Observatory · observe first
Marathon Petroleum
MPC · United States · Oil & Gas Refining & Marketing · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.242%
12M weight contribution
+0.059 pp
3M weight contribution
+0.093 pp
12M price return
-0.5%
Share of matched S&P 500 members
Monthly observations through Feb 2019
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 |
|---|---|---|---|---|---|
| Feb 2019 | $41.8bn | 0.242% | +0.059 pp | -0.5% | Yes |
| Jan 2019 | $45.8bn | 0.151% | -0.042 pp | -1.9% | Yes |
| Dec 2018 | $40.8bn | 0.146% | -0.047 pp | -12.6% | Yes |
| Nov 2018 | $45.0bn | 0.150% | -0.043 pp | -3.5% | No |
| Oct 2018 | $31.8bn | 0.108% | -0.085 pp | +3.6% | No |
| Sep 2018 | $36.1bn | 0.115% | -0.078 pp | +17.6% | No |
| Aug 2018 | $37.1bn | 0.120% | -0.073 pp | +21.0% | No |
| Jul 2018 | $37.3bn | 0.218% | +0.025 pp | +18.2% | Yes |
| Jun 2018 | $32.4bn | 0.197% | +0.004 pp | +2.6% | No |
| May 2018 | $36.5bn | 0.221% | +0.029 pp | +15.5% | Yes |
| Apr 2018 | $34.6bn | 0.213% | +0.020 pp | +8.9% | Yes |
| Mar 2018 | $34.8bn | 0.214% | +0.021 pp | +6.3% | Yes |
| Feb 2018 | $30.5bn | 0.183% | -0.010 pp | -6.9% | No |
| Jan 2018 | $33.8bn | 0.193% | +0.000 pp | +0.0% | 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.