Observatory · observe first
Simon Property Group
SPG · United States · Retail REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.129%
12M weight contribution
+0.129 pp
3M weight contribution
-0.001 pp
12M price return
+114.9%
Share of matched S&P 500 members
Monthly observations through Sep 2021
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 |
|---|---|---|---|---|---|
| Sep 2021 | $36.8bn | 0.129% | +0.129 pp | +114.9% | Yes |
| Aug 2021 | $38.1bn | 0.127% | +0.127 pp | +109.6% | Yes |
| Jul 2021 | $35.8bn | 0.123% | +0.123 pp | +114.6% | Yes |
| Jun 2021 | $37.0bn | 0.130% | +0.130 pp | +103.7% | Yes |
| May 2021 | $36.4bn | 0.130% | +0.130 pp | +137.7% | Yes |
| Apr 2021 | $34.5bn | 0.125% | +0.019 pp | +94.6% | Yes |
| Mar 2021 | $32.2bn | 0.063% | +0.063 pp | +118.9% | No |
| Feb 2021 | $32.0bn | 0.064% | +0.064 pp | -3.2% | No |
| Jan 2021 | $26.3bn | 0.063% | -0.123 pp | -25.2% | Yes |
| Dec 2020 | $24.2bn | 0.098% | -0.109 pp | -38.6% | Yes |
| Nov 2020 | $23.4bn | 0.099% | -0.116 pp | -42.4% | Yes |
| Oct 2020 | $17.8bn | 0.084% | -0.138 pp | -55.4% | Yes |
| Sep 2020 | $18.3bn | 0.000% | -0.234 pp | -56.4% | No |
| Aug 2020 | $19.2bn | 0.000% | -0.229 pp | -52.2% | No |
| Jul 2020 | $17.7bn | 0.000% | -0.244 pp | -59.1% | No |
| Jun 2020 | $19.4bn | 0.000% | -0.244 pp | -55.3% | No |
| May 2020 | $16.3bn | 0.000% | -0.267 pp | -62.8% | No |
| Apr 2020 | $18.9bn | 0.106% | -0.168 pp | -59.4% | No |
| Mar 2020 | $15.5bn | 0.000% | -0.296 pp | -68.2% | No |
| Feb 2020 | $34.9bn | 0.000% | -0.297 pp | -28.3% | No |
| Jan 2020 | $37.7bn | 0.186% | +0.016 pp | -23.1% | No |
| Dec 2019 | $42.2bn | 0.207% | +0.037 pp | -6.7% | No |
| Nov 2019 | $42.8bn | 0.216% | +0.041 pp | -14.4% | No |
| Oct 2019 | $42.7bn | 0.222% | +0.046 pp | -13.9% | 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.