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Disclosery

Sienna Gestion: CMCSA position timeline

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

Sienna Gestion held 358,772 CMCSA 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 358,772 shares
    Change vs previous 13F +15,198 shares

    0.51% of the 13F portfolio, value $8,786,451.

    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 343,574 shares
    Change vs previous 13F 0 shares

    0.65% of the 13F portfolio, value $10,002,466.

    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 343,574 shares
    Change vs previous 13F 0 shares

    0.61% of the 13F portfolio, value $10,245,684.

    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 343,574 shares
    Change vs previous 13F 0 shares

    0.69% of the 13F portfolio, value $9,842,371.

    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 343,574 shares
    Change vs previous 13F +34,161 shares

    0.77% of the 13F portfolio, value $11,195,200.

    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 309,413 shares
    Change vs previous 13F -36,295 shares

    0.9% of the 13F portfolio, value $11,098,136.

    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 345,708 shares
    Change vs previous 13F 0 shares

    0.88% of the 13F portfolio, value $12,972,542.

    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 345,708 shares
    Change vs previous 13F not available

    0.96% of the 13F portfolio, value $14,405,293.

    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).