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
0.118%
12M weight contribution
-0.002 pp
3M weight contribution
+0.003 pp
12M price return
+32.1%
Share of matched S&P 500 members
Monthly observations through Feb 2025
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 |
|---|---|---|---|---|---|
| Feb 2025 | $52.7bn | 0.118% | -0.002 pp | +32.1% | Yes |
| Jan 2025 | $49.3bn | 0.110% | -0.007 pp | +31.9% | No |
| Dec 2024 | $48.8bn | 0.111% | -0.010 pp | +26.9% | Yes |
| Nov 2024 | $52.0bn | 0.115% | +0.004 pp | +55.0% | Yes |
| Oct 2024 | $47.9bn | 0.113% | +0.007 pp | +62.3% | Yes |
| Sep 2024 | $47.9bn | 0.111% | +0.009 pp | +65.0% | Yes |
| Aug 2024 | $47.4bn | 0.115% | +0.012 pp | +56.1% | Yes |
| Jul 2024 | $43.5bn | 0.078% | +0.001 pp | +30.4% | No |
| Jun 2024 | $43.0bn | 0.081% | +0.005 pp | +39.2% | No |
| May 2024 | $42.9bn | 0.082% | +0.008 pp | +52.9% | No |
| Apr 2024 | $39.8bn | 0.115% | +0.007 pp | +31.7% | No |
| Mar 2024 | $44.3bn | 0.123% | +0.015 pp | +48.5% | Yes |
| Feb 2024 | $42.0bn | 0.120% | -0.001 pp | +29.2% | Yes |
| Jan 2024 | $39.3bn | 0.117% | -0.008 pp | +14.9% | Yes |
| Dec 2023 | $40.4bn | 0.121% | +0.000 pp | +29.2% | Yes |
| Nov 2023 | $35.4bn | 0.110% | -0.005 pp | +11.4% | Yes |
| Oct 2023 | $31.1bn | 0.106% | -0.004 pp | +7.4% | Yes |
| Sep 2023 | $30.6bn | 0.102% | +0.002 pp | +28.2% | Yes |
| Aug 2023 | $32.2bn | 0.102% | -0.001 pp | +18.6% | Yes |
| Jul 2023 | $35.3bn | 0.077% | -0.029 pp | +22.2% | No |
| Jun 2023 | $32.7bn | 0.076% | -0.029 pp | +29.7% | No |
| May 2023 | $29.8bn | 0.074% | -0.043 pp | -2.4% | No |
| Apr 2023 | $32.1bn | 0.108% | -0.012 pp | +2.2% | No |
| Mar 2023 | $31.7bn | 0.108% | -0.017 pp | -9.4% | 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.