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Tower Research Capital LLC (TRC): IRON position timeline

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

Tower Research Capital LLC (TRC) held 939 IRON 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 939 shares
    Change vs previous 13F -5,078 shares

    <0.01% of the 13F portfolio, value $68,678.

    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 6,017 shares
    Change vs previous 13F +5,241 shares

    0.01% of the 13F portfolio, value $384,727.

    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 776 shares
    Change vs previous 13F -329 shares

    <0.01% of the 13F portfolio, value $61,622.

    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 1,105 shares
    Change vs previous 13F -2,870 shares

    <0.01% of the 13F portfolio, value $73,018.

    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 3,975 shares
    Change vs previous 13F +3,152 shares

    0.01% of the 13F portfolio, value $210,516.

    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 823 shares
    Change vs previous 13F -2 shares

    <0.01% of the 13F portfolio, value $40,854.

    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 825 shares
    Change vs previous 13F +266 shares

    <0.01% of the 13F portfolio, value $52,305.

    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 559 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $27,469.

    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).