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Disclosery

MARSHALL WACE, LLP: IDXX position timeline

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

MARSHALL WACE, LLP held 93,128 IDXX 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 93,128 shares
    Change vs previous 13F +43,833 shares

    0.04% of the 13F portfolio, value $49,026,303.

    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 49,295 shares
    Change vs previous 13F +48,068 shares

    0.03% of the 13F portfolio, value $27,698,368.

    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 1,227 shares
    Change vs previous 13F +727 shares

    <0.01% of the 13F portfolio, value $830,102.

    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 500 shares
    Change vs previous 13F -19,500 shares

    <0.01% of the 13F portfolio, value $319,445.

    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 20,000 shares
    Change vs previous 13F -90,549 shares

    0.01% of the 13F portfolio, value $10,726,800.

    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 110,549 shares
    Change vs previous 13F -96,565 shares

    0.06% of the 13F portfolio, value $46,425,052.

    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 207,114 shares
    Change vs previous 13F +178,841 shares

    0.11% of the 13F portfolio, value $85,629,215.

    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 28,273 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $14,284,085.

    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).