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Disclosery

Belfer Management LLC: MPLX position timeline

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

Belfer Management LLC held 7,829 MPLX shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,829 shares
    Change vs previous 13F 0 shares

    7.31% of the 13F portfolio, value $441,023.

    13F-HR 0001140361-26-031775 filed by Belfer Management LLC
    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 7,829 shares
    Change vs previous 13F -20 shares

    7.47% of the 13F portfolio, value $446,816.

    13F-HR 0001140361-26-019974 filed by Belfer Management LLC
    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 7,849 shares
    Change vs previous 13F +181 shares

    7.34% of the 13F portfolio, value $418,902.

    13F-HR 0001140361-26-003464 filed by Belfer Management LLC
    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 7,668 shares
    Change vs previous 13F 0 shares

    5.32% of the 13F portfolio, value $383,037.

    13F-HR 0001140361-25-039570 filed by Belfer Management LLC
    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 7,668 shares
    Change vs previous 13F 0 shares

    6.04% of the 13F portfolio, value $394,999.

    13F-HR 0001140361-25-027093 filed by Belfer Management LLC
    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 7,668 shares
    Change vs previous 13F -65 shares

    7.13% of the 13F portfolio, value $410,413.

    13F-HR 0001140361-25-018286 filed by Belfer Management LLC
    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 7,733 shares
    Change vs previous 13F 0 shares

    5.89% of the 13F portfolio, value $370,092.

    13F-HR 0001140361-25-003552 filed by Belfer Management LLC
    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 7,733 shares
    Change vs previous 13F not available

    5.57% of the 13F portfolio, value $343,800.

    13F-HR 0001140361-24-045951 filed by Belfer Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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