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

0.117%

12M weight contribution

+0.010 pp

3M weight contribution

+0.006 pp

12M price return

+27.5%

Share of matched S&P 500 members

Monthly observations through Apr 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
Apr 2024	$40.3bn	0.117%	+0.010 pp	+27.5%	Yes
Mar 2024	$42.3bn	0.117%	+0.003 pp	+26.7%	Yes
Feb 2024	$41.6bn	0.119%	+0.005 pp	+28.1%	Yes
Jan 2024	$37.4bn	0.111%	-0.003 pp	+12.6%	No
Dec 2023	$38.1bn	0.113%	-0.002 pp	+18.8%	Yes
Nov 2023	$35.8bn	0.112%	+0.001 pp	+9.7%	Yes
Oct 2023	$32.5bn	0.110%	+0.005 pp	+9.3%	Yes
Sep 2023	$34.1bn	0.114%	+0.012 pp	+31.2%	Yes
Aug 2023	$36.8bn	0.117%	+0.019 pp	+33.6%	Yes
Jul 2023	$36.6bn	0.080%	-0.018 pp	+29.3%	No
Jun 2023	$37.3bn	0.086%	-0.012 pp	+48.3%	No
May 2023	$33.4bn	0.083%	-0.018 pp	+20.3%	No
Apr 2023	$31.7bn	0.107%	+0.001 pp	+10.0%	No
Mar 2023	$33.4bn	0.114%	+0.010 pp	+9.9%	Yes
Feb 2023	$32.6bn	0.115%	+0.010 pp	+9.8%	Yes
Jan 2023	$33.3bn	0.114%	+0.007 pp	+6.7%	Yes
Dec 2022	$32.1bn	0.116%	+0.007 pp	-4.3%	Yes
Nov 2022	$32.7bn	0.111%	+0.004 pp	+5.0%	Yes
Oct 2022	$29.8bn	0.106%	+0.003 pp	-1.4%	Yes
Sep 2022	$26.0bn	0.102%	+0.002 pp	-7.9%	Yes
Aug 2022	$27.6bn	0.099%	-0.006 pp	-11.1%	No
Jul 2022	$28.5bn	0.098%	-0.012 pp	-10.6%	No
Jun 2022	$25.4bn	0.099%	-0.010 pp	-17.2%	No
May 2022	$28.0bn	0.101%	-0.011 pp	-9.5%	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.