Skip to content
Disclosery

Corundum Group, Inc.: MDT position timeline

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

Corundum Group, Inc. held 10,694 MDT 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 10,694 shares
    Change vs previous 13F +381 shares

    0.25% of the 13F portfolio, value $836,592.

    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 10,313 shares
    Change vs previous 13F +2,140 shares

    0.3% of the 13F portfolio, value $893,621.

    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 8,173 shares
    Change vs previous 13F -254 shares

    0.26% of the 13F portfolio, value $785,098.

    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 8,427 shares
    Change vs previous 13F +68 shares

    0.33% of the 13F portfolio, value $802,587.

    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 8,359 shares
    Change vs previous 13F +328 shares

    0.32% of the 13F portfolio, value $728,654.

    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 8,031 shares
    Change vs previous 13F -7,996 shares

    0.35% of the 13F portfolio, value $721,666.

    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 16,027 shares
    Change vs previous 13F +8,237 shares

    0.48% of the 13F portfolio, value $1,280,237.

    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 7,790 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $701,334.

    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).