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Disclosery

Corundum Group, Inc.: ABT position timeline

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

Corundum Group, Inc. held 9,802 ABT shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,802 shares
    Change vs previous 13F -122 shares

    0.26% of the 13F portfolio, value $889,433.

    13F-HR 0001486083-26-000003 filed by Corundum 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 9,924 shares
    Change vs previous 13F +305 shares

    0.34% of the 13F portfolio, value $1,018,897.

    13F-HR 0001486083-26-000002 filed by Corundum 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 9,619 shares
    Change vs previous 13F +894 shares

    0.4% of the 13F portfolio, value $1,205,165.

    13F-HR 0001486083-26-000001 filed by Corundum 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 8,725 shares
    Change vs previous 13F -29 shares

    0.48% of the 13F portfolio, value $1,168,626.

    13F-HR 0001486083-25-000006 filed by Corundum 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 8,754 shares
    Change vs previous 13F -93 shares

    0.53% of the 13F portfolio, value $1,190,632.

    13F-HR 0001486083-25-000005 filed by Corundum 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 8,847 shares
    Change vs previous 13F -4,134 shares

    0.56% of the 13F portfolio, value $1,173,555.

    13F-HR 0001486083-25-000004 filed by Corundum 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 12,981 shares
    Change vs previous 13F +4,193 shares

    0.55% of the 13F portfolio, value $1,468,281.

    13F-HR 0001486083-25-000001 filed by Corundum 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 8,788 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $1,001,920.

    13F-HR 0001486083-24-000004 filed by Corundum Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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