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
0.038%
12M weight contribution
+0.010 pp
3M weight contribution
-0.009 pp
12M price return
+77.1%

Share of matched S&P 500 members

Monthly observations through May 2024

0.00.00.12018201920202021202220232024

Company price index

A separate dimension from market allocation

881922962018201920202021202220232024

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
May 2024$19.9bn0.038%+0.010 pp+77.1%No
Apr 2024$18.1bn0.053%+0.015 pp+61.5%Yes
Mar 2024$17.3bn0.048%+0.007 pp+42.5%Yes
Feb 2024$16.4bn0.047%+0.006 pp+42.3%Yes
Jan 2024$15.1bn0.045%+0.004 pp+28.0%Yes
Dec 2023$14.8bn0.044%+0.003 pp+31.5%Yes
Nov 2023$13.6bn0.042%+0.002 pp+14.3%Yes
Oct 2023$12.0bn0.041%+0.001 pp+7.3%Yes
Sep 2023$12.5bn0.042%+0.003 pp+26.8%Yes
Aug 2023$13.2bn0.042%+0.003 pp+21.5%Yes
Jul 2023$13.2bn0.029%-0.011 pp+15.7%No
Jun 2023$12.6bn0.029%-0.008 pp+33.4%No
May 2023$11.2bn0.028%-0.010 pp+7.7%No
Apr 2023$11.2bn0.038%-0.001 pp+6.8%No
Mar 2023$12.1bn0.041%+0.003 pp+9.7%Yes
Feb 2023$11.5bn0.041%+0.001 pp+3.1%Yes
Jan 2023$11.9bn0.041%+0.001 pp+1.4%Yes
Dec 2022$11.3bn0.041%-0.001 pp-12.0%Yes
Nov 2022$12.0bn0.041%-0.000 pp+0.9%Yes
Oct 2022$11.3bn0.040%+0.002 pp-0.1%Yes
Sep 2022$10.0bn0.039%+0.001 pp-7.6%Yes
Aug 2022$10.9bn0.039%+0.001 pp-3.1%Yes
Jul 2022$11.5bn0.039%+0.002 pp+7.5%Yes
Jun 2022$9.6bn0.037%+0.001 pp-4.9%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.