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Disclosery

Tufton Capital Management: MMM position timeline

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

Tufton Capital Management held 30,071 MMM shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 30,071 shares
    Change vs previous 13F +12 shares

    0.82% of the 13F portfolio, value $4,868,000.

    13F-HR 0001055963-26-000003 filed by Tufton Capital Management
    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 30,059 shares
    Change vs previous 13F -342 shares

    0.79% of the 13F portfolio, value $4,365,000.

    13F-HR 0001055963-26-000002 filed by Tufton Capital Management
    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 30,401 shares
    Change vs previous 13F -244 shares

    0.85% of the 13F portfolio, value $4,867,000.

    13F-HR 0001055963-26-000001 filed by Tufton Capital Management
    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 30,645 shares
    Change vs previous 13F +1,573 shares

    0.85% of the 13F portfolio, value $4,755,000.

    13F-HR 0001055963-25-000005 filed by Tufton Capital Management
    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 29,072 shares
    Change vs previous 13F -2,814 shares

    0.84% of the 13F portfolio, value $4,425,000.

    13F-HR 0001055963-25-000003 filed by Tufton Capital Management
    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 31,886 shares
    Change vs previous 13F -205 shares

    0.9% of the 13F portfolio, value $4,682,900.

    13F-HR 0001055963-25-000002 filed by Tufton Capital Management
    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 32,091 shares
    Change vs previous 13F +454 shares

    0.78% of the 13F portfolio, value $4,142,649.

    13F-HR 0001055963-25-000001 filed by Tufton Capital Management
    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 31,637 shares
    Change vs previous 13F not available

    0.81% of the 13F portfolio, value $4,324,801.

    13F-HR 0001055963-24-000004 filed by Tufton Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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