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
0.552%
12M weight contribution
-0.274 pp
3M weight contribution
-0.200 pp
12M price return
+13.2%

Share of matched S&P 500 members

Monthly observations through Jun 2023

0.00.40.8201820192020202120222023

Company price index

A separate dimension from market allocation

105206307201820192020202120222023

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jun 2023$238.6bn0.552%-0.274 pp+13.2%No
May 2023$226.9bn0.560%-0.184 pp+10.5%No
Apr 2023$223.2bn0.754%-0.098 pp-4.9%No
Mar 2023$220.4bn0.752%-0.107 pp-13.1%No
Feb 2023$214.8bn0.755%-0.043 pp-6.1%No
Jan 2023$226.8bn0.776%+0.023 pp+1.9%No
Dec 2022$202.6bn0.731%-0.075 pp-19.0%No
Nov 2022$238.7bn0.810%+0.005 pp+0.6%No
Oct 2022$222.0bn0.788%+0.062 pp+2.7%No
Sep 2022$209.2bn0.822%+0.125 pp+5.8%Yes
Aug 2022$231.3bn0.828%+0.154 pp+15.4%Yes
Jul 2022$239.8bn0.824%+0.173 pp+26.8%Yes
Jun 2022$212.3bn0.826%+0.208 pp+21.9%Yes
May 2022$206.6bn0.744%+0.144 pp+24.1%No
Apr 2022$235.7bn0.852%+0.255 pp+43.9%Yes
Mar 2022$255.2bn0.859%+0.554 pp+64.5%Yes
Feb 2022$230.3bn0.799%+0.506 pp+58.0%Yes
Jan 2022$224.0bn0.753%+0.379 pp+44.4%Yes
Dec 2021$251.7bn0.806%+0.131 pp+51.8%Yes
Nov 2021$238.3bn0.805%+0.071 pp+42.4%Yes
Oct 2021$217.2bn0.725%-0.022 pp+42.1%Yes
Sep 2021$198.6bn0.697%+0.697 pp+30.9%Yes
Aug 2021$201.4bn0.673%+0.673 pp+35.5%Yes
Jul 2021$190.0bn0.651%+0.651 pp+36.5%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.