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Disclosery

MARSHALL WACE, LLP: EHC position timeline

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

MARSHALL WACE, LLP held 2,227 EHC 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 2,227 shares
    Change vs previous 13F -295,408 shares

    <0.01% of the 13F portfolio, value $225,106.

    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 297,635 shares
    Change vs previous 13F +282,706 shares

    0.03% of the 13F portfolio, value $28,790,233.

    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 14,929 shares
    Change vs previous 13F -71,291 shares

    <0.01% of the 13F portfolio, value $1,584,564.

    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 86,220 shares
    Change vs previous 13F -196,902 shares

    0.01% of the 13F portfolio, value $10,951,664.

    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 283,122 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $34,719,252.

    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).