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Disclosery

Seilern Investment Management Ltd: IDXX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Seilern Investment Management Ltd on IDXX, newest first. How the timeline and the estimate are built.

Seilern Investment Management Ltd held 96,546 IDXX shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 96,546 shares
    Change vs previous 13F -1,014 shares

    6.54% of the 13F portfolio, value $50,415,356.

    13F-HR 0001817797-26-000008 filed by Seilern Investment Management Ltd
    Accepted , ingested

  2. period ended2026-06-30
    13F 97,560 shares
    Change vs previous 13F +16,729 shares

    6.47% of the 13F portfolio, value $51,359,486.

    13F-HR 0001817797-26-000004 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2026-03-31
    13F 80,831 shares
    Change vs previous 13F -19,959 shares

    5.42% of the 13F portfolio, value $45,418,131.

    13F-HR 0001817797-26-000003 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-12-31
    13F 100,790 shares
    Change vs previous 13F -40,486 shares

    5.29% of the 13F portfolio, value $68,187,459.

    13F-HR 0001817797-26-000001 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-09-30
    13F 141,276 shares
    Change vs previous 13F -70,900 shares

    6.52% of the 13F portfolio, value $90,259,824.

    13F-HR 0001817797-25-000011 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-06-30
    13F 212,176 shares
    Change vs previous 13F -53,773 shares

    7.51% of the 13F portfolio, value $113,798,476.

    13F-HR 0001817797-25-000007 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2025-03-31
    13F 265,949 shares
    Change vs previous 13F -7,618 shares

    7.3% of the 13F portfolio, value $111,685,283.

    13F-HR 0001817797-25-000006 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-12-31
    13F 273,567 shares
    Change vs previous 13F not available

    6.44% of the 13F portfolio, value $113,103,540.

    13F-HR 0001817797-25-000003 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).