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Disclosery

Corundum Group, Inc.: SPYM position timeline

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

Corundum Group, Inc. held 37,204 SPYM 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 37,204 shares
    Change vs previous 13F +3,665 shares

    0.97% of the 13F portfolio, value $3,269,488.

    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 33,539 shares
    Change vs previous 13F -5,641 shares

    0.86% of the 13F portfolio, value $2,567,075.

    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 39,180 shares
    Change vs previous 13F +35,713 shares

    1.05% of the 13F portfolio, value $3,143,020.

    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 3,467 shares
    Change vs previous 13F +251 shares

    0.11% of the 13F portfolio, value $271,605.

    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 3,216 shares
    Change vs previous 13F -5,723 shares

    0.1% of the 13F portfolio, value $233,771.

    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 8,939 shares
    Change vs previous 13F -26,534 shares

    0.28% of the 13F portfolio, value $587,829.

    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 35,473 shares
    Change vs previous 13F not available

    0.91% of the 13F portfolio, value $2,445,509.

    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).