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
0.320%
12M weight contribution
+0.047 pp
3M weight contribution
-0.106 pp
12M price return
+46.4%

Share of matched S&P 500 members

Monthly observations through Jul 2024

0.00.40.82018201920202021202220232024

Company price index

A separate dimension from market allocation

971552132018201920202021202220232024

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jul 2024$178.3bn0.320%+0.047 pp+46.4%No
Jun 2024$167.6bn0.314%+0.040 pp+45.1%No
May 2024$164.1bn0.314%+0.022 pp+42.9%No
Apr 2024$146.8bn0.425%-0.007 pp+18.1%No
Mar 2024$152.4bn0.423%-0.018 pp+21.6%No
Feb 2024$146.8bn0.420%-0.014 pp+22.2%No
Jan 2024$168.2bn0.500%+0.039 pp+28.8%Yes
Dec 2023$154.1bn0.460%-0.046 pp+13.5%Yes
Nov 2023$144.3bn0.450%-0.069 pp-2.6%Yes
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

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.