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Disclosery

MARSHALL WACE, LLP: OEC position timeline

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

MARSHALL WACE, LLP held 56,762 OEC 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 56,762 shares
    Change vs previous 13F -237,401 shares

    <0.01% of the 13F portfolio, value $376,332.

    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 294,163 shares
    Change vs previous 13F +224,639 shares

    <0.01% of the 13F portfolio, value $1,912,060.

    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 69,524 shares
    Change vs previous 13F +22,206 shares

    <0.01% of the 13F portfolio, value $367,087.

    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 47,318 shares
    Change vs previous 13F +900 shares

    <0.01% of the 13F portfolio, value $358,670.

    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 46,418 shares
    Change vs previous 13F +15,994 shares

    <0.01% of the 13F portfolio, value $486,924.

    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 30,424 shares
    Change vs previous 13F +18,196 shares

    <0.01% of the 13F portfolio, value $393,382.

    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 12,228 shares
    Change vs previous 13F -73,313 shares

    <0.01% of the 13F portfolio, value $193,080.

    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 85,541 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,523,484.

    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).