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Marathon Petroleum Corp

MPCNYSEPetroleum RefiningFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 16/308% above fair value
$430.39−14.34 (-3.22%)

Close on Nov 2, 2026Market cap $120.86BP/E 14.8Yield 0.87%

Marathon Petroleum MPLX LP common units held by MPC (million units)

QuarterlyAnnual

Marathon Petroleum MPLX LP common units held by MPC (million units): 647.00 m_units in Q2 2026, unchanged from a year earlier. That is the highest of the 15 quarters on record here.

Latest, Q2 2026
647.00
Period ended Jun 30, 2026
Change on a year earlier
0.0%
647.00 in Q2 2025
History
15 quarters
Since Q4 2022
Sources
14
Documents cited below

Where the Q2 2026 figure comes from

“MPLX:0001552000-26-000038/mplx-20260630_htm.xml | LimitedPartnersCapitalAccountUnitsOutstanding [CommonStockMember, RelatedPartyMember] | FY2026Q2: 647”

Source: MPLX LP Form 10-Q, filed 2026-08-04 ↗

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedMPLX LP common units held by MPC (million units)Year on yearSource
Q2 2026Jun 30, 2026647.000.0%MPLX LP Form 10-Q, filed 2026-08-04 ↗
Q1 2026Mar 31, 2026647.000.0%MPLX LP Form 10-Q, filed 2026-05-05 ↗
Q4 2025Dec 31, 2025647.000.0%MPLX LP Form 10-Q, filed 2026-08-04 ↗
Q3 2025Sep 30, 2025647.000.0%MPLX LP Form 10-Q, filed 2025-11-04 ↗
Q2 2025Jun 30, 2025647.000.0%MPLX LP Form 10-Q, filed 2025-08-05 ↗
Q1 2025Mar 31, 2025647.000.0%MPLX LP Form 10-Q, filed 2025-05-06 ↗
Q4 2024Dec 31, 2024647.000.0%MPLX LP Form 10-K, filed 2026-02-26 ↗
Q3 2024Sep 30, 2024647.000.0%MPLX LP Form 10-Q, filed 2024-11-05 ↗
Q2 2024Jun 30, 2024647.000.0%MPLX LP Form 10-Q, filed 2024-08-06 ↗
Q1 2024Mar 31, 2024647.000.0%MPLX LP Form 10-Q, filed 2024-04-30 ↗
Q4 2023Dec 31, 2023647.000.0%MPLX LP Form 10-K, filed 2025-02-27 ↗
Q3 2023Sep 30, 2023647.00–MPLX LP Form 10-Q, filed 2023-10-31 ↗
Q2 2023Jun 30, 2023647.00–MPLX LP Form 10-Q, filed 2023-08-01 ↗
Q1 2023Mar 31, 2023647.00–MPLX LP Form 10-Q, filed 2023-05-02 ↗
Q4 2022Dec 31, 2022647.00–MPLX LP Form 10-K, filed 2024-02-28 ↗

Cite this data

StockData. (2026). Marathon Petroleum MPLX LP common units held by MPC (million units), quarterly Q4 2022–Q2 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/xbrl-mplx-units-mpc-m

See every metric in the Marathon Petroleum KPI table. Data updated Oct 27, 2026.