Triasima Portfolio Management inc.: STN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Triasima Portfolio Management inc. on STN, newest first. How the timeline and the estimate are built.
Triasima Portfolio Management inc. held 0 STN shares at 2026-03-31 per its 13F-HR filed 2026-04-24.
the latest 13F is the newest step
- period ended2026-03-3113F 0 sharesChange vs previous 13F -17,380 shares
13F-HR 0001938757-26-000005 filed by Triasima Portfolio Management inc.
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 ended2025-12-3113F 17,380 sharesChange vs previous 13F -19,919 shares
0.25% of the 13F portfolio, value $1,642,208.
13F-HR 0001938757-26-000002 filed by Triasima Portfolio Management inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 37,299 sharesChange vs previous 13F +2,980 shares
0.61% of the 13F portfolio, value $4,023,434.
13F-HR 0001938757-25-000016 filed by Triasima Portfolio Management inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 34,319 sharesChange vs previous 13F +34,319 shares
0.68% of the 13F portfolio, value $3,726,673.
13F-HR 0001938757-25-000009 filed by Triasima Portfolio Management inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 0 sharesChange vs previous 13F not available
13F-HR 0001938757-24-000012 filed by Triasima Portfolio Management inc.
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.