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
0.828%
12M weight contribution
+0.154 pp
3M weight contribution
+0.084 pp
12M price return
+15.4%

Share of matched S&P 500 members

Monthly observations through Aug 2022

0.00.40.820182019202020212022

Company price index

A separate dimension from market allocation

10520630720182019202020212022

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
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
Jun 2021$174.9bn0.618%+0.617 pp+35.0%Yes
May 2021$167.4bn0.600%+0.599 pp+26.9%Yes
Apr 2021$164.7bn0.597%-0.152 pp+27.1%Yes
Mar 2021$156.0bn0.305%+0.304 pp+27.9%No
Feb 2021$146.6bn0.293%+0.293 pp+21.8%No
Jan 2021$156.1bn0.374%-0.292 pp+19.4%No
Dec 2020$166.9bn0.675%+0.038 pp+32.7%Yes
Nov 2020$172.9bn0.734%+0.070 pp+31.8%Yes
Oct 2020$157.8bn0.747%+0.066 pp+21.4%Yes
Sep 2020$156.7bn0.001%-0.672 pp+24.3%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.