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Disclosery

Thompson David Blair: COST position timeline

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

Thompson David Blair held 777 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 777 shares
    Change vs previous 13F -29 shares

    0.36% of the 13F portfolio, value $726,860.

    13F-HR 0002150492-26-000003 filed by Thompson David Blair
    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 806 shares
    Change vs previous 13F -68 shares

    0.46% of the 13F portfolio, value $803,123.

    13F-HR 0002150492-26-000001 filed by Thompson David Blair
    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 874 shares
    Change vs previous 13F -232 shares

    0.43% of the 13F portfolio, value $753,685.

    13F-HR 0002150492-26-000002 filed by Thompson David Blair
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 1,106 shares
    Change vs previous 13F not available

    0.74% of the 13F portfolio, value $1,013,395.

    13F-HR 0002150492-26-000004 filed by Thompson David Blair
    Filed (acceptance time not in the bulk data set), ingested

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