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
0.117%
12M weight contribution
-0.112 pp
3M weight contribution
-0.058 pp
12M price return
-45.2%
Share of matched S&P 500 members
Monthly observations through Apr 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 |
|---|---|---|---|---|---|
| Apr 2020 | $20.8bn | 0.117% | -0.112 pp | -45.2% | Yes |
| Mar 2020 | $15.3bn | 0.000% | -0.232 pp | -58.9% | No |
| Feb 2020 | $30.8bn | 0.000% | -0.242 pp | -20.4% | No |
| Jan 2020 | $35.4bn | 0.175% | +0.024 pp | -14.6% | No |
| Dec 2019 | $39.1bn | 0.192% | +0.046 pp | +6.0% | No |
| Nov 2019 | $39.4bn | 0.198% | +0.049 pp | -3.3% | No |
| Oct 2019 | $42.1bn | 0.219% | +0.112 pp | -5.8% | Yes |
| Sep 2019 | $40.0bn | 0.212% | +0.098 pp | -21.2% | Yes |
| Aug 2019 | $32.4bn | 0.176% | +0.056 pp | -37.9% | No |
| Jul 2019 | $37.4bn | 0.199% | -0.019 pp | -28.0% | No |
| Jun 2019 | $37.0bn | 0.200% | +0.003 pp | -17.8% | No |
| May 2019 | $30.5bn | 0.177% | -0.044 pp | -39.9% | No |
| Apr 2019 | $41.0bn | 0.228% | +0.016 pp | -16.5% | Yes |
| Mar 2019 | $40.3bn | 0.232% | +0.018 pp | -15.9% | Yes |
| 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 |
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.