MSCI

MSCI · United States · Financial Exchanges & Data · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.176%

12M weight contribution

+0.176 pp

3M weight contribution

+0.021 pp

12M price return

+71.7%

Share of matched S&P 500 members

Monthly observations through Sep 2021

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
Sep 2021	$50.2bn	0.176%	+0.176 pp	+71.7%	Yes
Aug 2021	$52.3bn	0.175%	+0.175 pp	+71.2%	Yes
Jul 2021	$49.1bn	0.168%	+0.168 pp	+59.7%	Yes
Jun 2021	$43.9bn	0.155%	+0.155 pp	+60.9%	Yes
May 2021	$38.6bn	0.138%	+0.138 pp	+43.4%	Yes
Apr 2021	$40.0bn	0.145%	-0.008 pp	+49.7%	Yes
Mar 2021	$34.6bn	0.068%	+0.068 pp	+46.3%	No
Feb 2021	$34.2bn	0.068%	+0.068 pp	+41.4%	No
Jan 2021	$32.8bn	0.078%	-0.041 pp	+39.5%	No
Dec 2020	$37.0bn	0.150%	+0.043 pp	+74.4%	Yes
Nov 2020	$33.9bn	0.144%	+0.034 pp	+59.3%	Yes
Oct 2020	$29.0bn	0.137%	+0.034 pp	+50.5%	Yes
Sep 2020	$29.8bn	0.000%	-0.098 pp	+65.3%	No
Aug 2020	$31.2bn	0.000%	-0.108 pp	+60.5%	No
Jul 2020	$31.4bn	0.000%	-0.102 pp	+67.1%	No
Jun 2020	$27.9bn	0.000%	-0.109 pp	+41.2%	No
May 2020	$27.5bn	0.000%	-0.108 pp	+51.0%	No
Apr 2020	$27.3bn	0.153%	+0.047 pp	+46.6%	Yes
Mar 2020	$24.5bn	0.000%	-0.096 pp	+46.9%	No
Feb 2020	$25.1bn	0.000%	-0.090 pp	+61.6%	No
Jan 2020	$24.2bn	0.119%	+0.070 pp	+69.8%	Yes
Dec 2019	$21.9bn	0.107%	+0.061 pp	+77.2%	Yes
Nov 2019	$22.0bn	0.111%	+0.065 pp	+66.9%	Yes
Oct 2019	$19.9bn	0.104%	+0.058 pp	+58.0%	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.