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Disclosery

AVENIR CORP: MPLX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AVENIR CORP on MPLX, newest first. How the timeline and the estimate are built.

AVENIR CORP held 185,366 MPLX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 185,366 shares
    Change vs previous 13F -1,526 shares

    1.27% of the 13F portfolio, value $10,441,667.

    13F-HR 0001033475-26-000006 filed by AVENIR CORP
    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 186,892 shares
    Change vs previous 13F 0 shares

    1.3% of the 13F portfolio, value $10,665,926.

    13F-HR 0001033475-26-000005 filed by AVENIR CORP
    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 186,892 shares
    Change vs previous 13F 0 shares

    1.08% of the 13F portfolio, value $9,974,426.

    13F-HR 0001033475-26-000002 filed by AVENIR CORP
    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 186,892 shares
    Change vs previous 13F +3,925 shares

    0.97% of the 13F portfolio, value $9,335,255.

    13F-HR 0001033475-25-000009 filed by AVENIR CORP
    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 182,967 shares
    Change vs previous 13F -327 shares

    0.97% of the 13F portfolio, value $9,424,630.

    13F-HR 0001033475-25-000007 filed by AVENIR CORP
    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 183,294 shares
    Change vs previous 13F 0 shares

    1.03% of the 13F portfolio, value $9,809,895.

    13F-HR 0001033475-25-000005 filed by AVENIR CORP
    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 183,294 shares
    Change vs previous 13F -872 shares

    0.9% of the 13F portfolio, value $8,772,451.

    13F-HR 0001033475-25-000003 filed by AVENIR CORP
    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 184,166 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $8,188,020.

    13F-HR 0001033475-24-000007 filed by AVENIR CORP
    Filed (acceptance time not in the bulk data set), ingested

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