Marathon Petroleum Corporation
MX ˙ BMV ˙ US56585A1025
SecurityMX:MPC / Marathon Petroleum Corporation
InstitutionNeville Rodie & Shaw Inc
Latest Disclosed Ownership6,714 shares
Latest Disclosed Value $ 1,639
Neville Rodie & Shaw Inc ownership in MPC / Marathon Petroleum Corporation

On April 1, 2026 - Neville Rodie & Shaw Inc filed a 13F-HR form disclosing ownership of 6,714 shares of Marathon Petroleum Corporation (MX:MPC) valued at $1,639 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 6, 2026 disclosing 6,714 shares of Marathon Petroleum Corporation. This represents a change in shares of 0.00% during the quarter.

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)
2026-04-01 2026-03-31 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 2 0.00 0.0694
2026-01-06 2025-12-31 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 0.00 0.0771
2025-10-01 2025-09-30 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 0.00 0.0936
2025-07-02 2025-06-30 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 0.0827
2025-04-01 2025-03-31 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 0.0766
2025-01-06 2024-12-31 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 -100.00 0.0683
2024-10-01 2024-09-30 13F MARATHON PETROLEUM COM 56585A102 6,714 0 0.00 1 0.00 0.0805
2024-07-01 2024-06-30 13F MARATHON PETROLEUM COM 56585A102 6,714 -166 -2.41 1 0.00 0.0884
2024-04-09 2024-03-31 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 0.00 0.1058
2024-01-02 2023-12-31 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 0.00 0.0835
2023-10-10 2023-09-30 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 0.0929
2023-07-06 2023-06-30 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 0.0690
2023-04-04 2023-03-31 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 -100.00 0.0841
2023-01-03 2022-12-31 13F MARATHON PETROLEUM COM 56585A102 6,880 0 0.00 1 -100.00 0.0752
2022-10-04 2022-09-30 13F MARATHON PETROLEUM COM 56585A102 6,880 48 0.70 683 21.53 0.0672
2022-07-06 2022-06-30 13F MARATHON PETROLEUM COM 56585A102 6,832 0 0.00 562 -2.94 0.0503
2022-04-05 2022-03-31 13F MARATHON PETROLEUM COM 56585A102 6,832 -432 -5.95 579 24.52 0.0430
2022-01-05 2021-12-31 13F MARATHON PETROLEUM COM 56585A102 7,264 0 0.00 465 3.56 0.0329
2021-10-06 2021-09-30 13F MARATHON PETROLEUM COM 56585A102 7,264 0 0.00 449 2.28 0.0349
2021-07-06 2021-06-30 13F MARATHON PETROLEUM COM 56585A102 7,264 0 0.00 439 12.85 0.0338
2021-04-08 2021-03-31 13F MARATHON PETROLEUM COM 56585A102 7,264 0 0.00 389 29.67 0.0322
2021-03-04 2020-12-31 13F MARATHON PETROLEUM COM 56585A102 7,264 -368 -4.82 300 33.93 0.0260
2020-10-01 2020-09-30 13F MARATHON PETROLEUM COM 56585A102 7,632 0 0.00 224 -21.40 0.0211
2020-07-15 2020-06-30 13F MARATHON PETROLEUM COM 56585A102 7,632 -1,000 -11.58 285 39.71 0.0294
2020-04-01 2020-03-31 13F/A-1 MARATHON PETROLEUM COM 56585A102 8,632 -37,880 -81.44 204 -92.72 0.0248
2020-04-01 2020-03-31 13F MARATHON PETROLEUM COM 56585A102 46,512 0 2,802 157,546.3699
2020-01-08 2019-12-31 13F MARATHON PETROLEUM COM 56585A102 46,512 0 0.00 2,802 -0.85 0.2748
2019-10-02 2019-09-30 13F MARATHON PETROLEUM COM 56585A102 46,512 -5,150 -9.97 2,826 -2.11 0.2991
2019-07-01 2019-06-30 13F MARATHON PETROLEUM COM 56585A102 51,662 -10,336 -16.67 2,887 -22.20 0.3056
2019-04-08 2019-03-31 13F MARATHON PETROLEUM COM 56585A102 61,998 24,671 66.09 3,711 68.45 0.3933
2019-01-03 2018-12-31 13F MARATHON PETROLEUM COM 56585A102 37,327 29,495 376.60 2,203 251.92 0.2673
2018-10-09 2018-09-30 13F MARATHON PETROLEUM COM 56585A102 7,832 0 0.00 626 14.03 0.0618
2018-07-03 2018-06-30 13F MARATHON PETROLEUM COM 56585A102 7,832 0 0.00 549 -4.19 0.0579
2018-04-12 2018-03-31 13F MARATHON PETROLEUM COM 56585A102 7,832 -332 -4.07 573 6.31 0.0632
2018-01-03 2017-12-31 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 539 17.69 0.0568
2017-10-03 2017-09-30 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 458 7.26 0.0511
2017-07-03 2017-06-30 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 427 3.39 0.0487
2017-05-09 2017-03-31 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 413 0.49 0.0473
2017-01-27 2016-12-31 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 411 24.17 0.0485
2016-10-27 2016-09-30 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 331 6.77 0.0390
2016-07-13 2016-06-30 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 310 1.97 0.0371
2016-04-14 2016-03-31 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 304 -28.13 0.0369
2016-01-22 2015-12-31 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 423 11.90 0.0508
2015-10-06 2015-09-30 13F MARATHON PETROLEUM COM 56585A102 8,164 0 0.00 378 -11.48 0.0463
2015-07-17 2015-06-30 13F MARATHON PETROLEUM COM 56585A102 8,164 4,082 100.00 427 2.15 0.0468
2015-04-09 2015-03-31 13F MARATHON PETROLEUM COM 56585A102 4,082 0 0.00 418 13.59 0.0434
2015-01-09 2014-12-31 13F MARATHON PETROLEUM COM 56585A102 4,082 0 0.00 368 6.36 0.0372
2014-10-10 2014-09-30 13F MARATHON PETROLEUM COM 56585A102 4,082 0 0.00 346 8.46 0.0341
2014-07-10 2014-06-30 13F MARATHON PETROLEUM COM 56585A102 4,082 -361 -8.13 319 -17.57 0.0320
2014-04-08 2014-03-31 13F MARATHON PETROLEUM COM 56585A102 4,443 0 0.00 387 -5.15 0.0419
2014-01-13 2013-12-31 13F MARATHON PETROLEUM COM 56585A102 4,443 -138 -3.01 408 38.31 0.0441
2013-10-10 2013-09-30 13F MARATHON PETE CORP COM COM 56585A102 4,581 0 0.00 295 -9.51 0.0344
2014-01-13 2013-06-30 13F/A-1 MARATHON PETE CORP COM COM 56585A102 4,581 4,581 326 0.0395
2013-07-03 2013-06-30 13F MARATHON PETE CORP COM COM 56585A102 4,581 326
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.