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Disclosery

XTX Topco Ltd: GRBK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of XTX Topco Ltd on GRBK, newest first. How the timeline and the estimate are built.

XTX Topco Ltd held 29,785 GRBK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,785 shares
    Change vs previous 13F +9,898 shares

    0.03% of the 13F portfolio, value $2,383,991.

    13F-HR 0001828301-26-000005 filed by XTX Topco Ltd
    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 19,887 shares
    Change vs previous 13F -15,664 shares

    0.02% of the 13F portfolio, value $1,281,717.

    13F-HR 0001828301-26-000004 filed by XTX Topco Ltd
    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 35,551 shares
    Change vs previous 13F +35,551 shares

    0.06% of the 13F portfolio, value $2,227,626.

    13F-HR 0001828301-26-000001 filed by XTX Topco Ltd
    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 0 shares
    Change vs previous 13F -3,489 shares

    13F-HR 0001828301-25-000036 filed by XTX Topco Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 3,489 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $219,388.

    13F-HR 0001828301-25-000027 filed by XTX Topco Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).