Atreides Management, LP: AMSC position timeline

Atreides Management, LP held 0 AMSC shares at 2026-03-31 per its 13F-HR filed 2026-05-18.

the latest 13F is the newest step

1. period ended2026-03-31

   13F 0 shares

   Change vs previous 13F -1,044,193 shares

   13F-HR 0001777813-26-000006 filed by Atreides Management, LP
   Filed 2026-05-18 (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 1,044,193 shares

   Change vs previous 13F +272,698 shares

   0.64% of the 13F portfolio, value $30,051,875.

   13F-HR 0001777813-26-000003 filed by Atreides Management, LP
   Filed 2026-02-17 (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 771,495 shares

   Change vs previous 13F -332,963 shares

   1.19% of the 13F portfolio, value $45,819,088.

   13F-HR 0001777813-25-000008 filed by Atreides Management, LP
   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).

4. period ended2025-06-30

   13F 1,104,458 shares

   Change vs previous 13F +280,418 shares

   1.12% of the 13F portfolio, value $40,522,564.

   13F-HR 0001768757-25-000010 filed by Atreides Management, LP
   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).

5. period ended2025-03-31

   13F 824,040 shares

   Change vs previous 13F not available

   0.54% of the 13F portfolio, value $14,948,086.

   13F-HR 0001777813-25-000005 filed by Atreides Management, LP
   Filed 2025-05-15 (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).