Observatory · observe first

Amphenol

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

Historical time machine
Historical observation
20182026
Universe weight
0.019%
12M weight contribution
+0.008 pp
3M weight contribution
+0.001 pp
12M price return
+13.3%

Share of matched S&P 500 members

Monthly observations through Oct 2019

0.00.00.020182019

Company price index

A separate dimension from market allocation

899910920182019

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Oct 2019$3.7bn0.019%+0.008 pp+13.3%Yes
Sep 2019$3.6bn0.019%+0.008 pp+3.7%Yes
Aug 2019$3.3bn0.018%+0.006 pp-6.5%No
Jul 2019$3.5bn0.018%-0.002 pp+0.8%No
Jun 2019$3.6bn0.019%-0.001 pp+11.2%Yes
May 2019$3.2bn0.019%-0.001 pp+1.1%Yes
Apr 2019$3.7bn0.021%+0.001 pp+20.1%Yes
Mar 2019$3.5bn0.020%+0.000 pp+10.8%Yes
Feb 2019$3.5bn0.020%-0.001 pp+3.8%Yes
Jan 2019$3.3bn0.011%-0.009 pp-4.3%No
Dec 2018$3.1bn0.011%-0.009 pp-11.8%No
Nov 2018$3.3bn0.011%-0.009 pp-4.5%No
Oct 2018$3.4bn0.011%-0.009 pp-2.9%No
Sep 2018$3.5bn0.011%-0.009 pp+2.1%No
Aug 2018$3.6bn0.011%-0.009 pp+2.4%No
Jul 2018$3.5bn0.020%+0.000 pp+1.3%Yes
Jun 2018$3.3bn0.020%-0.000 pp-5.6%No
May 2018$3.3bn0.020%-0.000 pp-6.1%No
Apr 2018$3.2bn0.020%-0.001 pp-9.6%No
Mar 2018$3.3bn0.020%-0.000 pp-7.0%No
Feb 2018$3.5bn0.021%+0.001 pp-1.5%Yes
Jan 2018$3.5bn0.020%+0.000 pp+0.0%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.