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Disclosery

Tufton Capital Management: TSM position timeline

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

Tufton Capital Management held 23,757 TSM 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 23,757 shares
    Change vs previous 13F -1,482 shares

    1.9% of the 13F portfolio, value $11,346,000.

    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 25,239 shares
    Change vs previous 13F -406 shares

    1.55% of the 13F portfolio, value $8,529,000.

    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 25,645 shares
    Change vs previous 13F -1,511 shares

    1.36% of the 13F portfolio, value $7,793,000.

    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 27,156 shares
    Change vs previous 13F -153 shares

    1.35% of the 13F portfolio, value $7,584,000.

    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 27,309 shares
    Change vs previous 13F -593 shares

    1.18% of the 13F portfolio, value $6,185,000.

    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 27,902 shares
    Change vs previous 13F -651 shares

    0.89% of the 13F portfolio, value $4,631,732.

    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 28,553 shares
    Change vs previous 13F -767 shares

    1.07% of the 13F portfolio, value $5,638,932.

    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 29,320 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $5,092,004.

    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).