Observatory · observe first
Pfizer
PFE · United States · Pharmaceuticals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
1.062%
12M weight contribution
+0.234 pp
3M weight contribution
+0.215 pp
12M price return
+66.7%
Share of matched S&P 500 members
Monthly observations through Dec 2021
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 |
|---|---|---|---|---|---|
| Dec 2021 | $331.4bn | 1.062% | +0.234 pp | +66.7% | Yes |
| Nov 2021 | $301.6bn | 1.019% | +0.115 pp | +45.7% | Yes |
| Oct 2021 | $245.2bn | 0.819% | -0.066 pp | +35.2% | Yes |
| Sep 2021 | $241.1bn | 0.847% | +0.846 pp | +28.5% | Yes |
| Aug 2021 | $258.3bn | 0.864% | +0.863 pp | +33.7% | Yes |
| Jul 2021 | $239.6bn | 0.822% | +0.821 pp | +22.0% | Yes |
| Jun 2021 | $219.2bn | 0.774% | +0.773 pp | +31.4% | Yes |
| May 2021 | $216.8bn | 0.777% | +0.776 pp | +11.3% | Yes |
| Apr 2021 | $215.6bn | 0.781% | -0.349 pp | +10.6% | Yes |
| Mar 2021 | $202.1bn | 0.395% | +0.394 pp | +21.9% | No |
| Feb 2021 | $186.8bn | 0.373% | +0.373 pp | +10.0% | No |
| Jan 2021 | $199.5bn | 0.478% | -0.487 pp | +5.8% | No |
| Dec 2020 | $204.6bn | 0.828% | -0.181 pp | +3.1% | Yes |
| Nov 2020 | $212.9bn | 0.904% | -0.115 pp | +9.1% | Yes |
| Oct 2020 | $187.1bn | 0.886% | -0.164 pp | -3.8% | Yes |
| Sep 2020 | $193.5bn | 0.001% | -1.001 pp | +6.3% | No |
| Aug 2020 | $199.2bn | 0.001% | -1.014 pp | +10.6% | No |
| Jul 2020 | $202.8bn | 0.001% | -1.089 pp | +4.0% | No |
| Jun 2020 | $172.3bn | 0.001% | -1.231 pp | -21.5% | No |
| May 2020 | $201.3bn | 0.001% | -1.274 pp | -4.4% | No |
| Apr 2020 | $201.9bn | 1.130% | -0.062 pp | -1.9% | Yes |
| Mar 2020 | $171.8bn | 0.001% | -1.284 pp | -20.2% | No |
| Feb 2020 | $175.9bn | 0.001% | -1.323 pp | -19.9% | No |
| Jan 2020 | $195.5bn | 0.965% | +0.197 pp | -8.9% | 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.