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Tower Research Capital LLC (TRC): KOS position timeline

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

Tower Research Capital LLC (TRC) held 49,897 KOS 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 49,897 shares
    Change vs previous 13F -19,120 shares

    <0.01% of the 13F portfolio, value $105,283.

    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 69,017 shares
    Change vs previous 13F +42,322 shares

    <0.01% of the 13F portfolio, value $191,867.

    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 26,695 shares
    Change vs previous 13F +5,661 shares

    <0.01% of the 13F portfolio, value $24,223.

    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 21,034 shares
    Change vs previous 13F -29,589 shares

    <0.01% of the 13F portfolio, value $34,916.

    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 50,623 shares
    Change vs previous 13F +29,991 shares

    <0.01% of the 13F portfolio, value $87,072.

    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 20,632 shares
    Change vs previous 13F -60,122 shares

    <0.01% of the 13F portfolio, value $47,041.

    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 80,754 shares
    Change vs previous 13F +65,256 shares

    0.01% of the 13F portfolio, value $276,179.

    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 15,498 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $62,457.

    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).