Horizon Investment Services, LLC: ADT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Horizon Investment Services, LLC on ADT, newest first. How the timeline and the estimate are built.

Horizon Investment Services, LLC held 0 ADT shares at 2025-12-31 per its 13F-HR filed 2026-02-13.

the latest 13F is the newest step

period ended2025-12-31
13F 0 shares
Change vs previous 13F -173,155 shares
13F-HR 0001426940-26-000002 filed by Horizon Investment Services, LLC
Filed 2026-02-13 (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).
Exited: the 13F for this period no longer lists the position.
period ended2025-09-30
13F 173,155 shares
Change vs previous 13F not available
0.57% of the 13F portfolio, value $1,508,183.
13F-HR 0001426940-25-000004 filed by Horizon Investment Services, LLC
Filed 2025-11-05 (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).