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Tower Research Capital LLC (TRC): AMTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tower Research Capital LLC (TRC) on AMTM, newest first. How the timeline and the estimate are built.

Tower Research Capital LLC (TRC) held 291 AMTM shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 291 shares
    Change vs previous 13F -1,719 shares

    <0.01% of the 13F portfolio, value $6,015.

    13F-HR 0001533421-26-000008 filed by Tower Research Capital LLC (TRC)
    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 2,010 shares
    Change vs previous 13F +1,333 shares

    <0.01% of the 13F portfolio, value $52,421.

    13F-HR 0001533421-26-000006 filed by Tower Research Capital LLC (TRC)
    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 677 shares
    Change vs previous 13F -101 shares

    <0.01% of the 13F portfolio, value $19,633.

    13F-HR 0001533421-26-000004 filed by Tower Research Capital LLC (TRC)
    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 778 shares
    Change vs previous 13F -3,575 shares

    <0.01% of the 13F portfolio, value $18,633.

    13F-HR 0001533421-25-000019 filed by Tower Research Capital LLC (TRC)
    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 4,353 shares
    Change vs previous 13F +2,810 shares

    <0.01% of the 13F portfolio, value $102,774.

    13F-HR 0001533421-25-000013 filed by Tower Research Capital LLC (TRC)
    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 1,543 shares
    Change vs previous 13F +753 shares

    <0.01% of the 13F portfolio, value $28,083.

    13F-HR 0001533421-25-000007 filed by Tower Research Capital LLC (TRC)
    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 790 shares
    Change vs previous 13F -3,933 shares

    <0.01% of the 13F portfolio, value $16,613.

    13F-HR 0001533421-25-000001 filed by Tower Research Capital LLC (TRC)
    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 4,723 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $152,317.

    13F-HR 0001533421-24-000021 filed by Tower Research Capital LLC (TRC)
    Filed (acceptance time not in the bulk data set), ingested

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