Observatory · observe first

Amgen

AMGN · United States · Biotechnology · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.660%
12M weight contribution
+0.244 pp
3M weight contribution
+0.065 pp
12M price return
+14.0%

Share of matched S&P 500 members

Monthly observations through Oct 2019

0.40.60.820182019

Company price index

A separate dimension from market allocation

9310712020182019

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Oct 2019$126.7bn0.660%+0.244 pp+14.0%Yes
Sep 2019$116.0bn0.616%+0.189 pp-3.8%No
Aug 2019$125.1bn0.680%+0.263 pp+7.6%Yes
Jul 2019$111.9bn0.595%-0.147 pp-2.2%No
Jun 2019$112.4bn0.606%-0.135 pp+2.9%Yes
May 2019$101.7bn0.592%-0.129 pp-4.4%Yes
Apr 2019$111.6bn0.622%-0.088 pp+5.8%Yes
Mar 2019$118.2bn0.679%-0.075 pp+14.7%Yes
Feb 2019$118.3bn0.686%-0.108 pp+6.5%Yes
Jan 2019$119.2bn0.393%-0.377 pp+3.5%No
Dec 2018$124.0bn0.443%-0.327 pp+7.7%No
Nov 2018$132.7bn0.441%-0.329 pp+15.2%No
Oct 2018$122.8bn0.416%-0.354 pp+5.9%No
Sep 2018$134.2bn0.427%-0.343 pp+13.9%No
Aug 2018$129.3bn0.417%-0.353 pp+9.8%No
Jul 2018$127.2bn0.742%-0.028 pp+7.3%No
Jun 2018$122.1bn0.741%-0.029 pp+0.7%No
May 2018$118.9bn0.721%-0.049 pp-2.0%No
Apr 2018$115.5bn0.709%-0.061 pp-5.5%No
Mar 2018$122.8bn0.754%-0.017 pp-7.7%No
Feb 2018$132.4bn0.794%+0.023 pp-0.5%Yes
Jan 2018$135.1bn0.770%+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.