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Tower Research Capital LLC (TRC): OSUR position timeline

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

Tower Research Capital LLC (TRC) held 5,233 OSUR 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 5,233 shares
    Change vs previous 13F -6,266 shares

    <0.01% of the 13F portfolio, value $23,339.

    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 11,499 shares
    Change vs previous 13F +5,120 shares

    <0.01% of the 13F portfolio, value $34,497.

    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 6,379 shares
    Change vs previous 13F +1,491 shares

    <0.01% of the 13F portfolio, value $15,437.

    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 4,888 shares
    Change vs previous 13F -5,395 shares

    <0.01% of the 13F portfolio, value $15,690.

    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 10,283 shares
    Change vs previous 13F +4,245 shares

    <0.01% of the 13F portfolio, value $30,849.

    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 6,038 shares
    Change vs previous 13F -1,783 shares

    <0.01% of the 13F portfolio, value $20,348.

    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 7,821 shares
    Change vs previous 13F +5,234 shares

    <0.01% of the 13F portfolio, value $28,234.

    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 2,587 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $11,046.

    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).