Amphenol

APH · United States · Electronic Components · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.041%

12M weight contribution

+0.020 pp

3M weight contribution

+0.002 pp

12M price return

+24.3%

Share of matched S&P 500 members

Monthly observations through Nov 2021

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 2021	$12.0bn	0.041%	+0.020 pp	+24.3%	Yes
Oct 2021	$11.5bn	0.038%	+0.018 pp	+37.2%	Yes
Sep 2021	$11.0bn	0.038%	+0.038 pp	+36.4%	Yes
Aug 2021	$11.5bn	0.038%	+0.038 pp	+40.9%	Yes
Jul 2021	$10.8bn	0.037%	+0.037 pp	+38.3%	Yes
Jun 2021	$10.2bn	0.036%	+0.036 pp	+44.1%	Yes
May 2021	$10.0bn	0.036%	+0.036 pp	+40.6%	Yes
Apr 2021	$10.1bn	0.036%	+0.018 pp	+54.1%	Yes
Mar 2021	$4.9bn	0.010%	+0.010 pp	+82.8%	No
Feb 2021	$4.7bn	0.009%	+0.009 pp	+38.5%	No
Jan 2021	$4.7bn	0.011%	-0.007 pp	+26.9%	No
Dec 2020	$4.9bn	0.020%	+0.000 pp	+22.1%	Yes
Nov 2020	$4.9bn	0.021%	+0.001 pp	+27.1%	Yes
Oct 2020	$4.2bn	0.020%	+0.001 pp	+13.7%	Yes
Sep 2020	$4.0bn	0.000%	-0.019 pp	+13.4%	No
Aug 2020	$4.1bn	0.000%	-0.018 pp	+26.8%	No
Jul 2020	$3.9bn	0.000%	-0.018 pp	+14.6%	No
Jun 2020	$3.5bn	0.000%	-0.019 pp	+0.9%	No
May 2020	$3.6bn	0.000%	-0.019 pp	+12.2%	No
Apr 2020	$3.3bn	0.018%	-0.002 pp	-10.4%	Yes
Mar 2020	$2.7bn	0.000%	-0.020 pp	-22.0%	No
Feb 2020	$3.4bn	0.000%	-0.020 pp	-1.5%	No
Jan 2020	$3.7bn	0.018%	+0.007 pp	+14.3%	No
Dec 2019	$4.0bn	0.020%	+0.009 pp	+34.9%	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.