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Tower Research Capital LLC (TRC): GLSI position timeline

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

Tower Research Capital LLC (TRC) held 1,791 GLSI 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 1,791 shares
    Change vs previous 13F +371 shares

    <0.01% of the 13F portfolio, value $42,017.

    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 1,420 shares
    Change vs previous 13F +264 shares

    <0.01% of the 13F portfolio, value $34,108.

    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 1,156 shares
    Change vs previous 13F -121 shares

    <0.01% of the 13F portfolio, value $24,288.

    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 1,277 shares
    Change vs previous 13F -1,986 shares

    <0.01% of the 13F portfolio, value $12,706.

    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 3,263 shares
    Change vs previous 13F +2,256 shares

    <0.01% of the 13F portfolio, value $29,595.

    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 1,007 shares
    Change vs previous 13F -41 shares

    <0.01% of the 13F portfolio, value $9,607.

    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 1,048 shares
    Change vs previous 13F +415 shares

    <0.01% of the 13F portfolio, value $11,769.

    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 633 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $9,096.

    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).