Amgen

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

Historical time machine

Historical observation

20182026

Universe weight

0.437%

12M weight contribution

-0.023 pp

3M weight contribution

+0.146 pp

12M price return

+10.3%

Share of matched S&P 500 members

Monthly observations through Aug 2023

Company price index

A separate dimension from market allocation

Historical observations

Most recent 24 observations at or before the selected month

Month	Market cap	Universe weight	12M weight change	12M return	Above 6M weight average
Aug 2023	$137.1bn	0.437%	-0.023 pp	+10.3%	Yes
Jul 2023	$125.1bn	0.273%	-0.182 pp	-2.2%	No
Jun 2023	$118.6bn	0.274%	-0.231 pp	-5.7%	No
May 2023	$117.9bn	0.291%	-0.203 pp	-11.2%	No
Apr 2023	$128.1bn	0.433%	-0.018 pp	+6.1%	No
Mar 2023	$129.1bn	0.440%	-0.013 pp	+3.2%	No
Feb 2023	$123.7bn	0.435%	-0.003 pp	+5.5%	No
Jan 2023	$134.7bn	0.461%	+0.031 pp	+14.6%	No
Dec 2022	$140.1bn	0.506%	+0.100 pp	+20.4%	Yes
Nov 2022	$152.8bn	0.519%	+0.140 pp	+48.6%	Yes
Oct 2022	$144.6bn	0.513%	+0.121 pp	+35.0%	Yes
Sep 2022	$120.6bn	0.474%	+0.050 pp	+9.5%	Yes
Aug 2022	$128.5bn	0.460%	+0.032 pp	+10.1%	No
Jul 2022	$132.2bn	0.454%	-0.022 pp	+5.8%	No
Jun 2022	$130.0bn	0.505%	+0.011 pp	+3.1%	Yes
May 2022	$137.2bn	0.494%	+0.004 pp	+11.5%	Yes
Apr 2022	$124.6bn	0.450%	-0.049 pp	+0.4%	Yes
Mar 2022	$134.7bn	0.453%	+0.172 pp	+0.3%	Yes
Feb 2022	$126.2bn	0.438%	+0.178 pp	+3.9%	Yes
Jan 2022	$127.9bn	0.430%	+0.094 pp	-3.0%	Yes
Dec 2021	$126.7bn	0.406%	-0.136 pp	+0.9%	No
Nov 2021	$112.0bn	0.378%	-0.171 pp	-7.7%	No
Oct 2021	$117.5bn	0.393%	-0.205 pp	-1.8%	No
Sep 2021	$120.8bn	0.424%	+0.423 pp	-13.9%	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.