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
0.433%
12M weight contribution
-0.018 pp
3M weight contribution
-0.028 pp
12M price return
+6.1%
Share of matched S&P 500 members
Monthly observations through Apr 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 |
|---|---|---|---|---|---|
| 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 |
| Aug 2021 | $128.1bn | 0.428% | +0.428 pp | -8.4% | No |
| Jul 2021 | $138.8bn | 0.476% | +0.475 pp | +1.5% | Yes |
| Jun 2021 | $140.0bn | 0.494% | +0.494 pp | +6.3% | Yes |
| May 2021 | $136.7bn | 0.490% | +0.489 pp | +6.5% | Yes |
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.