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Disclosery

Tufton Capital Management: COST position timeline

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

Tufton Capital Management held 2,260 COST 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 2,260 shares
    Change vs previous 13F +10 shares

    0.35% of the 13F portfolio, value $2,114,000.

    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 2,250 shares
    Change vs previous 13F -255 shares

    0.41% of the 13F portfolio, value $2,241,000.

    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 2,505 shares
    Change vs previous 13F -162 shares

    0.38% of the 13F portfolio, value $2,160,000.

    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 2,667 shares
    Change vs previous 13F +9 shares

    0.44% of the 13F portfolio, value $2,468,000.

    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 2,658 shares
    Change vs previous 13F -5 shares

    0.5% of the 13F portfolio, value $2,631,000.

    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 2,663 shares
    Change vs previous 13F +59 shares

    0.49% of the 13F portfolio, value $2,518,612.

    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 2,604 shares
    Change vs previous 13F +27 shares

    0.45% of the 13F portfolio, value $2,385,967.

    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 2,577 shares
    Change vs previous 13F not available

    0.43% of the 13F portfolio, value $2,284,562.

    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).