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Tower Research Capital LLC (TRC): ROCK position timeline

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

Tower Research Capital LLC (TRC) held 1,485 ROCK 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 1,485 shares
    Change vs previous 13F +48 shares

    <0.01% of the 13F portfolio, value $66,974.

    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 1,437 shares
    Change vs previous 13F -327 shares

    <0.01% of the 13F portfolio, value $57,293.

    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 1,764 shares
    Change vs previous 13F +69 shares

    <0.01% of the 13F portfolio, value $87,212.

    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 1,695 shares
    Change vs previous 13F -1,611 shares

    <0.01% of the 13F portfolio, value $106,446.

    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 3,306 shares
    Change vs previous 13F +2,962 shares

    0.01% of the 13F portfolio, value $195,054.

    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 344 shares
    Change vs previous 13F -3,229 shares

    <0.01% of the 13F portfolio, value $20,179.

    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 3,573 shares
    Change vs previous 13F -6,012 shares

    <0.01% of the 13F portfolio, value $210,450.

    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 9,585 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $670,279.

    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).