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Zullo Investment Group, Inc.: COST position timeline

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

Zullo Investment Group, Inc. held 1,959 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,959 shares
    Change vs previous 13F -3 shares

    0.63% of the 13F portfolio, value $1,833,317.

    13F-HR 0001909760-26-000003 filed by Zullo Investment Group, 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 1,962 shares
    Change vs previous 13F +10 shares

    0.74% of the 13F portfolio, value $1,955,447.

    13F-HR 0001909760-26-000002 filed by Zullo Investment Group, 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 1,952 shares
    Change vs previous 13F +25 shares

    0.62% of the 13F portfolio, value $1,684,271.

    13F-HR 0001909760-26-000001 filed by Zullo Investment Group, 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 1,927 shares
    Change vs previous 13F +3 shares

    0.66% of the 13F portfolio, value $1,784,433.

    13F-HR 0001909760-25-000002 filed by Zullo Investment Group, 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 1,924 shares
    Change vs previous 13F +14 shares

    0.77% of the 13F portfolio, value $1,905,124.

    13F-HR 0001085146-25-004138 filed by Zullo Investment Group, 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 1,910 shares
    Change vs previous 13F -353 shares

    0.77% of the 13F portfolio, value $1,806,612.

    13F-HR 0001085146-25-002533 filed by Zullo Investment Group, 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 2,263 shares
    Change vs previous 13F -1 shares

    0.84% of the 13F portfolio, value $2,073,610.

    13F-HR 0001085146-25-000702 filed by Zullo Investment Group, 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 2,264 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $2,007,393.

    13F-HR 0001085146-24-004857 filed by Zullo Investment Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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