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Disclosery

MARSHALL WACE, LLP: MDXG position timeline

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

MARSHALL WACE, LLP held 204,856 MDXG 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 204,856 shares
    Change vs previous 13F -1,656,290 shares

    <0.01% of the 13F portfolio, value $788,695.

    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 1,861,146 shares
    Change vs previous 13F +479,858 shares

    0.01% of the 13F portfolio, value $7,351,527.

    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 1,381,288 shares
    Change vs previous 13F +1,238,132 shares

    0.01% of the 13F portfolio, value $9,351,319.

    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 143,156 shares
    Change vs previous 13F -236,006 shares

    <0.01% of the 13F portfolio, value $999,229.

    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 379,162 shares
    Change vs previous 13F +379,162 shares

    <0.01% of the 13F portfolio, value $2,316,679.

    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 0 shares
    Change vs previous 13F -348,747 shares

    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).

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

  7. period ended2024-12-31
    13F 348,747 shares
    Change vs previous 13F +220 shares

    <0.01% of the 13F portfolio, value $3,354,946.

    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 348,527 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,059,795.

    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).