RENAISSANCE TECHNOLOGIES LLC: AMSC position timeline

RENAISSANCE TECHNOLOGIES LLC held 0 AMSC shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

1. period ended2026-03-31

   13F 0 shares

   Change vs previous 13F -139,989 shares

   13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES LLC
   Filed 2026-05-14 (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.

2. period ended2025-12-31

   13F 139,989 shares

   Change vs previous 13F -184,000 shares

   0.01% of the 13F portfolio, value $4,028,883.

   13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES LLC
   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).

3. period ended2025-09-30

   13F 323,989 shares

   Change vs previous 13F +323,989 shares

   0.03% of the 13F portfolio, value $19,241,707.

   13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES 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).

4. period ended2024-12-31

   13F 0 shares

   Change vs previous 13F -158,389 shares

   13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES LLC
   Filed 2025-02-13 (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.

5. period ended2024-09-30

   13F 158,389 shares

   Change vs previous 13F not available

   0.01% of the 13F portfolio, value $3,737,980.

   13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
   Filed 2024-11-13 (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).