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Disclosery

Corundum Group, Inc.: JPM position timeline

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

Corundum Group, Inc. held 9,835 JPM 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 9,835 shares
    Change vs previous 13F +87 shares

    0.95% of the 13F portfolio, value $3,219,291.

    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 9,748 shares
    Change vs previous 13F +73 shares

    0.96% of the 13F portfolio, value $2,867,472.

    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 9,675 shares
    Change vs previous 13F -148 shares

    1.05% of the 13F portfolio, value $3,117,478.

    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 9,823 shares
    Change vs previous 13F -218 shares

    1.27% of the 13F portfolio, value $3,098,469.

    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 10,041 shares
    Change vs previous 13F -23 shares

    1.29% of the 13F portfolio, value $2,910,986.

    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 10,064 shares
    Change vs previous 13F -3,259 shares

    1.18% of the 13F portfolio, value $2,468,699.

    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 13,323 shares
    Change vs previous 13F +3,190 shares

    1.19% of the 13F portfolio, value $3,193,656.

    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 10,133 shares
    Change vs previous 13F not available

    0.97% of the 13F portfolio, value $2,136,644.

    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).