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Tower Research Capital LLC (TRC): ATEC position timeline

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

Tower Research Capital LLC (TRC) held 8,473 ATEC 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 8,473 shares
    Change vs previous 13F -2,878 shares

    <0.01% of the 13F portfolio, value $73,291.

    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 11,351 shares
    Change vs previous 13F +469 shares

    <0.01% of the 13F portfolio, value $123,499.

    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 10,882 shares
    Change vs previous 13F +5,432 shares

    0.01% of the 13F portfolio, value $228,957.

    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 5,450 shares
    Change vs previous 13F -9,365 shares

    <0.01% of the 13F portfolio, value $79,243.

    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 14,815 shares
    Change vs previous 13F +12,487 shares

    <0.01% of the 13F portfolio, value $164,447.

    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 2,328 shares
    Change vs previous 13F -15,620 shares

    <0.01% of the 13F portfolio, value $23,606.

    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 17,948 shares
    Change vs previous 13F +8,929 shares

    <0.01% of the 13F portfolio, value $164,762.

    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 9,019 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $50,146.

    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).