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Disclosery

Sienna Gestion: OMC position timeline

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

Sienna Gestion held 10,791 OMC 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 10,791 shares
    Change vs previous 13F +10,791 shares

    0.05% of the 13F portfolio, value $806,683.

    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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -5,427 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2024-12-31
    13F 5,427 shares
    Change vs previous 13F -130,217 shares

    0.03% of the 13F portfolio, value $466,871.

    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).

  4. period ended2024-09-30
    13F 135,644 shares
    Change vs previous 13F not available

    0.93% of the 13F portfolio, value $13,990,310.

    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).