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Disclosery

White Pine Investment CO: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of White Pine Investment CO on MPC, newest first. How the timeline and the estimate are built.

White Pine Investment CO held 44,610 MPC shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 44,610 shares
    Change vs previous 13F -2,423 shares

    2.43% of the 13F portfolio, value $11,405,000.

    13F-HR 0001318259-26-000003 filed by White Pine Investment CO
    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 47,033 shares
    Change vs previous 13F -2,128 shares

    2.67% of the 13F portfolio, value $11,485,000.

    13F-HR 0001318259-26-000002 filed by White Pine Investment CO
    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 49,161 shares
    Change vs previous 13F -2,522 shares

    1.88% of the 13F portfolio, value $7,995,000.

    13F-HR 0001318259-26-000001 filed by White Pine Investment CO
    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 51,683 shares
    Change vs previous 13F -1,042 shares

    2.36% of the 13F portfolio, value $9,961,000.

    13F-HR 0001318259-25-000005 filed by White Pine Investment CO
    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 52,725 shares
    Change vs previous 13F -1,491 shares

    2.19% of the 13F portfolio, value $8,758,000.

    13F-HR 0001318259-25-000003 filed by White Pine Investment CO
    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 54,216 shares
    Change vs previous 13F +208 shares

    2.13% of the 13F portfolio, value $7,899,000.

    13F-HR 0001318259-25-000002 filed by White Pine Investment CO
    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 54,008 shares
    Change vs previous 13F +280 shares

    2.03% of the 13F portfolio, value $7,534,000.

    13F-HR 0001318259-25-000001 filed by White Pine Investment CO
    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 53,728 shares
    Change vs previous 13F not available

    2.4% of the 13F portfolio, value $8,753,000.

    13F-HR 0001318259-24-000004 filed by White Pine Investment CO
    Filed (acceptance time not in the bulk data set), ingested

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