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Tower Research Capital LLC (TRC): CALX position timeline

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

Tower Research Capital LLC (TRC) held 2,000 CALX 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 2,000 shares
    Change vs previous 13F -3,230 shares

    <0.01% of the 13F portfolio, value $74,640.

    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 5,230 shares
    Change vs previous 13F +3,453 shares

    0.01% of the 13F portfolio, value $256,217.

    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 1,777 shares
    Change vs previous 13F -955 shares

    <0.01% of the 13F portfolio, value $94,057.

    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 2,732 shares
    Change vs previous 13F -5,818 shares

    <0.01% of the 13F portfolio, value $167,663.

    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 8,550 shares
    Change vs previous 13F +7,707 shares

    0.01% of the 13F portfolio, value $454,774.

    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 843 shares
    Change vs previous 13F -769 shares

    <0.01% of the 13F portfolio, value $29,876.

    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 1,612 shares
    Change vs previous 13F -2,225 shares

    <0.01% of the 13F portfolio, value $56,211.

    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 3,837 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $148,837.

    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).