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
- period ended2026-06-3013F 121,221 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 116,221 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 116,221 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 133,821 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 319,121 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 289,121 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 316,921 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 316,921 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).