% | No |
| Jan 2026 | $48.5bn | 0.093% | -0.023 pp | -3.6% | No |
| Dec 2025 | $45.5bn | 0.089% | -0.030 pp | -9.7% | No |
| Nov 2025 | $48.2bn | 0.095% | -0.040 pp | -17.9% | No |
| Oct 2025 | $48.9bn | 0.096% | -0.040 pp | -11.9% | No |
| Sep 2025 | $50.7bn | 0.101% | -0.047 pp | -17.4% | No |
| Aug 2025 | $51.7bn | 0.107% | -0.038 pp | -11.0% | No |
| Jul 2025 | $47.7bn | 0.101% | +0.008 pp | -4.6% | No |
| Jun 2025 | $51.5bn | 0.111% | +0.016 pp | +5.9% | No |
| May 2025 | $54.1bn | 0.123% | +0.031 pp | +17.1% | Yes |
| Apr 2025 | $52.7bn | 0.127% | -0.005 pp | +20.4% | Yes |
| Mar 2025 | $52.5bn | 0.125% | -0.017 pp | +7.3% | No |
| Feb 2025 | $53.3bn | 0.119% | -0.024 pp | +11.2% | No |
| Jan 2025 | $52.3bn | 0.116% | -0.032 pp | +9.6% | No |
| Dec 2024 | $52.4bn | 0.119% | -0.041 pp | +2.1% | No |
| Nov 2024 | $60.9bn | 0.134% | -0.007 pp | +40.1% | Yes |
| Oct 2024 | $57.6bn | 0.135% | -0.007 pp | +43.6% | Yes |
| Sep 2024 | $63.7bn | 0.148% | -0.006 pp | +43.8% | Yes |
| Aug 2024 | $60.2bn | 0.145% | -0.010 pp | +29.8% | Yes |
| Jul 2024 | $51.8bn | 0.093% | -0.015 pp | +9.7% | No |
| Jun 2024 | $50.5bn | 0.095% | -0.024 pp | +2.9% | No |
| May 2024 | $48.1bn | 0.092% | -0.031 pp | +0.9% | No |
| Apr 2024 | $45.6bn | 0.132% | -0.043 pp | -8.2% | 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.