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Disclosery

Castellan Group: MPLX position timeline

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

Castellan Group held 82,931 MPLX shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 82,931 shares
    Change vs previous 13F +5,878 shares

    0.51% of the 13F portfolio, value $4,671,503.

    13F-HR 0001832521-26-000003 filed by Castellan Group
    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 77,053 shares
    Change vs previous 13F +5,609 shares

    0.61% of the 13F portfolio, value $4,397,415.

    13F-HR 0001832521-26-000002 filed by Castellan Group
    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 71,444 shares
    Change vs previous 13F +3,414 shares

    0.48% of the 13F portfolio, value $3,812,966.

    13F-HR 0001832521-26-000001 filed by Castellan Group
    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 68,030 shares
    Change vs previous 13F +5,877 shares

    0.49% of the 13F portfolio, value $3,398,099.

    13F-HR 0001832521-25-000008 filed by Castellan Group
    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/A 62,153 shares
    Change vs previous 13F +4,500 shares

    0.59% of the 13F portfolio, value $3,201,501.

    13F-HR/A 0001832521-25-000006 filed by Castellan Group
    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 57,653 shares
    Change vs previous 13F not available

    0.86% of the 13F portfolio, value $3,085,589.

    13F-HR 0001832521-25-000004 filed by Castellan Group
    Filed (acceptance time not in the bulk data set), ingested

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