FOX RUN MANAGEMENT, L.L.C.: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FOX RUN MANAGEMENT, L.L.C. on MAS, newest first. How the timeline and the estimate are built.

FOX RUN MANAGEMENT, L.L.C. held 0 MAS shares at 2025-09-30 per its 13F-HR filed 2025-11-12.

the latest 13F is the newest step

period ended2025-09-30
13F 0 shares
Change vs previous 13F -5,837 shares
13F-HR 0001420506-25-003071 filed by FOX RUN MANAGEMENT, L.L.C.
Filed 2025-11-12 (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).
Exited: the 13F for this period no longer lists the position.
period ended2025-06-30
13F 5,837 shares
Change vs previous 13F -5,285 shares
0.06% of the 13F portfolio, value $375,669.
13F-HR 0001420506-25-001732 filed by FOX RUN MANAGEMENT, L.L.C.
Filed 2025-08-06 (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 11,122 shares
Change vs previous 13F -1,223 shares
0.12% of the 13F portfolio, value $773,424.
13F-HR 0001420506-25-001008 filed by FOX RUN MANAGEMENT, L.L.C.
Filed 2025-05-13 (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 12,345 shares
Change vs previous 13F +4,907 shares
0.16% of the 13F portfolio, value $895,877.
13F-HR 0001420506-25-000264 filed by FOX RUN MANAGEMENT, L.L.C.
Filed 2025-02-11 (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 7,438 shares
Change vs previous 13F not available
0.14% of the 13F portfolio, value $624,346.
13F-HR 0001420506-24-002307 filed by FOX RUN MANAGEMENT, L.L.C.
Filed 2024-11-12 (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).