Observatory · observe first
Cigna
CI · United States · Health Care Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.181%
12M weight contribution
-0.126 pp
3M weight contribution
-0.124 pp
12M price return
-6.3%
Share of matched S&P 500 members
Monthly observations through May 2023
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 2023 | $73.2bn | 0.181% | -0.126 pp | -6.3% | No |
| Apr 2023 | $75.2bn | 0.254% | -0.032 pp | +4.3% | No |
| Mar 2023 | $75.9bn | 0.259% | +0.000 pp | +8.4% | No |
| Feb 2023 | $86.8bn | 0.305% | +0.040 pp | +24.9% | No |
| Jan 2023 | $96.8bn | 0.331% | +0.074 pp | +39.7% | No |
| Dec 2022 | $101.3bn | 0.366% | +0.122 pp | +46.7% | Yes |
| Nov 2022 | $100.6bn | 0.341% | +0.126 pp | +74.5% | Yes |
| Oct 2022 | $98.6bn | 0.350% | +0.107 pp | +54.0% | Yes |
| Sep 2022 | $84.7bn | 0.333% | +0.094 pp | +41.1% | Yes |
| Aug 2022 | $86.5bn | 0.310% | +0.069 pp | +36.5% | Yes |
| Jul 2022 | $87.4bn | 0.300% | +0.030 pp | +22.3% | Yes |
| Jun 2022 | $83.6bn | 0.325% | +0.038 pp | +13.3% | Yes |
| May 2022 | $85.1bn | 0.307% | -0.012 pp | +5.6% | Yes |
| Apr 2022 | $79.2bn | 0.286% | -0.031 pp | +0.9% | Yes |
| Mar 2022 | $76.9bn | 0.259% | +0.093 pp | +1.0% | Yes |
| Feb 2022 | $76.3bn | 0.265% | +0.117 pp | +15.3% | Yes |
| Jan 2022 | $76.4bn | 0.257% | +0.069 pp | +8.1% | Yes |
| Dec 2021 | $76.1bn | 0.244% | -0.061 pp | +12.3% | Yes |
| Nov 2021 | $63.6bn | 0.215% | -0.106 pp | -7.1% | No |
| Oct 2021 | $72.7bn | 0.243% | -0.048 pp | +29.6% | No |
| Sep 2021 | $68.1bn | 0.239% | +0.239 pp | +19.7% | No |
| Aug 2021 | $72.0bn | 0.241% | +0.240 pp | +20.3% | No |
| Jul 2021 | $78.7bn | 0.270% | +0.270 pp | +34.0% | Yes |
| Jun 2021 | $81.3bn | 0.287% | +0.287 pp | +27.4% | 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.