Sienna Gestion: ACN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sienna Gestion on ACN, newest first. How the timeline and the estimate are built.
Sienna Gestion held 104,137 ACN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 104,137 sharesChange vs previous 13F +23,811 shares
0.77% of the 13F portfolio, value $13,135,046.
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 80,326 sharesChange vs previous 13F 0 shares
1.04% of the 13F portfolio, value $15,985,350.
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 80,326 sharesChange vs previous 13F +80,326 shares
1.28% of the 13F portfolio, value $21,580,119.
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 0 sharesChange vs previous 13F -69,345 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-06-3013F 69,345 sharesChange vs previous 13F +6,735 shares
1.3% of the 13F portfolio, value $18,923,068.
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 62,610 sharesChange vs previous 13F -6,614 shares
1.54% of the 13F portfolio, value $18,990,618.
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 69,224 sharesChange vs previous 13F +3,018 shares
1.64% of the 13F portfolio, value $24,348,783.
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 66,206 sharesChange vs previous 13F not available
1.56% of the 13F portfolio, value $23,345,888.
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).