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Disclosery

Corundum Group, Inc.: LIN position timeline

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

Corundum Group, Inc. held 13,913 LIN 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 13,913 shares
    Change vs previous 13F -1,950 shares

    2.14% of the 13F portfolio, value $7,220,012.

    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 15,863 shares
    Change vs previous 13F -7,859 shares

    2.63% of the 13F portfolio, value $7,864,241.

    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 23,722 shares
    Change vs previous 13F not available

    3.39% of the 13F portfolio, value $10,114,824.

    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).