GREAT VALLEY ADVISOR GROUP, INC.: AMSC position timeline

GREAT VALLEY ADVISOR GROUP, INC. held 6,691 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 6,691 shares

   Change vs previous 13F -200 shares

   <0.01% of the 13F portfolio, value $277,758.

   13F-HR 0001769897-26-000003 filed by GREAT VALLEY ADVISOR GROUP, INC.
   Filed 2026-08-10 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

   Acceptance time not in the bulk data set (spec §4.2).

2. period ended2026-03-31

   13F 6,891 shares

   Change vs previous 13F +6,891 shares

   <0.01% of the 13F portfolio, value $233,330.

   13F-HR 0001769897-26-000002 filed by GREAT VALLEY ADVISOR GROUP, INC.
   Filed 2026-05-11 (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).

3. period ended2025-12-31

   13F 0 shares

   Change vs previous 13F -6,741 shares

   13F-HR 0001769897-26-000001 filed by GREAT VALLEY ADVISOR GROUP, INC.
   Filed 2026-02-12 (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.

4. period ended2025-09-30

   13F 6,741 shares

   Change vs previous 13F -494 shares

   0.01% of the 13F portfolio, value $400,462.

   13F-HR 0001769897-25-000002 filed by GREAT VALLEY ADVISOR GROUP, INC.
   Filed 2025-11-14 (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).

5. period ended2025-06-30

   13F 7,235 shares

   Change vs previous 13F not available

   0.01% of the 13F portfolio, value $265,471.

   13F-HR 0001085146-25-005125 filed by GREAT VALLEY ADVISOR GROUP, INC.
   Filed 2025-08-14 (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).