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Tower Research Capital LLC (TRC): GKOS position timeline

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

Tower Research Capital LLC (TRC) held 1,672 GKOS 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 1,672 shares
    Change vs previous 13F -2,331 shares

    0.01% of the 13F portfolio, value $233,678.

    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 4,003 shares
    Change vs previous 13F +1,809 shares

    0.01% of the 13F portfolio, value $430,963.

    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 2,194 shares
    Change vs previous 13F +424 shares

    0.01% of the 13F portfolio, value $247,724.

    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 1,770 shares
    Change vs previous 13F -4,034 shares

    <0.01% of the 13F portfolio, value $144,344.

    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 5,804 shares
    Change vs previous 13F +4,562 shares

    0.02% of the 13F portfolio, value $599,495.

    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 1,242 shares
    Change vs previous 13F -1,155 shares

    <0.01% of the 13F portfolio, value $122,237.

    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 2,397 shares
    Change vs previous 13F -298 shares

    0.01% of the 13F portfolio, value $359,406.

    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 2,695 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $351,105.

    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).