Ameren

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

Historical time machine

Historical observation

20182026

Universe weight

0.054%

12M weight contribution

-0.022 pp

3M weight contribution

-0.013 pp

12M price return

-17.4%

Share of matched S&P 500 members

Monthly observations through Jan 2024

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
Jan 2024	$18.3bn	0.054%	-0.022 pp	-17.4%	No
Dec 2023	$19.0bn	0.057%	-0.026 pp	-16.1%	No
Nov 2023	$20.4bn	0.064%	-0.015 pp	-10.5%	Yes
Oct 2023	$19.9bn	0.068%	-0.007 pp	-4.3%	Yes
Sep 2023	$19.7bn	0.066%	-0.016 pp	-4.3%	Yes
Aug 2023	$20.8bn	0.066%	-0.019 pp	-12.0%	Yes
Jul 2023	$22.5bn	0.049%	-0.034 pp	-5.4%	No
Jun 2023	$21.4bn	0.050%	-0.041 pp	-7.0%	No
May 2023	$21.3bn	0.053%	-0.036 pp	-12.5%	No
Apr 2023	$23.3bn	0.079%	-0.008 pp	-1.6%	Yes
Mar 2023	$22.6bn	0.077%	-0.004 pp	-5.3%	No
Feb 2023	$21.7bn	0.076%	-0.001 pp	-1.2%	No
Jan 2023	$22.5bn	0.077%	-0.000 pp	+0.5%	No
Dec 2022	$23.0bn	0.083%	+0.009 pp	+2.5%	Yes
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

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.