Skip to content
Disclosery

MARSHALL WACE, LLP: ECO position timeline

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

MARSHALL WACE, LLP held 565,642 ECO 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 565,642 shares
    Change vs previous 13F +73,624 shares

    0.02% of the 13F portfolio, value $28,349,977.

    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 492,018 shares
    Change vs previous 13F +169,595 shares

    0.03% of the 13F portfolio, value $24,891,192.

    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 322,423 shares
    Change vs previous 13F +322,423 shares

    0.01% of the 13F portfolio, value $10,910,794.

    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 ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    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).

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