Observatory · observe first
UDR, Inc.
UDR · United States · Multi-Family Residential REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.017%
12M weight contribution
-0.017 pp
3M weight contribution
-0.007 pp
12M price return
-13.2%
Share of matched S&P 500 members
Monthly observations through Feb 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 |
|---|---|---|---|---|---|
| Feb 2026 | $12.3bn | 0.017% | -0.017 pp | -13.2% | No |
| Jan 2026 | $12.3bn | 0.023% | -0.007 pp | -6.9% | No |
| Dec 2025 | $12.1bn | 0.024% | -0.009 pp | -11.8% | No |
| Nov 2025 | $12.0bn | 0.024% | -0.010 pp | -17.1% | No |
| Oct 2025 | $11.1bn | 0.022% | -0.011 pp | -16.6% | No |
| Sep 2025 | $12.3bn | 0.025% | -0.010 pp | -14.4% | No |
| Aug 2025 | $13.1bn | 0.027% | -0.008 pp | -7.4% | No |
| Jul 2025 | $13.0bn | 0.027% | +0.004 pp | +2.2% | No |
| Jun 2025 | $13.5bn | 0.029% | +0.004 pp | +3.4% | No |
| May 2025 | $13.7bn | 0.031% | +0.007 pp | +11.8% | No |
| Apr 2025 | $13.9bn | 0.033% | -0.003 pp | +14.6% | Yes |
| Mar 2025 | $15.0bn | 0.036% | +0.001 pp | +25.9% | Yes |
| Feb 2025 | $15.0bn | 0.033% | -0.000 pp | +32.7% | Yes |
| Jan 2025 | $13.8bn | 0.031% | -0.005 pp | +20.8% | No |
| Dec 2024 | $14.3bn | 0.032% | -0.005 pp | +18.3% | Yes |
| Nov 2024 | $15.1bn | 0.033% | -0.001 pp | +43.3% | Yes |
| Oct 2024 | $13.9bn | 0.033% | -0.003 pp | +38.4% | Yes |
| Sep 2024 | $15.0bn | 0.035% | -0.004 pp | +32.9% | Yes |
| Aug 2024 | $14.7bn | 0.035% | -0.006 pp | +16.6% | Yes |
| Jul 2024 | $13.2bn | 0.024% | -0.006 pp | +2.5% | No |
| Jun 2024 | $13.6bn | 0.025% | -0.007 pp | +0.1% | No |
| May 2024 | $12.7bn | 0.024% | -0.008 pp | +1.7% | No |
| Apr 2024 | $12.5bn | 0.036% | -0.010 pp | -3.7% | Yes |
| Mar 2024 | $12.3bn | 0.034% | -0.012 pp | -4.9% | 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.