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Tower Research Capital LLC (TRC): SPY position timeline

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

Tower Research Capital LLC (TRC) held 233,359 SPY 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 233,359 shares
    Change vs previous 13F +179,215 shares

    4.27% of the 13F portfolio, value $174,265,500.

    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 54,144 shares
    Change vs previous 13F +53,457 shares

    0.92% of the 13F portfolio, value $35,212,010.

    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 687 shares
    Change vs previous 13F -637,845 shares

    0.01% of the 13F portfolio, value $468,479.

    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 638,532 shares
    Change vs previous 13F +395,672 shares

    11.74% of the 13F portfolio, value $425,377,247.

    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 242,860 shares
    Change vs previous 13F +222,890 shares

    4.05% of the 13F portfolio, value $150,051,050.

    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 19,970 shares
    Change vs previous 13F -166,391 shares

    0.34% of the 13F portfolio, value $11,342,960.

    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 186,361 shares
    Change vs previous 13F -179,774 shares

    2.17% of the 13F portfolio, value $109,222,455.

    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 366,135 shares
    Change vs previous 13F not available

    5.56% of the 13F portfolio, value $210,073,618.

    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).