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CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT: MPLX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT on MPLX, newest first. How the timeline and the estimate are built.

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT held 1,614,600 MPLX shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,614,600 shares
    Change vs previous 13F -244,500 shares

    4.07% of the 13F portfolio, value $90,950,418.

    13F-HR 0001315863-26-000561 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 1,859,100 shares
    Change vs previous 13F -24,700 shares

    5.28% of the 13F portfolio, value $106,098,837.

    13F-HR 0001315863-26-000367 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,883,800 shares
    Change vs previous 13F +150,000 shares

    5.77% of the 13F portfolio, value $100,538,406.

    13F-HR 0001329375-26-000001 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 1,733,800 shares
    Change vs previous 13F +18,000 shares

    4.92% of the 13F portfolio, value $86,603,310.

    13F-HR 0001329375-25-000009 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 1,715,800 shares
    Change vs previous 13F -106,909 shares

    5.37% of the 13F portfolio, value $88,380,858.

    13F-HR 0001085146-25-003787 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,822,709 shares
    Change vs previous 13F +315,747 shares

    6.02% of the 13F portfolio, value $97,551,386.

    13F-HR 0001085146-25-002315 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,506,962 shares
    Change vs previous 13F +8,166 shares

    4.79% of the 13F portfolio, value $72,123,201.

    13F-HR 0001085146-25-000352 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,498,796 shares
    Change vs previous 13F not available

    4.91% of the 13F portfolio, value $66,636,470.

    13F-HR 0001085146-24-005025 filed by CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).