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Disclosery

Corundum Group, Inc.: IWO position timeline

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

Corundum Group, Inc. held 34,722 IWO 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 34,722 shares
    Change vs previous 13F -592 shares

    4.06% of the 13F portfolio, value $13,679,079.

    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 35,314 shares
    Change vs previous 13F +1,029 shares

    3.7% of the 13F portfolio, value $11,081,886.

    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 34,285 shares
    Change vs previous 13F +5,381 shares

    3.72% of the 13F portfolio, value $11,074,398.

    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 28,904 shares
    Change vs previous 13F -146 shares

    3.8% of the 13F portfolio, value $9,250,436.

    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 29,050 shares
    Change vs previous 13F +360 shares

    3.67% of the 13F portfolio, value $8,304,233.

    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 28,690 shares
    Change vs previous 13F 0 shares

    3.52% of the 13F portfolio, value $7,331,156.

    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 28,690 shares
    Change vs previous 13F -1,001 shares

    3.08% of the 13F portfolio, value $8,257,556.

    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 29,691 shares
    Change vs previous 13F not available

    3.85% of the 13F portfolio, value $8,432,244.

    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).