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Disclosery

Tower Research Capital LLC (TRC): OPK position timeline

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

Tower Research Capital LLC (TRC) held 24,719 OPK 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 24,719 shares
    Change vs previous 13F -103,994 shares

    <0.01% of the 13F portfolio, value $37,078.

    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 128,713 shares
    Change vs previous 13F +119,585 shares

    <0.01% of the 13F portfolio, value $146,733.

    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 9,128 shares
    Change vs previous 13F -12,415 shares

    <0.01% of the 13F portfolio, value $11,501.

    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 21,543 shares
    Change vs previous 13F -9,170 shares

    <0.01% of the 13F portfolio, value $33,392.

    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 30,713 shares
    Change vs previous 13F -11,737 shares

    <0.01% of the 13F portfolio, value $40,541.

    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 42,450 shares
    Change vs previous 13F +24,627 shares

    <0.01% of the 13F portfolio, value $70,043.

    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 17,823 shares
    Change vs previous 13F -141,878 shares

    <0.01% of the 13F portfolio, value $26,200.

    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 159,701 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $237,955.

    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).