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Tower Research Capital LLC (TRC): SIBN position timeline

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

Tower Research Capital LLC (TRC) held 2,854 SIBN 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 2,854 shares
    Change vs previous 13F -289 shares

    <0.01% of the 13F portfolio, value $46,577.

    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 3,143 shares
    Change vs previous 13F +161 shares

    <0.01% of the 13F portfolio, value $39,696.

    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 2,982 shares
    Change vs previous 13F +1,759 shares

    <0.01% of the 13F portfolio, value $58,805.

    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 1,223 shares
    Change vs previous 13F -3,674 shares

    <0.01% of the 13F portfolio, value $18,003.

    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 4,897 shares
    Change vs previous 13F +3,258 shares

    <0.01% of the 13F portfolio, value $92,162.

    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 1,639 shares
    Change vs previous 13F -1,966 shares

    <0.01% of the 13F portfolio, value $22,995.

    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 3,605 shares
    Change vs previous 13F +89 shares

    <0.01% of the 13F portfolio, value $50,543.

    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 3,516 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $49,154.

    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).