Observatory · observe first
BXP, Inc.
BXP · United States · Office REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.017%
12M weight contribution
-0.008 pp
3M weight contribution
+0.004 pp
12M price return
-6.5%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2026 | $9.6bn | 0.017% | -0.008 pp | -6.5% | Yes |
| Apr 2026 | $9.3bn | 0.013% | -0.012 pp | -3.8% | No |
| Mar 2026 | $8.2bn | 0.012% | -0.013 pp | -19.0% | No |
| Feb 2026 | $9.1bn | 0.013% | -0.013 pp | -14.8% | No |
| Jan 2026 | $10.2bn | 0.020% | -0.006 pp | -7.2% | No |
| Dec 2025 | $10.7bn | 0.021% | -0.006 pp | -4.7% | No |
| Nov 2025 | $11.5bn | 0.023% | -0.006 pp | -7.1% | No |
| Oct 2025 | $11.3bn | 0.022% | -0.008 pp | -7.0% | No |
| Sep 2025 | $11.8bn | 0.024% | -0.006 pp | -2.7% | Yes |
| Aug 2025 | $11.5bn | 0.024% | -0.005 pp | +1.8% | Yes |
| Jul 2025 | $10.4bn | 0.022% | +0.002 pp | -3.1% | No |
| Jun 2025 | $10.7bn | 0.023% | +0.005 pp | +15.7% | No |
| May 2025 | $10.7bn | 0.024% | +0.006 pp | +17.4% | No |
| Apr 2025 | $10.1bn | 0.024% | -0.004 pp | +8.9% | No |
| Mar 2025 | $10.6bn | 0.025% | -0.003 pp | +8.8% | No |
| Feb 2025 | $11.2bn | 0.025% | -0.004 pp | +16.1% | No |
| Jan 2025 | $11.6bn | 0.026% | -0.005 pp | +16.5% | No |
| Dec 2024 | $11.8bn | 0.027% | -0.006 pp | +12.3% | No |
| Nov 2024 | $13.0bn | 0.029% | +0.001 pp | +52.7% | Yes |
| Oct 2024 | $12.7bn | 0.030% | +0.001 pp | +59.4% | Yes |
| Sep 2024 | $12.7bn | 0.030% | -0.002 pp | +43.4% | Yes |
| Aug 2024 | $11.9bn | 0.029% | -0.005 pp | +20.0% | Yes |
| Jul 2024 | $11.2bn | 0.020% | -0.003 pp | +14.0% | No |
| Jun 2024 | $9.7bn | 0.018% | -0.003 pp | +13.8% | 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.