ACADIAN ASSET MANAGEMENT LLC: AMSC position timeline

ACADIAN ASSET MANAGEMENT LLC held 0 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 0 shares

   Change vs previous 13F -811 shares

   13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
   Filed 2026-08-13 (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).

   Exited: the 13F for this period no longer lists the position.

2. period ended2026-03-31

   13F 811 shares

   Change vs previous 13F -13,250 shares

   <0.01% of the 13F portfolio, value $27,000.

   13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
   Filed 2026-05-13 (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 14,061 shares

   Change vs previous 13F +12,466 shares

   <0.01% of the 13F portfolio, value $402,000.

   13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
   Filed 2026-02-10 (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).

4. period ended2025-09-30

   13F 1,595 shares

   Change vs previous 13F +1,595 shares

   <0.01% of the 13F portfolio, value $94,000.

   13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
   Filed 2025-11-13 (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 ended2024-12-31

   13F 0 shares

   Change vs previous 13F not available

   13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
   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).

   Exited: the 13F for this period no longer lists the position.