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ARTHUR M. COHEN & ASSOCIATES, LLC: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARTHUR M. COHEN & ASSOCIATES, LLC on COST, newest first. How the timeline and the estimate are built.

ARTHUR M. COHEN & ASSOCIATES, LLC held 16,369 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,369 shares
    Change vs previous 13F +26 shares

    2.39% of the 13F portfolio, value $15,312,512.

    13F-HR 0001692252-26-000003 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 16,343 shares
    Change vs previous 13F +66 shares

    2.9% of the 13F portfolio, value $16,287,174.

    13F-HR 0001692252-26-000002 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 16,277 shares
    Change vs previous 13F +368 shares

    2.29% of the 13F portfolio, value $14,037,517.

    13F-HR 0001692252-26-000001 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 15,909 shares
    Change vs previous 13F -62 shares

    2.48% of the 13F portfolio, value $14,725,688.

    13F-HR 0001085146-25-005925 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 15,971 shares
    Change vs previous 13F -3,151 shares

    2.79% of the 13F portfolio, value $15,809,907.

    13F-HR 0001085146-25-003752 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 19,122 shares
    Change vs previous 13F +2,738 shares

    2.94% of the 13F portfolio, value $15,360,727.

    13F-HR 0001692252-25-000002 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 16,384 shares
    Change vs previous 13F -96 shares

    2.66% of the 13F portfolio, value $15,012,435.

    13F-HR 0001692252-25-000001 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    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 16,480 shares
    Change vs previous 13F not available

    2.61% of the 13F portfolio, value $14,462,243.

    13F-HR 0001692252-24-000005 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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