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Tower Research Capital LLC (TRC): SIGA position timeline

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

Tower Research Capital LLC (TRC) held 2,837 SIGA 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 2,837 shares
    Change vs previous 13F +393 shares

    <0.01% of the 13F portfolio, value $10,327.

    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 2,444 shares
    Change vs previous 13F -3,060 shares

    <0.01% of the 13F portfolio, value $13,075.

    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 5,504 shares
    Change vs previous 13F +2,619 shares

    <0.01% of the 13F portfolio, value $33,629.

    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 2,885 shares
    Change vs previous 13F -3,932 shares

    <0.01% of the 13F portfolio, value $26,398.

    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 6,817 shares
    Change vs previous 13F +3,669 shares

    <0.01% of the 13F portfolio, value $44,447.

    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 3,148 shares
    Change vs previous 13F +2,545 shares

    <0.01% of the 13F portfolio, value $17,251.

    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 603 shares
    Change vs previous 13F -5,136 shares

    <0.01% of the 13F portfolio, value $3,624.

    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 5,739 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $38,738.

    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).