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Disclosery

MARSHALL WACE, LLP: OPBK position timeline

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

MARSHALL WACE, LLP held 86,533 OPBK 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 86,533 shares
    Change vs previous 13F -36,000 shares

    <0.01% of the 13F portfolio, value $1,297,131.

    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 122,533 shares
    Change vs previous 13F +13,454 shares

    <0.01% of the 13F portfolio, value $1,629,690.

    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 109,079 shares
    Change vs previous 13F -10,986 shares

    <0.01% of the 13F portfolio, value $1,540,195.

    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 120,065 shares
    Change vs previous 13F -20,526 shares

    <0.01% of the 13F portfolio, value $1,671,304.

    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 140,591 shares
    Change vs previous 13F +127,330 shares

    <0.01% of the 13F portfolio, value $1,826,277.

    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 13,261 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $159,397.

    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).