Observatory · observe first
Alexandria Real Estate Equities
ARE · United States · Office REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.012%
12M weight contribution
-0.026 pp
3M weight contribution
-0.005 pp
12M price return
-46.5%
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 | $8.0bn | 0.012% | -0.026 pp | -46.5% | No |
| Feb 2026 | $9.4bn | 0.013% | -0.027 pp | -43.7% | No |
| Jan 2026 | $9.5bn | 0.018% | -0.019 pp | -40.3% | No |
| Dec 2025 | $8.5bn | 0.017% | -0.022 pp | -46.6% | No |
| Nov 2025 | $9.3bn | 0.018% | -0.024 pp | -48.2% | No |
| Oct 2025 | $10.1bn | 0.020% | -0.026 pp | -44.5% | No |
| Sep 2025 | $14.4bn | 0.029% | -0.020 pp | -25.4% | Yes |
| Aug 2025 | $14.3bn | 0.030% | -0.021 pp | -27.0% | No |
| Jul 2025 | $13.2bn | 0.028% | -0.009 pp | -31.1% | No |
| Jun 2025 | $12.6bn | 0.027% | -0.011 pp | -34.3% | No |
| May 2025 | $12.1bn | 0.028% | -0.012 pp | -38.0% | No |
| Apr 2025 | $12.6bn | 0.030% | -0.029 pp | -34.1% | No |
| Mar 2025 | $16.0bn | 0.038% | -0.025 pp | -24.6% | No |
| Feb 2025 | $17.7bn | 0.040% | -0.023 pp | -14.2% | No |
| Jan 2025 | $16.9bn | 0.037% | -0.025 pp | -15.7% | No |
| Dec 2024 | $17.0bn | 0.039% | -0.027 pp | -19.4% | No |
| Nov 2024 | $19.3bn | 0.043% | -0.017 pp | +5.1% | No |
| Oct 2024 | $19.5bn | 0.046% | -0.009 pp | +24.9% | Yes |
| Sep 2024 | $20.8bn | 0.048% | -0.009 pp | +23.7% | Yes |
| Aug 2024 | $20.9bn | 0.051% | -0.014 pp | +7.4% | Yes |
| Jul 2024 | $20.5bn | 0.037% | -0.011 pp | -2.5% | No |
| Jun 2024 | $20.5bn | 0.038% | -0.007 pp | +7.7% | No |
| May 2024 | $20.8bn | 0.040% | -0.009 pp | +9.6% | No |
| Apr 2024 | $20.3bn | 0.059% | -0.014 pp | -2.5% | 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.