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Madison Asset Management, LLC: AMT position timeline

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

Madison Asset Management, LLC held 28,300 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 28,300 shares
    Change vs previous 13F -268 shares

    0.06% of the 13F portfolio, value $4,629,031.

    13F-HR 0001954889-26-000022 filed by Madison Asset 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 28,568 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $4,930,265.

    13F-HR 0001954889-26-000018 filed by Madison Asset 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 28,568 shares
    Change vs previous 13F -81,631 shares

    0.06% of the 13F portfolio, value $5,015,684.

    13F-HR 0001954889-26-000008 filed by Madison Asset 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 110,199 shares
    Change vs previous 13F -36,808 shares

    0.23% of the 13F portfolio, value $21,193,472.

    13F-HR 0001954889-25-000033 filed by Madison Asset 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 147,007 shares
    Change vs previous 13F -11,999 shares

    0.35% of the 13F portfolio, value $32,491,487.

    13F-HR 0001954889-25-000027 filed by Madison Asset 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 159,006 shares
    Change vs previous 13F -164,400 shares

    0.39% of the 13F portfolio, value $34,599,706.

    13F-HR 0001954889-25-000019 filed by Madison Asset Management, LLC
    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/A 323,406 shares
    Change vs previous 13F +204,381 shares

    0.33% of the 13F portfolio, value $59,315,894.

    13F-HR 0001954889-25-000006 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Madison Asset Management, LLC: 161,703 shares
    • Madison Investment Advisors, LLC: 161,703 shares

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

  8. period ended2024-09-30
    13F 119,025 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $27,680,454.

    13F-HR 0001954889-24-000003 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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