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Disclosery

Corundum Group, Inc.: NUDM position timeline

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

Corundum Group, Inc. held 8,456 NUDM 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 8,456 shares
    Change vs previous 13F +61 shares

    0.1% of the 13F portfolio, value $338,409.

    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 8,395 shares
    Change vs previous 13F +47 shares

    0.1% of the 13F portfolio, value $303,143.

    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 8,348 shares
    Change vs previous 13F +195 shares

    0.1% of the 13F portfolio, value $302,281.

    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 8,153 shares
    Change vs previous 13F +164 shares

    0.13% of the 13F portfolio, value $306,716.

    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 7,989 shares
    Change vs previous 13F -53 shares

    0.13% of the 13F portfolio, value $283,530.

    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 8,042 shares
    Change vs previous 13F -659 shares

    0.12% of the 13F portfolio, value $256,138.

    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 8,701 shares
    Change vs previous 13F +971 shares

    0.1% of the 13F portfolio, value $261,552.

    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 7,730 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $260,135.

    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).