Marathon Petroleum Corporation
US ˙ NYSE ˙ US56585A1025

SecurityMPC / Marathon Petroleum Corporation
InstitutionPrudential Plc
Latest Disclosed Ownership6,036 shares
Latest Disclosed Value $ 1,473,870
Prudential Plc reports 91.30% decrease in ownership of MPC / Marathon Petroleum Corporation

On May 14, 2026 - Prudential Plc filed a 13F-HR form disclosing ownership of 6,036 shares of Marathon Petroleum Corporation (US:MPC) valued at $1,473,870 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 69,398 shares of Marathon Petroleum Corporation. This represents a change in shares of -91.30% during the quarter. The current value of the position is $1,612,880 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)
2026-05-14 2026-03-31 13F MARATHON PETE COM 56585A102 6,036 -63,362 -91.30 1,474 -86.95 0.0086
2026-02-11 2025-12-31 13F MARATHON PETE COM 56585A102 69,398 64,076 1,203.98 11,286 1,001.07 0.0895
2025-11-14 2025-09-30 13F MARATHON PETE COM 56585A102 5,322 0 0.00 1,026 15.95 0.0075
2025-08-12 2025-06-30 13F MARATHON PETE COM 56585A102 5,322 0 0.00 884 14.06 0.0053
2025-05-13 2025-03-31 13F MARATHON PETE COM 56585A102 5,322 -5,332 -50.05 775 -47.85 0.0039
2025-02-13 2024-12-31 13F MARATHON PETE COM 56585A102 10,654 -2,672 -20.05 1,486 -31.52 0.0075
2024-11-13 2024-09-30 13F MARATHON PETE COM 56585A102 13,326 -54,547 -80.37 2,171 -81.57 0.0109
2024-08-07 2024-06-30 13F MARATHON PETE COM 56585A102 67,873 -2,928 -4.14 11,775 -17.47 0.0794
2024-05-14 2024-03-31 13F MARATHON PETE COM 56585A102 70,801 -42,796 -37.67 14,266 -15.35 0.1087
2024-02-14 2023-12-31 13F MARATHON PETE COM 56585A102 113,597 12,997 12.92 16,853 10.70 0.1710
2023-11-13 2023-09-30 13F MARATHON PETE COM 56585A102 100,600 -12,687 -11.20 15,225 15.25 0.1692
2023-08-14 2023-06-30 13F MARATHON PETE COM 56585A102 113,287 63,822 129.02 13,209 98.07 0.1544
2023-05-12 2023-03-31 13F MARATHON PETE COM 56585A102 49,465 -26 -0.05 6,669 15.78 0.0783
2023-02-09 2022-12-31 13F MARATHON PETE COM 56585A102 49,491 17,540 54.90 5,760 81.47 0.0723
2022-11-14 2022-09-30 13F MARATHON PETE COM 56585A102 31,951 1,096 3.55 3,174 25.11 0.0502
2022-08-12 2022-06-30 13F MARATHON PETE COM 56585A102 30,855 -5,337 -14.75 2,537 -18.00 0.0459
2022-05-13 2022-03-31 13F MARATHON PETE COM 56585A102 36,192 20,382 128.92 3,094 205.73 0.0447
2022-02-11 2021-12-31 13F MARATHON PETE COM 56585A102 15,810 15,810 1,012 0.0139
2021-08-13 2021-06-30 13F Marathon Petroleum C Marathon Petroleum Corp 56585A102 0 -210,225 -100.00 0 -100.00
2021-05-14 2021-03-31 13F Marathon Petroleum C Marathon Petroleum Corp 56585A102 210,225 -1,067,975 -83.55 11,245 -78.73 0.0779
2021-02-10 2020-12-31 13F/A-1 Marathon Petroleum C Marathon Petroleum Corp 56585A102 1,278,200 -839,101 -39.63 52,866 -14.90 0.2808
2021-02-08 2020-12-31 13F Marathon Petroleum C Marathon Petroleum Corp 56585A102 1,278,200 -839,101 52,866 120,288.4411
2020-10-30 2020-09-30 13F Marathon Petroleum C Marathon Petroleum Corp 56585A102 2,117,301 2,117,301 62,122 0.3094
2020-05-01 2020-03-31 13F MARATHON PETROLEUM C MARATHON PETROLEUM CORP 56585A102 0 -3,765 -100.00 0 -100.00
2020-02-13 2019-12-31 13F MARATHON PETROLEUM C MARATHON PETROLEUM CORP 56585A102 3,765 -4,774 -55.91 227 -56.26 0.0010
2019-11-12 2019-09-30 13F MARATHON PETE COM 56585A102 8,539 -144 -1.66 519 7.01 0.0015
2019-10-04 2019-06-30 13F/A-1 Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,683 200 2.36 485 -4.34 0.0015
2019-08-14 2019-06-30 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,683 200 485
2019-10-04 2019-03-31 13F/A-1 Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,483 200 2.41 507 3.68 0.0018
2019-05-13 2019-03-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,483 200 507
2019-10-04 2018-12-31 13F/A-1 Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,283 1,929 30.36 489 -3.74 0.0020
2019-02-13 2018-12-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,283 1,929 489
2019-10-03 2018-09-30 13F/A-1 Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 6,354 -1,841 -22.46 508 -11.65 0.0016
2018-11-14 2018-09-30 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 6,354 -1,841 508
2018-08-14 2018-06-30 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,195 -3,100 -27.45 575 -30.39 0.0018
2018-05-15 2018-03-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 11,295 1,488 15.17 826 27.47 0.0026
2018-02-14 2017-12-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 9,807 0 0.00 648 17.82 0.0020
2017-11-14 2017-09-30 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 9,807 1,005 11.42 550 19.31 0.0017
2017-08-14 2017-06-30 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 8,802 -600 -6.38 461 -3.15 0.0015
2017-05-15 2017-03-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 9,402 -985 -9.48 476 -8.99 0.0016
2017-02-09 2016-12-31 13F Marathon Petroleum C MARATHON PETROLEUM ORD SHS 56585A102 10,387 10,387 0.00 523 0.0018
2016-05-13 2016-03-31 13F MARATHON PETROLEUM COM USD0.01 56585A102 0 -4,428 -100.00 0 -100.00
2016-02-12 2015-12-31 13F MARATHON PETROLEUM COM USD0.01 56585A102 4,428 0 0.00 230 12.20 0.0009
2015-11-13 2015-09-30 13F MARATHON PETROLEUM COM USD0.01 56585A102 4,428 0 0.00 205 -11.64 0.0009
2015-08-14 2015-06-30 13F MARATHON PETROLEUM COM USD0.01 56585A102 4,428 2,214 100.00 232 2.20 0.0009
2015-05-15 2015-03-31 13F MARATHON PETROLEUM COM USD0.01 56585A102 2,214 0 0.00 227 13.50 0.0010
2015-02-13 2014-12-31 13F MARATHON PETROLEUM COM USD0.01 56585A102 2,214 0 0.00 200 -1.48 0.0008
2014-02-14 2013-12-31 13F MARATHON PETE COM 56585A102 2,214 2,214 203 0.0009
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.