Willis Towers Watson

WTW · United States · Insurance Brokers · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.083%

12M weight contribution

-0.001 pp

3M weight contribution

+0.035 pp

12M price return

+9.7%

Share of matched S&P 500 members

Monthly observations through Oct 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
Oct 2023	$24.4bn	0.083%	-0.001 pp	+9.7%	Yes
Sep 2023	$21.9bn	0.073%	-0.014 pp	+5.5%	Yes
Aug 2023	$21.7bn	0.069%	-0.012 pp	+1.4%	Yes
Jul 2023	$22.2bn	0.048%	-0.030 pp	+3.6%	No
Jun 2023	$25.1bn	0.058%	-0.028 pp	+21.1%	No
May 2023	$23.3bn	0.058%	-0.027 pp	+5.3%	No
Apr 2023	$24.6bn	0.083%	-0.003 pp	+9.4%	No
Mar 2023	$24.8bn	0.084%	-0.009 pp	-0.1%	No
Feb 2023	$25.0bn	0.088%	-0.003 pp	+7.0%	No
Jan 2023	$27.5bn	0.094%	-0.004 pp	+10.3%	Yes
Dec 2022	$26.5bn	0.096%	+0.096 pp	+4.5%	Yes
Nov 2022	$26.6bn	0.090%	+0.090 pp	+10.6%	Yes
Oct 2022	$23.6bn	0.084%	+0.084 pp	-8.6%	Yes
Sep 2022	$22.1bn	0.087%	+0.087 pp	-12.3%	Yes
Aug 2022	$22.7bn	0.081%	+0.081 pp	-4.9%	No
Jul 2022	$22.8bn	0.078%	+0.078 pp	+1.9%	No
Jun 2022	$22.0bn	0.086%	+0.086 pp	-12.9%	No
May 2022	$23.5bn	0.085%	+0.085 pp	-18.4%	Yes
Apr 2022	$24.0bn	0.087%	+0.087 pp	-15.9%	Yes
Mar 2022	$27.8bn	0.094%	+0.094 pp	+4.6%	Yes
Feb 2022	$26.2bn	0.091%	+0.091 pp	+2.0%	Yes
Jan 2022	$29.2bn	0.098%	+0.098 pp	+16.8%	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.