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Disclosery

Blume Capital Management, Inc.: COST position timeline

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

Blume Capital Management, Inc. held 4,540 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 4,540 shares
    Change vs previous 13F -45 shares

    0.63% of the 13F portfolio, value $4,247,034.

    13F-HR 0001587192-26-000003 filed by Blume Capital Management, 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 4,585 shares
    Change vs previous 13F -599 shares

    0.78% of the 13F portfolio, value $4,568,632.

    13F-HR 0001587192-26-000002 filed by Blume Capital Management, 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 5,184 shares
    Change vs previous 13F -348 shares

    0.82% of the 13F portfolio, value $4,470,371.

    13F-HR 0001587192-26-000001 filed by Blume Capital Management, 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 5,532 shares
    Change vs previous 13F -163 shares

    0.98% of the 13F portfolio, value $5,120,586.

    13F-HR 0001587192-25-000008 filed by Blume Capital Management, 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 5,695 shares
    Change vs previous 13F +6 shares

    1.15% of the 13F portfolio, value $5,637,709.

    13F-HR 0001587192-25-000006 filed by Blume Capital Management, 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 5,689 shares
    Change vs previous 13F -569 shares

    1.2% of the 13F portfolio, value $5,380,543.

    13F-HR 0001587192-25-000002 filed by Blume Capital Management, 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 6,258 shares
    Change vs previous 13F -139 shares

    1.29% of the 13F portfolio, value $5,734,018.

    13F-HR 0001587192-25-000001 filed by Blume Capital Management, 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 6,397 shares
    Change vs previous 13F not available

    1.28% of the 13F portfolio, value $5,671,069.

    13F-HR 0001587192-24-000009 filed by Blume Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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