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Disclosery

Kidder Stephen W: COST position timeline

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

Kidder Stephen W held 462 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 462 shares
    Change vs previous 13F -25 shares

    0.11% of the 13F portfolio, value $432,187.

    13F-HR 0001314377-26-000008 filed by Kidder Stephen W
    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 487 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $485,261.

    13F-HR 0001314377-26-000007 filed by Kidder Stephen W
    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 487 shares
    Change vs previous 13F -10 shares

    0.12% of the 13F portfolio, value $419,960.

    13F-HR 0001314377-26-000001 filed by Kidder Stephen W
    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 497 shares
    Change vs previous 13F -50 shares

    0.13% of the 13F portfolio, value $460,038.

    13F-HR 0001314377-25-000003 filed by Kidder Stephen W
    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 547 shares
    Change vs previous 13F +3 shares

    0.16% of the 13F portfolio, value $541,497.

    13F-HR 0001314376-25-000004 filed by Kidder Stephen W
    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 544 shares
    Change vs previous 13F +275 shares

    0.16% of the 13F portfolio, value $514,504.

    13F-HR 0001215208-25-000002 filed by Kidder Stephen W
    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 269 shares
    Change vs previous 13F +28 shares

    0.07% of the 13F portfolio, value $246,477.

    13F-HR 0001494234-25-000006 filed by Kidder Stephen W
    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 241 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $213,651.

    13F-HR 0001053914-24-000006 filed by Kidder Stephen W
    Filed (acceptance time not in the bulk data set), ingested

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