Ametek

AME · United States · Electrical Components & Equipment · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.110%

12M weight contribution

+0.054 pp

3M weight contribution

+0.000 pp

12M price return

+34.1%

Share of matched S&P 500 members

Monthly observations through Jan 2020

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 2020	$22.2bn	0.110%	+0.054 pp	+34.1%	No
Dec 2019	$22.8bn	0.112%	+0.056 pp	+48.3%	Yes
Nov 2019	$22.6bn	0.114%	+0.057 pp	+35.8%	Yes
Oct 2019	$20.9bn	0.109%	+0.056 pp	+37.6%	No
Sep 2019	$21.0bn	0.111%	+0.053 pp	+16.9%	Yes
Aug 2019	$19.6bn	0.107%	+0.049 pp	+12.4%	No
Jul 2019	$20.4bn	0.109%	+0.004 pp	+16.0%	No
Jun 2019	$20.7bn	0.112%	+0.010 pp	+26.8%	Yes
May 2019	$18.7bn	0.109%	+0.006 pp	+13.0%	Yes
Apr 2019	$20.0bn	0.112%	+0.012 pp	+27.2%	Yes
Mar 2019	$18.8bn	0.108%	+0.000 pp	+10.0%	Yes
Feb 2019	$18.1bn	0.105%	-0.000 pp	+5.8%	Yes
Jan 2019	$16.9bn	0.056%	-0.045 pp	-3.8%	No
Dec 2018	$15.7bn	0.056%	-0.044 pp	-10.6%	No
Nov 2018	$17.0bn	0.057%	-0.044 pp	-3.2%	No
Oct 2018	$15.6bn	0.053%	-0.048 pp	-11.6%	No
Sep 2018	$18.3bn	0.058%	-0.042 pp	+4.3%	No
Aug 2018	$17.8bn	0.058%	-0.043 pp	+1.2%	No
Jul 2018	$18.0bn	0.105%	+0.005 pp	+2.3%	Yes
Jun 2018	$16.7bn	0.101%	+0.001 pp	-5.1%	No
May 2018	$16.9bn	0.103%	+0.002 pp	-4.1%	No
Apr 2018	$16.1bn	0.099%	-0.001 pp	-8.4%	No
Mar 2018	$17.6bn	0.108%	+0.007 pp	-0.3%	Yes
Feb 2018	$17.5bn	0.105%	+0.004 pp	-0.7%	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.