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Sienna Gestion: CM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sienna Gestion on CM, newest first. How the timeline and the estimate are built.

Sienna Gestion held 121,221 CM 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 121,221 shares
    Change vs previous 13F +5,000 shares

    0.82% of the 13F portfolio, value $13,919,945.

    13F-HR 0000945621-26-001042 filed by Sienna Gestion
    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 116,221 shares
    Change vs previous 13F 0 shares

    0.7% of the 13F portfolio, value $10,754,463.

    13F-HR 0000945621-26-000712 filed by Sienna Gestion
    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 116,221 shares
    Change vs previous 13F -17,600 shares

    0.63% of the 13F portfolio, value $10,591,089.

    13F-HR 0000945621-26-000314 filed by Sienna Gestion
    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 133,821 shares
    Change vs previous 13F -185,300 shares

    0.68% of the 13F portfolio, value $9,751,873.

    13F-HR 0000945621-25-001073 filed by Sienna Gestion
    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 319,121 shares
    Change vs previous 13F +30,000 shares

    1.42% of the 13F portfolio, value $20,640,711.

    13F-HR 0000945621-25-000651 filed by Sienna Gestion
    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 289,121 shares
    Change vs previous 13F -27,800 shares

    1.28% of the 13F portfolio, value $15,806,626.

    13F-HR 0000945621-25-000460 filed by Sienna Gestion
    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 316,921 shares
    Change vs previous 13F 0 shares

    1.35% of the 13F portfolio, value $20,037,939.

    13F-HR 0000945621-25-000148 filed by Sienna Gestion
    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 316,921 shares
    Change vs previous 13F not available

    1.29% of the 13F portfolio, value $19,414,358.

    13F-HR 0000945621-24-000939 filed by Sienna Gestion
    Filed (acceptance time not in the bulk data set), ingested

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