Skip to content
Disclosery

Tower Research Capital LLC (TRC): AMSC position timeline

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

Tower Research Capital LLC (TRC) held 2,338 AMSC 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 2,338 shares
    Change vs previous 13F -2,337 shares

    <0.01% of the 13F portfolio, value $97,050.

    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 4,675 shares
    Change vs previous 13F +1,784 shares

    <0.01% of the 13F portfolio, value $158,249.

    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 2,891 shares
    Change vs previous 13F +1,269 shares

    <0.01% of the 13F portfolio, value $83,203.

    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 1,622 shares
    Change vs previous 13F -4,140 shares

    <0.01% of the 13F portfolio, value $96,330.

    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 5,762 shares
    Change vs previous 13F +4,337 shares

    0.01% of the 13F portfolio, value $211,408.

    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 1,425 shares
    Change vs previous 13F -2,614 shares

    <0.01% of the 13F portfolio, value $25,849.

    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 4,039 shares
    Change vs previous 13F -6,687 shares

    <0.01% of the 13F portfolio, value $99,481.

    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 10,726 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $253,134.

    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).