Marathon Petroleum Corporation
US ˙ NYSE ˙ US56585A1025

SecurityMPC / Marathon Petroleum Corporation
InstitutionTd Asset Management Inc
Latest Disclosed Ownership127,355 shares
Latest Disclosed Value $ 31,097,544
Td Asset Management Inc reports 0.04% increase in ownership of MPC / Marathon Petroleum Corporation

On May 11, 2026 - Td Asset Management Inc filed a 13F-HR form disclosing ownership of 127,355 shares of Marathon Petroleum Corporation (US:MPC) valued at $31,097,544 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 127,298 shares of Marathon Petroleum Corporation. This represents a change in shares of 0.04% during the quarter. The current value of the position is $34,030,530 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)
2026-05-11 2026-03-31 13F MARATHON PETE COM 56585A102 127,355 57 0.04 31,098 50.21 0.0252
2026-02-10 2025-12-31 13F MARATHON PETE COM 56585A102 127,298 1,313 1.04 20,702 -14.74 0.0167
2025-11-10 2025-09-30 13F MARATHON PETE COM 56585A102 125,985 -4,059 -3.12 24,282 12.41 0.0197
2025-07-28 2025-06-30 13F MARATHON PETE COM 56585A102 130,044 -3,265 -2.45 21,602 11.22 0.0184
2025-05-07 2025-03-31 13F MARATHON PETE COM 56585A102 133,309 -2,458 -1.81 19,422 2.55 0.0179
2025-02-11 2024-12-31 13F MARATHON PETE COM 56585A102 135,767 -6,185 -4.36 18,939 -18.47 0.0168
2024-11-01 2024-09-30 13F MARATHON PETE COM 56585A102 141,952 -4,931 -3.36 23,230 -8.83 0.0205
2024-08-02 2024-06-30 13F MARATHON PETE COM 56585A102 146,883 -5,842 -3.83 25,481 -17.20 0.0238
2024-05-08 2024-03-31 13F MARATHON PETE COM 56585A102 152,725 -3,116 -2.00 30,774 33.11 0.0286
2024-02-12 2023-12-31 13F MARATHON PETE COM 56585A102 155,841 2,651 1.73 23,121 -0.27 0.0227
2023-10-27 2023-09-30 13F MARATHON PETE COM 56585A102 153,190 -7,897 -4.90 23,184 23.43 0.0281
2023-08-09 2023-06-30 13F MARATHON PETE COM 56585A102 161,087 -28,926 -15.22 18,783 -26.69 0.0214
2023-05-10 2023-03-31 13F MARATHON PETE COM 56585A102 190,013 -9,605 -4.81 25,619 10.27 0.0309
2023-02-07 2022-12-31 13F MARATHON PETE COM 56585A102 199,618 -8,584 -4.12 23,234 13.06 0.0287
2022-11-07 2022-09-30 13F MARATHON PETE COM 56585A102 208,202 -6,458 -3.01 20,549 16.44 0.0257
2022-08-04 2022-06-30 13F MARATHON PETE COM 56585A102 214,660 -21,605 -9.14 17,648 -12.63 0.0204
2022-05-10 2022-03-31 13F MARATHON PETE COM 56585A102 236,265 -12,158 -4.89 20,200 27.08 0.0119
2022-05-10 2022-03-31 13F MARATHON PETE COM 56585A102 216,763 18,533
2022-02-10 2021-12-31 13F MARATHON PETE COM 56585A102 248,423 -12,298 -4.72 15,896 -1.36 0.0133
2021-11-09 2021-09-30 13F MARATHON PETE COM 56585A102 260,721 -3,782 -1.43 16,115 10.33 0.0167
2021-08-11 2021-06-30 13F MARATHON PETE COM 56585A102 264,503 10,936 4.31 14,606 7.69 0.0148
2021-05-14 2021-03-31 13F MARATHON PETE COM 56585A102 253,567 10,836 4.46 13,563 35.10 0.0152
2021-02-16 2020-12-31 13F MARATHON PETE COM 56585A102 242,731 11,590 5.01 10,039 48.02 0.0122
2020-11-10 2020-09-30 13F MARATHON PETE COM 56585A102 231,141 64,797 38.95 6,782 9.07 0.0094
2020-08-13 2020-06-30 13F MARATHON PETE COM 56585A102 166,344 -2,610 -1.54 6,218 55.80 0.0088
2020-05-15 2020-03-31 13F MARATHON PETE COM 56585A102 168,954 -2,050 -1.20 3,991 -61.26 0.0068
2020-02-11 2019-12-31 13F MARATHON PETE COM 56585A102 171,004 -21,708 -11.26 10,303 -11.99 0.0150
2019-11-07 2019-09-30 13F MARATHON PETE COM 56585A102 192,712 -12,100 -5.91 11,707 2.29 0.0179
2019-08-01 2019-06-30 13F MARATHON PETE COM 56585A102 204,812 -10,560 -4.90 11,445 -11.21 0.0171
2019-05-08 2019-03-31 13F MARATHON PETE COM 56585A102 215,372 11 0.01 12,890 1.43 0.0197
2019-02-01 2018-12-31 13F MARATHON PETE COM 56585A102 215,361 84,512 64.59 12,708 21.44 0.0221
2018-11-01 2018-09-30 13F MARATHON PETE COM 56585A102 130,849 -9,960 -7.07 10,464 5.92 0.0155
2018-07-31 2018-06-30 13F MARATHON PETE COM 56585A102 140,809 -27,722 -16.45 9,879 -19.82 0.0151
2018-05-11 2018-03-31 13F MARATHON PETE COM 56585A102 168,531 17,660 11.71 12,321 23.78 0.0189
2018-02-02 2017-12-31 13F MARATHON PETE COM 56585A102 150,871 -11,339 -6.99 9,954 9.42 0.0145
2017-11-09 2017-09-30 13F MARATHON PETE COM 56585A102 162,210 -11,961 -6.87 9,097 -0.19 0.0136
2017-08-01 2017-06-30 13F MARATHON PETE COM 56585A102 174,171 -16,648 -8.72 9,114 -5.50 0.0144
2017-05-05 2017-03-31 13F MARATHON PETE COM 56585A102 190,819 -900 -0.47 9,644 -0.09 0.0154
2017-02-08 2016-12-31 13F MARATHON PETE COM 56585A102 191,719 -43,835 -18.61 9,653 0.96 0.0163
2016-11-02 2016-09-30 13F MARATHON PETE COM 56585A102 235,554 -5,098 -2.12 9,561 4.66 0.0165
2016-08-04 2016-06-30 13F MARATHON PETE COM 56585A102 240,652 -3,980 -1.63 9,135 0.44 0.0166
2016-05-05 2016-03-31 13F MARATHON PETE COM 56585A102 244,632 -25,685 -9.50 9,095 -35.10 0.0170
2016-02-04 2015-12-31 13F MARATHON PETE COM 56585A102 270,317 -4,957 -1.80 14,014 9.89 0.0278
2015-11-12 2015-09-30 13F MARATHON PETE COM 56585A102 275,274 -25,147 -8.37 12,753 -18.85 0.0251
2015-08-11 2015-06-30 13F MARATHON PETE COM 56585A102 300,421 152,947 103.71 15,715 4.07 0.0281
2015-04-28 2015-03-31 13F MARATHON PETE COM 56585A102 147,474 147,474 0.00 15,100 0.0273
2015-01-30 2014-12-31 13F MARATHON PETE COM 56585A102 0 -119,339 -100.00 0 -100.00
2014-11-06 2014-09-30 13F MARATHON PETE COM 56585A102 119,339 -10,545 -8.12 10,104 -0.36 0.0174
2014-08-12 2014-06-30 13F MARATHON PETE COM 56585A102 129,884 -3,300 -2.48 10,140 -12.53 0.0173
2014-05-09 2014-03-31 13F MARATHON PETE COM 56585A102 133,184 -14,000 -9.51 11,592 -14.14 0.0211
2014-02-07 2013-12-31 13F MARATHON PETE COM 56585A102 147,184 -16,000 -9.80 13,501 28.63 0.0252
2013-11-08 2013-09-30 13F MARATHON PETE COM 56585A102 163,184 -7,600 -4.45 10,496 -13.51 0.0209
2013-07-24 2013-06-30 13F MARATHON PETE COM 56585A102 170,784 170,784 12,136 0.0260
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.