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
0.001%
12M weight contribution
-0.605 pp
3M weight contribution
+0.000 pp
12M price return
+31.6%
Share of matched S&P 500 members
Monthly observations through Jun 2020
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 |
|---|---|---|---|---|---|
| Jun 2020 | $138.7bn | 0.001% | -0.605 pp | +31.6% | No |
| May 2020 | $135.1bn | 0.001% | -0.591 pp | +41.6% | No |
| Apr 2020 | $141.1bn | 0.790% | +0.168 pp | +37.4% | Yes |
| Mar 2020 | $119.6bn | 0.001% | -0.679 pp | +9.9% | No |
| Feb 2020 | $117.8bn | 0.000% | -0.685 pp | +8.2% | No |
| Jan 2020 | $128.4bn | 0.633% | +0.240 pp | +19.0% | No |
| Dec 2019 | $143.2bn | 0.703% | +0.259 pp | +27.6% | Yes |
| Nov 2019 | $139.5bn | 0.703% | +0.262 pp | +16.1% | Yes |
| Oct 2019 | $126.7bn | 0.660% | +0.244 pp | +14.0% | Yes |
| Sep 2019 | $116.0bn | 0.616% | +0.189 pp | -3.8% | No |
| Aug 2019 | $125.1bn | 0.680% | +0.263 pp | +7.6% | Yes |
| Jul 2019 | $111.9bn | 0.595% | -0.147 pp | -2.2% | No |
| Jun 2019 | $112.4bn | 0.606% | -0.135 pp | +2.9% | Yes |
| May 2019 | $101.7bn | 0.592% | -0.129 pp | -4.4% | Yes |
| Apr 2019 | $111.6bn | 0.622% | -0.088 pp | +5.8% | Yes |
| Mar 2019 | $118.2bn | 0.679% | -0.075 pp | +14.7% | Yes |
| Feb 2019 | $118.3bn | 0.686% | -0.108 pp | +6.5% | Yes |
| Jan 2019 | $119.2bn | 0.393% | -0.377 pp | +3.5% | No |
| Dec 2018 | $124.0bn | 0.443% | -0.327 pp | +7.7% | No |
| Nov 2018 | $132.7bn | 0.441% | -0.329 pp | +15.2% | No |
| Oct 2018 | $122.8bn | 0.416% | -0.354 pp | +5.9% | No |
| Sep 2018 | $134.2bn | 0.427% | -0.343 pp | +13.9% | No |
| Aug 2018 | $129.3bn | 0.417% | -0.353 pp | +9.8% | No |
| Jul 2018 | $127.2bn | 0.742% | -0.028 pp | +7.3% | 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.