Mason & Associates Inc: BX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mason & Associates Inc on BX, newest first. How the timeline and the estimate are built.

Mason & Associates Inc held 0 BX shares at 2026-03-31 per its 13F-HR filed 2026-04-30.

the latest 13F is the newest step

period ended2026-03-31
13F 0 shares
Change vs previous 13F -2,548 shares
13F-HR 0001917686-26-000002 filed by Mason & Associates Inc
Filed 2026-04-30 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2025-12-31
13F 2,548 shares
Change vs previous 13F +962 shares
0.07% of the 13F portfolio, value $392,749.
13F-HR 0001917686-26-000001 filed by Mason & Associates Inc
Filed 2026-02-05 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 1,586 shares
Change vs previous 13F -16 shares
0.05% of the 13F portfolio, value $270,968.
13F-HR 0001917686-25-000007 filed by Mason & Associates Inc
Filed 2025-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 1,602 shares
Change vs previous 13F -60 shares
0.06% of the 13F portfolio, value $239,627.
13F-HR 0001917686-25-000005 filed by Mason & Associates Inc
Filed 2025-07-31 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 1,662 shares
Change vs previous 13F -52 shares
0.06% of the 13F portfolio, value $232,314.
13F-HR 0001917686-25-000002 filed by Mason & Associates Inc
Filed 2025-04-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 1,714 shares
Change vs previous 13F 0 shares
0.07% of the 13F portfolio, value $295,528.
13F-HR 0001917686-25-000001 filed by Mason & Associates Inc
Filed 2025-01-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 1,714 shares
Change vs previous 13F not available
0.07% of the 13F portfolio, value $262,465.
13F-HR 0001917686-24-000005 filed by Mason & Associates Inc
Filed 2024-10-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
Acceptance time not in the bulk data set (spec §4.2).