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HIGHLAND CAPITAL MANAGEMENT, LLC: TNK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HIGHLAND CAPITAL MANAGEMENT, LLC on TNK, newest first. How the timeline and the estimate are built.

HIGHLAND CAPITAL MANAGEMENT, LLC held 9,902 TNK shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,902 shares
    Change vs previous 13F -259 shares

    0.03% of the 13F portfolio, value $642,343.

    13F-HR 0000860486-26-000005 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    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 10,161 shares
    Change vs previous 13F +3,089 shares

    0.04% of the 13F portfolio, value $745,005.

    13F-HR 0000860486-26-000004 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    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 7,072 shares
    Change vs previous 13F -231 shares

    0.02% of the 13F portfolio, value $377,786.

    13F-HR 0000860486-26-000002 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    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 7,303 shares
    Change vs previous 13F -76 shares

    0.02% of the 13F portfolio, value $369,167.

    13F-HR 0000860486-25-000008 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    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 7,379 shares
    Change vs previous 13F -83 shares

    0.02% of the 13F portfolio, value $307,852.

    13F-HR 0000860486-25-000005 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    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 7,462 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $285,571.

    13F-HR 0000860486-25-000004 filed by HIGHLAND CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).