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Disclosery

AVENIR CORP: AMTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AVENIR CORP on AMTM, newest first. How the timeline and the estimate are built.

AVENIR CORP held 811,726 AMTM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 811,726 shares
    Change vs previous 13F -29,373 shares

    2.04% of the 13F portfolio, value $16,778,376.

    13F-HR 0001033475-26-000006 filed by AVENIR CORP
    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 841,099 shares
    Change vs previous 13F -9,845 shares

    2.67% of the 13F portfolio, value $21,935,862.

    13F-HR 0001033475-26-000005 filed by AVENIR CORP
    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 850,944 shares
    Change vs previous 13F -11,509 shares

    2.68% of the 13F portfolio, value $24,677,376.

    13F-HR 0001033475-26-000002 filed by AVENIR CORP
    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 862,453 shares
    Change vs previous 13F -32,899 shares

    2.15% of the 13F portfolio, value $20,655,749.

    13F-HR 0001033475-25-000009 filed by AVENIR CORP
    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 895,352 shares
    Change vs previous 13F -8,810 shares

    2.17% of the 13F portfolio, value $21,139,261.

    13F-HR 0001033475-25-000007 filed by AVENIR CORP
    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 904,162 shares
    Change vs previous 13F +710,692 shares

    1.73% of the 13F portfolio, value $16,455,748.

    13F-HR 0001033475-25-000005 filed by AVENIR CORP
    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 193,470 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $4,068,674.

    13F-HR 0001033475-25-000003 filed by AVENIR CORP
    Filed (acceptance time not in the bulk data set), ingested

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