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Tower Research Capital LLC (TRC): IBKR position timeline

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

Tower Research Capital LLC (TRC) held 17,777 IBKR 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 17,777 shares
    Change vs previous 13F -10,556 shares

    0.04% of the 13F portfolio, value $1,547,310.

    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 28,333 shares
    Change vs previous 13F +3,779 shares

    0.05% of the 13F portfolio, value $1,900,294.

    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 24,554 shares
    Change vs previous 13F +17,519 shares

    0.04% of the 13F portfolio, value $1,579,068.

    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 7,035 shares
    Change vs previous 13F -11,551 shares

    0.01% of the 13F portfolio, value $484,078.

    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 18,586 shares
    Change vs previous 13F +13,157 shares

    0.03% of the 13F portfolio, value $1,029,850.

    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 5,429 shares
    Change vs previous 13F -391 shares

    0.03% of the 13F portfolio, value $898,988.

    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 5,820 shares
    Change vs previous 13F +3,314 shares

    0.02% of the 13F portfolio, value $1,028,220.

    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 2,506 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $349,236.

    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).