Universe›Consumer Staples›Consumer Staples Merchandise Retail›Consumer Staples Merchandise Retail›Costco
Observatory · observe first
Costco
COST · United States · Consumer Staples Merchandise Retail · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.752%
12M weight contribution
-0.107 pp
3M weight contribution
+0.021 pp
12M price return
-13.1%
Share of matched S&P 500 members
Monthly observations through Mar 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 |
|---|---|---|---|---|---|
| Mar 2023 | $220.4bn | 0.752% | -0.107 pp | -13.1% | No |
| Feb 2023 | $214.8bn | 0.755% | -0.043 pp | -6.1% | No |
| Jan 2023 | $226.8bn | 0.776% | +0.023 pp | +1.9% | No |
| Dec 2022 | $202.6bn | 0.731% | -0.075 pp | -19.0% | No |
| Nov 2022 | $238.7bn | 0.810% | +0.005 pp | +0.6% | No |
| Oct 2022 | $222.0bn | 0.788% | +0.062 pp | +2.7% | No |
| Sep 2022 | $209.2bn | 0.822% | +0.125 pp | +5.8% | Yes |
| Aug 2022 | $231.3bn | 0.828% | +0.154 pp | +15.4% | Yes |
| Jul 2022 | $239.8bn | 0.824% | +0.173 pp | +26.8% | Yes |
| Jun 2022 | $212.3bn | 0.826% | +0.208 pp | +21.9% | Yes |
| May 2022 | $206.6bn | 0.744% | +0.144 pp | +24.1% | No |
| Apr 2022 | $235.7bn | 0.852% | +0.255 pp | +43.9% | Yes |
| Mar 2022 | $255.2bn | 0.859% | +0.554 pp | +64.5% | Yes |
| Feb 2022 | $230.3bn | 0.799% | +0.506 pp | +58.0% | Yes |
| Jan 2022 | $224.0bn | 0.753% | +0.379 pp | +44.4% | Yes |
| Dec 2021 | $251.7bn | 0.806% | +0.131 pp | +51.8% | Yes |
| Nov 2021 | $238.3bn | 0.805% | +0.071 pp | +42.4% | Yes |
| Oct 2021 | $217.2bn | 0.725% | -0.022 pp | +42.1% | Yes |
| Sep 2021 | $198.6bn | 0.697% | +0.697 pp | +30.9% | Yes |
| Aug 2021 | $201.4bn | 0.673% | +0.673 pp | +35.5% | Yes |
| Jul 2021 | $190.0bn | 0.651% | +0.651 pp | +36.5% | Yes |
| Jun 2021 | $174.9bn | 0.618% | +0.617 pp | +35.0% | Yes |
| May 2021 | $167.4bn | 0.600% | +0.599 pp | +26.9% | Yes |
| Apr 2021 | $164.7bn | 0.597% | -0.152 pp | +27.1% | 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.