Observatory · observe first
Extra Space Storage
EXR · United States · Self-Storage REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.055%
12M weight contribution
-0.006 pp
3M weight contribution
+0.014 pp
12M price return
+15.3%
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 | $31.3bn | 0.055% | -0.006 pp | +15.3% | Yes |
| Jun 2026 | $30.7bn | 0.053% | -0.014 pp | +3.1% | Yes |
| May 2026 | $30.5bn | 0.053% | -0.020 pp | -0.1% | Yes |
| Apr 2026 | $30.3bn | 0.041% | -0.034 pp | +2.4% | No |
| Mar 2026 | $27.7bn | 0.040% | -0.034 pp | -7.6% | No |
| Feb 2026 | $31.9bn | 0.044% | -0.029 pp | +3.6% | No |
| Jan 2026 | $29.3bn | 0.056% | -0.017 pp | -6.3% | No |
| Dec 2025 | $27.6bn | 0.054% | -0.018 pp | -8.9% | No |
| Nov 2025 | $28.3bn | 0.056% | -0.024 pp | -18.6% | No |
| Oct 2025 | $28.3bn | 0.056% | -0.026 pp | -14.6% | No |
| Sep 2025 | $29.9bn | 0.060% | -0.029 pp | -18.3% | No |
| Aug 2025 | $30.5bn | 0.063% | -0.027 pp | -15.4% | No |
| Jul 2025 | $28.5bn | 0.060% | -0.000 pp | -12.2% | No |
| Jun 2025 | $31.3bn | 0.067% | +0.006 pp | -1.1% | No |
| May 2025 | $32.1bn | 0.073% | +0.014 pp | +8.8% | No |
| Apr 2025 | $31.1bn | 0.075% | -0.008 pp | +13.7% | Yes |
| Mar 2025 | $31.5bn | 0.075% | -0.012 pp | +5.2% | No |
| Feb 2025 | $32.3bn | 0.072% | -0.013 pp | +12.7% | No |
| Jan 2025 | $32.6bn | 0.073% | -0.018 pp | +11.1% | No |
| Dec 2024 | $31.7bn | 0.072% | -0.029 pp | -2.8% | No |
| Nov 2024 | $36.2bn | 0.080% | -0.006 pp | +36.9% | Yes |
| Oct 2024 | $34.6bn | 0.081% | +0.007 pp | +64.3% | Yes |
| Sep 2024 | $38.2bn | 0.089% | +0.003 pp | +54.5% | Yes |
| Aug 2024 | $37.5bn | 0.091% | +0.004 pp | +42.8% | 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.