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Disclosery

MONTRUSCO BOLTON INVESTMENTS INC.: IDXX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MONTRUSCO BOLTON INVESTMENTS INC. on IDXX, newest first. How the timeline and the estimate are built.

MONTRUSCO BOLTON INVESTMENTS INC. held 317,110 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 317,110 shares
    Change vs previous 13F -55,678 shares

    2.87% of the 13F portfolio, value $165,591,671.

    13F-HR 0001475940-26-000009 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    Accepted , ingested

  2. period ended2026-06-30
    13F 372,788 shares
    Change vs previous 13F +30,668 shares

    3.04% of the 13F portfolio, value $196,250,515.

    13F-HR 0001475940-26-000006 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    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 342,120 shares
    Change vs previous 13F +165,188 shares

    2.83% of the 13F portfolio, value $186,706,716.

    13F-HR 0001475940-26-000003 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    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 176,932 shares
    Change vs previous 13F -55,350 shares

    1.46% of the 13F portfolio, value $117,091,471.

    13F-HR 0001475940-26-000001 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    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 232,282 shares
    Change vs previous 13F -197,127 shares

    1.69% of the 13F portfolio, value $145,555,366.

    13F-HR 0001475940-25-000002 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    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 429,409 shares
    Change vs previous 13F +143,641 shares

    2.49% of the 13F portfolio, value $224,152,563.

    13F-HR 0001085146-25-004174 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    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 285,768 shares
    Change vs previous 13F not available

    1.58% of the 13F portfolio, value $120,008,271.

    13F-HR 0001085146-25-002552 filed by MONTRUSCO BOLTON INVESTMENTS INC.
    Filed (acceptance time not in the bulk data set), ingested

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