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Lummis Asset Management, LP: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Lummis Asset Management, LP on AMT, newest first. How the timeline and the estimate are built.

Lummis Asset Management, LP held 15,032 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,032 shares
    Change vs previous 13F 0 shares

    1.49% of the 13F portfolio, value $2,491,672.

    13F-HR 0002011652-26-000003 filed by Lummis Asset Management, LP
    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 15,032 shares
    Change vs previous 13F 0 shares

    1.57% of the 13F portfolio, value $2,624,815.

    13F-HR 0002011652-26-000002 filed by Lummis Asset Management, LP
    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 15,032 shares
    Change vs previous 13F 0 shares

    1.62% of the 13F portfolio, value $2,639,168.

    13F-HR 0002011652-26-000001 filed by Lummis Asset Management, LP
    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 15,032 shares
    Change vs previous 13F 0 shares

    1.9% of the 13F portfolio, value $2,890,954.

    13F-HR 0002011652-25-000006 filed by Lummis Asset Management, LP
    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 15,032 shares
    Change vs previous 13F 0 shares

    2.14% of the 13F portfolio, value $3,278,552.

    13F-HR 0002011652-25-000004 filed by Lummis Asset Management, LP
    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 15,032 shares
    Change vs previous 13F +3,020 shares

    2.29% of the 13F portfolio, value $3,294,549.

    13F-HR 0002011652-25-000002 filed by Lummis Asset Management, LP
    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 12,012 shares
    Change vs previous 13F 0 shares

    2.79% of the 13F portfolio, value $2,203,121.

    13F-HR 0002011652-25-000001 filed by Lummis Asset Management, LP
    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 12,012 shares
    Change vs previous 13F not available

    3.26% of the 13F portfolio, value $2,793,511.

    13F-HR 0002011652-24-000004 filed by Lummis Asset Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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