Observatory · observe first
Merck & Co.
MRK · United States · Pharmaceuticals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.824%
12M weight contribution
-0.191 pp
3M weight contribution
-0.049 pp
12M price return
+1.0%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| Dec 2023 | $276.3bn | 0.824% | -0.191 pp | +1.0% | Yes |
| Nov 2023 | $259.7bn | 0.810% | -0.138 pp | -4.4% | Yes |
| Oct 2023 | $260.6bn | 0.886% | -0.024 pp | +4.3% | Yes |
| Sep 2023 | $261.2bn | 0.872% | +0.015 pp | +22.8% | Yes |
| Aug 2023 | $276.5bn | 0.881% | +0.107 pp | +31.3% | Yes |
| Jul 2023 | $270.6bn | 0.590% | -0.187 pp | +22.8% | No |
| Jun 2023 | $292.8bn | 0.677% | -0.219 pp | +30.2% | No |
| May 2023 | $280.2bn | 0.692% | -0.146 pp | +23.6% | No |
| Apr 2023 | $293.1bn | 0.990% | +0.179 pp | +34.1% | Yes |
| Mar 2023 | $270.1bn | 0.921% | +0.223 pp | +33.6% | No |
| Feb 2023 | $269.7bn | 0.948% | +0.277 pp | +43.2% | Yes |
| Jan 2023 | $272.3bn | 0.932% | +0.240 pp | +36.1% | Yes |
| Dec 2022 | $281.3bn | 1.015% | +0.395 pp | +49.4% | Yes |
| Nov 2022 | $279.2bn | 0.948% | +0.308 pp | +52.2% | Yes |
| Oct 2022 | $256.4bn | 0.910% | +0.165 pp | +19.0% | Yes |
| Sep 2022 | $218.2bn | 0.857% | +0.190 pp | +18.7% | Yes |
| Aug 2022 | $216.2bn | 0.774% | +0.128 pp | +15.9% | No |
| Jul 2022 | $225.9bn | 0.776% | +0.109 pp | +20.4% | No |
| Jun 2022 | $230.6bn | 0.897% | +0.201 pp | +21.5% | Yes |
| May 2022 | $232.7bn | 0.838% | +0.181 pp | +31.7% | Yes |
| Apr 2022 | $224.2bn | 0.811% | +0.159 pp | +29.3% | Yes |
| Mar 2022 | $207.4bn | 0.698% | +0.334 pp | +15.6% | Yes |
| Feb 2022 | $193.6bn | 0.671% | +0.321 pp | +14.5% | No |
| Jan 2022 | $205.8bn | 0.692% | +0.247 pp | +14.8% | 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.