Corundum Group, Inc.: IWS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Corundum Group, Inc. on IWS, newest first. How the timeline and the estimate are built.
Corundum Group, Inc. held 61,801 IWS shares at 2026-06-30 per its 13F-HR filed 2026-08-07.
the latest 13F is the newest step
- period ended2026-06-3013F 61,801 sharesChange vs previous 13F -7,010 shares
3.02% of the 13F portfolio, value $10,172,445.
13F-HR 0001486083-26-000003 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 68,811 sharesChange vs previous 13F +924 shares
3.35% of the 13F portfolio, value $10,028,515.
13F-HR 0001486083-26-000002 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 67,887 sharesChange vs previous 13F +15,786 shares
3.21% of the 13F portfolio, value $9,575,461.
13F-HR 0001486083-26-000001 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 52,101 sharesChange vs previous 13F +2,103 shares
2.99% of the 13F portfolio, value $7,276,947.
13F-HR 0001486083-25-000006 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 49,998 sharesChange vs previous 13F +1,180 shares
2.92% of the 13F portfolio, value $6,606,736.
13F-HR 0001486083-25-000005 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 48,818 sharesChange vs previous 13F -1,011 shares
2.95% of the 13F portfolio, value $6,149,603.
13F-HR 0001486083-25-000004 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 49,829 sharesChange vs previous 13F -1,210 shares
2.41% of the 13F portfolio, value $6,444,883.
13F-HR 0001486083-25-000001 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 51,039 sharesChange vs previous 13F not available
3.08% of the 13F portfolio, value $6,749,908.
13F-HR 0001486083-24-000004 filed by Corundum Group, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).