Ameren

AEE · United States · Multi-Utilities · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.078%

12M weight contribution

+0.007 pp

3M weight contribution

-0.007 pp

12M price return

+12.3%

Share of matched S&P 500 members

Monthly observations through Nov 2022

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
Nov 2022	$23.1bn	0.078%	+0.007 pp	+12.3%	No
Oct 2022	$21.1bn	0.075%	+0.002 pp	-0.8%	No
Sep 2022	$20.8bn	0.082%	+0.009 pp	+2.0%	No
Aug 2022	$23.9bn	0.086%	+0.010 pp	+8.3%	No
Jul 2022	$24.0bn	0.083%	+0.009 pp	+13.8%	No
Jun 2022	$23.3bn	0.091%	+0.019 pp	+15.8%	Yes
May 2022	$24.6bn	0.089%	+0.011 pp	+16.0%	Yes
Apr 2022	$23.9bn	0.087%	+0.009 pp	+12.4%	Yes
Mar 2022	$24.2bn	0.081%	+0.041 pp	+18.2%	Yes
Feb 2022	$22.2bn	0.077%	+0.041 pp	+25.6%	Yes
Jan 2022	$22.9bn	0.077%	+0.034 pp	+25.3%	Yes
Dec 2021	$22.9bn	0.073%	-0.005 pp	+17.1%	Yes
Nov 2021	$21.0bn	0.071%	-0.011 pp	+7.7%	No
Oct 2021	$21.7bn	0.072%	-0.022 pp	+6.7%	No
Sep 2021	$20.8bn	0.073%	+0.073 pp	+5.2%	No
Aug 2021	$22.6bn	0.075%	+0.075 pp	+13.9%	Yes
Jul 2021	$21.4bn	0.074%	+0.073 pp	+7.4%	Yes
Jun 2021	$20.5bn	0.072%	+0.072 pp	+16.8%	Yes
May 2021	$21.5bn	0.077%	+0.077 pp	+15.7%	Yes
Apr 2021	$21.5bn	0.078%	-0.022 pp	+19.8%	Yes
Mar 2021	$20.6bn	0.040%	+0.040 pp	+14.7%	No
Feb 2021	$17.8bn	0.036%	+0.036 pp	-8.8%	No
Jan 2021	$18.0bn	0.043%	-0.057 pp	-9.1%	No
Dec 2020	$19.3bn	0.078%	-0.015 pp	+4.3%	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.