S.A. Mason LLC: B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of S.A. Mason LLC on B, newest first. How the timeline and the estimate are built.
S.A. Mason LLC held 23,614 B shares at 2026-06-30 per its 13F-HR filed 2026-07-31.
the latest 13F is the newest step
- period ended2026-06-3013F 23,614 sharesChange vs previous 13F +500 shares
0.27% of the 13F portfolio, value $867,342.
13F-HR 0001800911-26-000003 filed by S.A. Mason LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 23,114 sharesChange vs previous 13F 0 shares
0.35% of the 13F portfolio, value $942,820.
13F-HR 0001800911-26-000002 filed by S.A. Mason LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 23,114 sharesChange vs previous 13F +300 shares
0.4% of the 13F portfolio, value $1,006,615.
13F-HR 0001800911-26-000001 filed by S.A. Mason LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 22,814 sharesChange vs previous 13F 0 shares
0.33% of the 13F portfolio, value $747,615.
13F-HR 0001800911-25-000005 filed by S.A. Mason LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 22,814 sharesChange vs previous 13F not available
0.23% of the 13F portfolio, value $474,987.
13F-HR 0001800911-25-000003 filed by S.A. Mason LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).