Observatory · observe first
Equinix
EQIX · United States · Data Center REITs · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.145%
12M weight contribution
-0.064 pp
3M weight contribution
-0.014 pp
12M price return
-21.5%
Share of matched S&P 500 members
Monthly observations through Nov 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 |
|---|---|---|---|---|---|
| Nov 2025 | $74.0bn | 0.145% | -0.064 pp | -21.5% | No |
| Oct 2025 | $83.1bn | 0.163% | -0.043 pp | -4.8% | No |
| Sep 2025 | $76.7bn | 0.153% | -0.043 pp | -9.9% | No |
| Aug 2025 | $76.9bn | 0.159% | -0.032 pp | -3.7% | No |
| Jul 2025 | $76.8bn | 0.162% | +0.028 pp | +1.4% | No |
| Jun 2025 | $77.8bn | 0.168% | +0.033 pp | +7.3% | No |
| May 2025 | $86.9bn | 0.197% | +0.059 pp | +18.9% | No |
| Apr 2025 | $84.2bn | 0.202% | +0.007 pp | +23.5% | Yes |
| Mar 2025 | $79.4bn | 0.188% | -0.028 pp | +0.8% | No |
| Feb 2025 | $88.0bn | 0.197% | -0.044 pp | +3.9% | No |
| Jan 2025 | $88.2bn | 0.196% | -0.036 pp | +12.3% | No |
| Dec 2024 | $91.0bn | 0.206% | -0.019 pp | +19.5% | Yes |
| Nov 2024 | $94.7bn | 0.209% | -0.030 pp | +22.9% | Yes |
| Oct 2024 | $87.6bn | 0.206% | -0.027 pp | +27.1% | Yes |
| Sep 2024 | $84.3bn | 0.196% | -0.031 pp | +24.8% | Yes |
| Aug 2024 | $79.2bn | 0.191% | -0.042 pp | +9.0% | Yes |
| Jul 2024 | $75.0bn | 0.134% | -0.031 pp | -0.4% | No |
| Jun 2024 | $71.8bn | 0.135% | -0.035 pp | -1.5% | No |
| May 2024 | $72.4bn | 0.138% | -0.034 pp | +4.4% | No |
| Apr 2024 | $67.3bn | 0.195% | -0.032 pp | +0.2% | No |
| Mar 2024 | $78.1bn | 0.217% | -0.012 pp | +16.7% | No |
| Feb 2024 | $84.1bn | 0.241% | +0.016 pp | +32.4% | Yes |
| Jan 2024 | $77.9bn | 0.232% | -0.002 pp | +14.7% | Yes |
| Dec 2023 | $75.6bn | 0.225% | +0.007 pp | +25.4% | Yes |
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.