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Disclosery

Stonebrook Private Inc.: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Stonebrook Private Inc. on MPC, newest first. How the timeline and the estimate are built.

Stonebrook Private Inc. held 10,770 MPC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,770 shares
    Change vs previous 13F +18 shares

    0.5% of the 13F portfolio, value $2,753,497.

    13F-HR 0001765380-26-000393 filed by Stonebrook Private Inc.
    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 10,752 shares
    Change vs previous 13F -547 shares

    0.56% of the 13F portfolio, value $2,625,527.

    13F-HR 0001765380-26-000202 filed by Stonebrook Private Inc.
    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 11,299 shares
    Change vs previous 13F -10,925 shares

    0.38% of the 13F portfolio, value $1,837,575.

    13F-HR 0001765380-26-000103 filed by Stonebrook Private Inc.
    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 22,224 shares
    Change vs previous 13F +615 shares

    0.93% of the 13F portfolio, value $4,283,359.

    13F-HR 0001765380-25-000461 filed by Stonebrook Private Inc.
    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 21,609 shares
    Change vs previous 13F -50 shares

    0.84% of the 13F portfolio, value $3,579,969.

    13F-HR 0001765380-25-000325 filed by Stonebrook Private Inc.
    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 21,659 shares
    Change vs previous 13F -549 shares

    0.82% of the 13F portfolio, value $3,155,463.

    13F-HR 0001765380-25-000157 filed by Stonebrook Private Inc.
    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 22,208 shares
    Change vs previous 13F -7,318 shares

    0.81% of the 13F portfolio, value $3,098,024.

    13F-HR 0001765380-25-000116 filed by Stonebrook Private Inc.
    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 29,526 shares
    Change vs previous 13F not available

    1.27% of the 13F portfolio, value $4,810,002.

    13F-HR 0001765380-24-000429 filed by Stonebrook Private Inc.
    Filed (acceptance time not in the bulk data set), ingested

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