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
0.465%
12M weight contribution
-0.048 pp
3M weight contribution
+0.193 pp
12M price return
-2.2%

Share of matched S&P 500 members

Monthly observations through Oct 2023

0.00.40.8201820192020202120222023

Company price index

A separate dimension from market allocation

95135175201820192020202120222023

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Oct 2023$136.8bn0.465%-0.048 pp-2.2%Yes
Sep 2023$143.8bn0.480%+0.006 pp+23.3%Yes
Aug 2023$137.1bn0.437%-0.023 pp+10.3%Yes
Jul 2023$125.1bn0.273%-0.182 pp-2.2%No
Jun 2023$118.6bn0.274%-0.231 pp-5.7%No
May 2023$117.9bn0.291%-0.203 pp-11.2%No
Apr 2023$128.1bn0.433%-0.018 pp+6.1%No
Mar 2023$129.1bn0.440%-0.013 pp+3.2%No
Feb 2023$123.7bn0.435%-0.003 pp+5.5%No
Jan 2023$134.7bn0.461%+0.031 pp+14.6%No
Dec 2022$140.1bn0.506%+0.100 pp+20.4%Yes
Nov 2022$152.8bn0.519%+0.140 pp+48.6%Yes
Oct 2022$144.6bn0.513%+0.121 pp+35.0%Yes
Sep 2022$120.6bn0.474%+0.050 pp+9.5%Yes
Aug 2022$128.5bn0.460%+0.032 pp+10.1%No
Jul 2022$132.2bn0.454%-0.022 pp+5.8%No
Jun 2022$130.0bn0.505%+0.011 pp+3.1%Yes
May 2022$137.2bn0.494%+0.004 pp+11.5%Yes
Apr 2022$124.6bn0.450%-0.049 pp+0.4%Yes
Mar 2022$134.7bn0.453%+0.172 pp+0.3%Yes
Feb 2022$126.2bn0.438%+0.178 pp+3.9%Yes
Jan 2022$127.9bn0.430%+0.094 pp-3.0%Yes
Dec 2021$126.7bn0.406%-0.136 pp+0.9%No
Nov 2021$112.0bn0.378%-0.171 pp-7.7%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.