Marathon Petroleum Corporation
MX ˙ BMV ˙ US56585A1025
SecurityMX:MPC / Marathon Petroleum Corporation
InstitutionValley National Advisers Inc
Latest Disclosed Ownership509 shares
Latest Disclosed Value $ 124
Valley National Advisers Inc ownership in MPC / Marathon Petroleum Corporation

On April 15, 2026 - Valley National Advisers Inc filed a 13F-HR form disclosing ownership of 509 shares of Marathon Petroleum Corporation (MX:MPC) valued at $124 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 509 shares of Marathon Petroleum Corporation.

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)
2026-04-15 2026-03-31 13F MARATHON PETE COM 56585A102 509 0 0.00 0 0.0160
2026-01-23 2025-12-31 13F MARATHON PETE COM 56585A102 509 5 0.99 0 0.0114
2025-10-17 2025-09-30 13F MARATHON PETE COM 56585A102 504 0 0.00 0 0.0150
2025-07-22 2025-06-30 13F MARATHON PETE COM 56585A102 504 6 1.20 0 0.0136
2025-04-25 2025-03-31 13F MARATHON PETE COM 56585A102 498 105 26.72 0 0.0130
2025-01-24 2024-12-31 13F MARATHON PETE COM 56585A102 393 -2 -0.51 0 0.0097
2024-10-24 2024-09-30 13F MARATHON PETE COM 56585A102 395 -84 -17.54 0 0.0116
2024-07-18 2024-06-30 13F MARATHON PETE COM 56585A102 479 -8 -1.64 0 0.0123
2024-04-19 2024-03-31 13F MARATHON PETE COM 56585A102 487 -103 -17.46 0 0.0148
2024-01-25 2023-12-31 13F MARATHON PETE COM 56585A102 590 42 7.66 0 0.0138
2023-11-13 2023-09-30 13F MARATHON PETE COM 56585A102 548 10 1.86 0 0.0145
2023-07-31 2023-06-30 13F MARATHON PETE COM 56585A102 538 5 0.94 0 0.0106
2023-04-26 2023-03-31 13F MARATHON PETE COM 56585A102 533 -191 -26.38 0 0.0118
2023-01-12 2022-12-31 13F MARATHON PETE COM 56585A102 724 0 0.00 0 -100.00 0.0152
2022-11-08 2022-09-30 13F MARATHON PETE COM 56585A102 724 0 0.00 78 30.00 0.0162
2022-07-15 2022-06-30 13F MARATHON PETE COM 56585A102 724 0 0.00 60 -3.23 0.0127
2022-05-06 2022-03-31 13F MARATHON PETE COM 56585A102 724 85 13.30 62 51.22 0.0105
2022-02-11 2021-12-31 13F MARATHON PETE COM 56585A102 639 0 0.00 41 5.13 0.0076
2021-11-10 2021-09-30 13F MARATHON PETE COM 56585A102 639 -269 -29.63 39 -29.09 0.0071
2021-08-02 2021-06-30 13F MARATHON PETE COM 56585A102 908 0 0.00 55 12.24 0.0100
2021-05-07 2021-03-31 13F MARATHON PETE COM 56585A102 908 -183 -16.77 49 8.89 0.0096
2021-02-11 2020-12-31 13F MARATHON PETE COM 56585A102 1,091 -548 -33.44 45 -6.25 0.0094
2020-11-13 2020-09-30 13F MARATHON PETE COM 56585A102 1,639 -24 -1.44 48 -22.58 0.0110
2020-08-10 2020-06-30 13F MARATHON PETE COM 56585A102 1,663 -47,086 -96.59 62 -94.61 0.0143
2020-05-13 2020-03-31 13F MARATHON PETE COM 56585A102 48,749 -20,801 -29.91 1,151 -72.53 0.3181
2020-02-13 2019-12-31 13F MARATHON PETE COM 56585A102 69,550 -3,042 -4.19 4,190 -4.99 1.0477
2019-11-12 2019-09-30 13F MARATHON PETE COM 56585A102 72,592 51,538 244.79 4,410 275.00 1.2093
2019-08-08 2019-06-30 13F MARATHON PETE COM 56585A102 21,054 -48 -0.23 1,176 -6.89 0.3233
2019-04-26 2019-03-31 13F MARATHON PETE COM 56585A102 21,102 5,729 37.27 1,263 39.25 0.3618
2019-02-25 2018-12-31 13F MARATHON PETE COM 56585A102 15,373 2,426 18.74 907 -12.37 0.2943
2018-11-08 2018-09-30 13F MARATHON PETE COM 56585A102 12,947 3,950 43.90 1,035 64.03 0.3588
2018-08-14 2018-06-30 13F MARATHON PETE COM 56585A102 8,997 6,500 260.31 631 244.81 0.2409
2018-04-19 2018-03-31 13F MARATHON PETE COM 56585A102 2,497 2,322 1,326.86 183 1,425.00 0.0680
2018-02-13 2017-12-31 13F MARATHON PETE COM 56585A102 175 0 0.00 12 20.00 0.0042
2017-11-14 2017-09-30 13F MARATHON PETE COM 56585A102 175 26 17.45 10 25.00 0.0034
2017-08-04 2017-06-30 13F MARATHON PETE COM 56585A102 149 1 0.68 8 14.29 0.0029
2017-05-12 2017-03-31 13F MARATHON PETE COM 56585A102 148 -81 -35.37 7 -41.67 0.0027
2017-01-31 2016-12-31 13F MARATHON PETE COM 56585A102 229 1 0.44 12 33.33 0.0055
2016-11-01 2016-09-30 13F MARATHON PETE COM 56585A102 228 1 0.44 9 0.00 0.0046
2016-08-12 2016-06-30 13F MARATHON PETE COM 56585A102 227 13 6.07 9 12.50 0.0047
2016-04-21 2016-03-31 13F MARATHON PETE COM 56585A102 214 1 0.47 8 -27.27 0.0043
2016-03-10 2015-12-31 13F/A-1 MARATHON PETE COM 56585A102 213 1 0.47 11 10.00 0.0065
2016-03-10 2015-12-31 13F/A-1 MARATHON PETE COM 56585A102 213 1 11 0.0065
2016-02-11 2015-12-31 13F MARATHON PETE COM 56585A102 213 11
2015-11-06 2015-09-30 13F MARATHON PETE COM 56585A102 212 0 0.00 10 -9.09 0.0061
2015-07-31 2015-06-30 13F/A-1 MARATHON PETE COM 56585A102 212 106 100.00 11 0.00 0.0062
2015-07-29 2015-06-30 13F MARATHON PETE COM 56585A102 212 11
2015-05-01 2015-03-31 13F MARATHON PETE COM 56585A102 106 43 68.25 11 83.33 0.0065
2015-02-09 2014-12-31 13F MARATHON PETE COM 56585A102 63 63 6 0.0045
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.