Marathon Petroleum Corporation
US ˙ NYSE ˙ US56585A1025

SecurityMPC / Marathon Petroleum Corporation
InstitutionTocqueville Asset Management L.p.
Latest Disclosed Ownership37,640 shares
Latest Disclosed Value $ 9,190,935
Tocqueville Asset Management L.p. reports 2.60% increase in ownership of MPC / Marathon Petroleum Corporation

On May 12, 2026 - Tocqueville Asset Management L.p. filed a 13F-HR form disclosing ownership of 37,640 shares of Marathon Petroleum Corporation (US:MPC) valued at $9,190,935 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 36,687 shares of Marathon Petroleum Corporation. This represents a change in shares of 2.60% during the quarter. The current value of the position is $10,057,784 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F MARATHON PETE COM 56585A102 37,640 953 2.60 9,191 54.04 0.1363
2026-02-12 2025-12-31 13F MARATHON PETE COM 56585A102 36,687 -2,597 -6.61 5,966 -21.20 0.0870
2025-11-13 2025-09-30 13F MARATHON PETE COM 56585A102 39,284 -131 -0.33 7,572 15.64 0.1101
2025-08-12 2025-06-30 13F MARATHON PETE COM 56585A102 39,415 -387 -0.97 6,547 12.92 0.0997
2025-05-13 2025-03-31 13F MARATHON PETE COM 56585A102 39,802 -437 -1.09 5,799 3.30 0.0947
2025-02-10 2024-12-31 13F MARATHON PETE COM 56585A102 40,239 -24,247 -37.60 5,613 -46.57 0.0880
2024-11-08 2024-09-30 13F MARATHON PETE COM 56585A102 64,486 -877 -1.34 10,505 -7.36 0.1650
2024-08-12 2024-06-30 13F MARATHON PETE COM 56585A102 65,363 -23,830 -26.72 11,339 -36.91 0.1872
2024-05-09 2024-03-31 13F MARATHON PETE COM 56585A102 89,193 -1,016 -1.13 17,972 34.29 0.2936
2024-02-12 2023-12-31 13F MARATHON PETE COM 56585A102 90,209 -6,756 -6.97 13,383 -8.80 0.2426
2023-11-09 2023-09-30 13F MARATHON PETE COM 56585A102 96,965 -98,257 -50.33 14,675 -35.53 0.2787
2023-08-11 2023-06-30 13F MARATHON PETE COM 56585A102 195,222 -5 -0.00 22,763 -13.52 0.4076
2023-05-10 2023-03-31 13F MARATHON PETE COM 56585A102 195,227 -29,475 -13.12 26,322 0.65 0.4973
2023-02-09 2022-12-31 13F MARATHON PETE COM 56585A102 224,702 -9,701 -4.14 26,153 12.33 0.4967
2022-11-10 2022-09-30 13F MARATHON PETE COM 56585A102 234,403 -24,962 -9.62 23,283 9.20 0.4746
2022-08-12 2022-06-30 13F MARATHON PETE COM 56585A102 259,365 -913 -0.35 21,322 -4.19 0.3899
2022-05-16 2022-03-31 13F Marathon Pete COM 56585A102 260,278 1,540 0.60 22,254 34.41 0.3362
2022-02-14 2021-12-31 13F MARATHON PETE COM 56585A102 258,738 -3,818 -1.45 16,557 2.02 0.2277
2021-11-15 2021-09-30 13F MARATHON PETE COM 56585A102 262,556 -6,969 -2.59 16,229 -0.34 0.2404
2021-08-16 2021-06-30 13F MARATHON PETE COM 56585A102 269,525 -45,505 -14.44 16,285 -3.36 0.2353
2021-05-17 2021-03-31 13F MARATHON PETE COM 56585A102 315,030 -15,853 -4.79 16,851 23.13 0.2593
2021-02-16 2020-12-31 13F MARATHON PETE COM 56585A102 330,883 27,503 9.07 13,685 53.75 0.2285
2020-11-16 2020-09-30 13F MARATHON PETROLEUM COM 56585A102 303,380 -91,330 -23.14 8,901 -39.67 0.1703
2020-08-12 2020-06-30 13F MARATHON PETE COM 56585A102 394,710 -170,832 -30.21 14,754 10.45 0.3077
2020-05-15 2020-03-31 13F MARATHON PETE COM 56585A102 565,542 437,011 340.00 13,358 72.49 0.3319
2020-01-14 2019-12-31 13F Marathon Petroleum COM 56585A102 128,531 19,075 17.43 7,744 16.47 0.1139
2019-10-31 2019-09-30 13F Marathon Petroleum COM 56585A102 109,456 -165,641 -60.21 6,649 -56.75 0.0902
2019-07-31 2019-06-30 13F Marathon Petroleum COM 56585A102 275,097 47,845 21.05 15,372 13.02 0.1992
2019-04-30 2019-03-31 13F Marathon Petroleum COM 56585A102 227,252 -1,655 -0.72 13,601 0.69 0.1816
2019-02-08 2018-12-31 13F Marathon Petroleum COM 56585A102 228,907 -6,734 -2.86 13,508 -28.32 0.2024
2018-11-13 2018-09-30 13F Marathon Petroleum COM 56585A102 235,641 -6,885 -2.84 18,844 10.74 0.2374
2018-08-13 2018-06-30 13F Marathon Petroleum COM 56585A102 242,526 -11,317 -4.46 17,016 -8.31 0.2159
2018-05-14 2018-03-31 13F Marathon Petroleum COM 56585A102 253,843 -384,705 -60.25 18,558 -55.95 0.2364
2018-02-13 2017-12-31 13F Marathon Petroleum COM 56585A102 638,548 -236,805 -27.05 42,131 -14.18 0.4784
2017-10-30 2017-09-30 13F Marathon Petroleum COM 56585A102 875,353 -7,562 -0.86 49,090 6.25 0.5646
2017-08-04 2017-06-30 13F Marathon Petroleum COM 56585A102 882,915 -15,346 -1.71 46,203 1.77 0.5543
2017-04-28 2017-03-31 13F Marathon Petroleum COM 56585A102 898,261 88,199 10.89 45,398 11.31 0.5539
2017-01-30 2016-12-31 13F Marathon Petroleum COM 56585A102 810,062 23,342 2.97 40,787 27.73 0.5215
2016-10-31 2016-09-30 13F Marathon Petroleum COM 56585A102 786,720 442,028 128.24 31,933 144.04 0.3834
2016-08-15 2016-06-30 13F/A-1 Marathon Petroleum COM 56585A102 344,692 344,692 0.00 13,085 0.1559
2016-07-29 2016-06-30 13F Marathon Petroleum COM 56585A102 344,692 13,085
2016-04-29 2016-03-31 13F Marathon Petroleum COM 56585A102 0 -4,598 -100.00 0 -100.00
2016-01-29 2015-12-31 13F Marathon Petroleum COM 56585A102 4,598 -215 -4.47 238 6.73 0.0032
2015-10-30 2015-09-30 13F Marathon Petroleum COM 56585A102 4,813 -4,060 -45.76 223 -51.94 0.0030
2015-07-31 2015-06-30 13F Marathon Petroleum COM 56585A102 8,873 1,348 17.91 464 -39.74 0.0055
2015-04-30 2015-03-31 13F Marathon Petroleum COM 56585A102 7,525 7,525 0.00 770 0.0091
2015-01-30 2014-12-31 13F Marathon Petroleum COM 56585A102 0 -12,645 -100.00 0 -100.00
2014-10-30 2014-09-30 13F Marathon Petroleum COM 56585A102 12,645 1,590 14.38 1,071 24.10 0.0119
2014-09-18 2014-06-30 13F/A-1 Marathon Petroleum COM 56585A102 11,055 2,883 35.28 863 21.38 0.0084
2014-07-30 2014-06-30 13F Marathon Petroleum COM 56585A102 11,055 863
2014-04-30 2014-03-31 13F Marathon Petroleum COM 56585A102 8,172 3,219 64.99 711 56.61 0.0094
2014-01-30 2013-12-31 13F Marathon Petroleum COM 56585A102 4,953 -709 -12.52 454 24.73 0.0061
2013-10-30 2013-09-30 13F Marathon Petroleum COM 56585A102 5,662 -485 -7.89 364 -16.70 0.0045
2013-07-30 2013-06-30 13F Marathon Petroleum COM 56585A102 6,147 6,147 437 0.0059
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.