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GARDNER RUSSO & QUINN LLC: COST position timeline

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

GARDNER RUSSO & QUINN LLC held 3,399 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,399 shares
    Change vs previous 13F -1,225 shares

    0.04% of the 13F portfolio, value $3,179,709.

    13F-HR 0000860643-26-000005 filed by GARDNER RUSSO & QUINN 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 4,624 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $4,607,417.

    13F-HR 0000860643-26-000003 filed by GARDNER RUSSO & QUINN 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 4,624 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $3,987,295.

    13F-HR 0000860643-26-000001 filed by GARDNER RUSSO & QUINN 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 4,624 shares
    Change vs previous 13F -9 shares

    0.05% of the 13F portfolio, value $4,279,820.

    13F-HR 0000860643-25-000007 filed by GARDNER RUSSO & QUINN 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 4,633 shares
    Change vs previous 13F -4 shares

    0.05% of the 13F portfolio, value $4,585,964.

    13F-HR 0000860643-25-000004 filed by GARDNER RUSSO & QUINN 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 4,637 shares
    Change vs previous 13F -760 shares

    0.05% of the 13F portfolio, value $4,386,010.

    13F-HR 0000860643-25-000003 filed by GARDNER RUSSO & QUINN 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 5,397 shares
    Change vs previous 13F -25 shares

    0.06% of the 13F portfolio, value $4,945,436.

    13F-HR 0000860643-25-000001 filed by GARDNER RUSSO & QUINN 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 5,422 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $4,806,931.

    13F-HR 0000860643-24-000007 filed by GARDNER RUSSO & QUINN LLC
    Filed (acceptance time not in the bulk data set), ingested

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