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Disclosery

MARSHALL WACE, LLP: GRBK position timeline

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

MARSHALL WACE, LLP held 13,174 GRBK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 13,174 shares
    Change vs previous 13F +3,663 shares

    <0.01% of the 13F portfolio, value $1,054,447.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 9,511 shares
    Change vs previous 13F +1,316 shares

    <0.01% of the 13F portfolio, value $612,984.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 8,195 shares
    Change vs previous 13F -20,181 shares

    <0.01% of the 13F portfolio, value $513,499.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 28,376 shares
    Change vs previous 13F -25,117 shares

    <0.01% of the 13F portfolio, value $2,095,852.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 53,493 shares
    Change vs previous 13F -143,744 shares

    <0.01% of the 13F portfolio, value $3,363,639.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 197,237 shares
    Change vs previous 13F +180,186 shares

    0.02% of the 13F portfolio, value $11,500,891.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 17,051 shares
    Change vs previous 13F +6,981 shares

    <0.01% of the 13F portfolio, value $963,211.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 10,070 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $841,046.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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