PRINCIPAL FINANCIAL GROUP INC: AMSC position timeline

PRINCIPAL FINANCIAL GROUP INC held 8,975 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 8,975 shares

   Change vs previous 13F -1,393 shares

   <0.01% of the 13F portfolio, value $372,552.

   13F-HR 0000012600-26-000012 filed by PRINCIPAL SECURITIES, INC.
   Filed 2026-08-04 (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 10,368 shares

   Change vs previous 13F -57,218 shares

   0.01% of the 13F portfolio, value $350,957.

   13F-HR 0000012600-26-000009 filed by PRINCIPAL SECURITIES, INC.
   Filed 2026-05-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

   • PRINCIPAL SECURITIES, INC.: 10,368 shares
   • PRINCIPAL FINANCIAL GROUP INC: 0 shares

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

3. period ended2025-12-31

   13F 67,586 shares

   Change vs previous 13F +20,235 shares

   <0.01% of the 13F portfolio, value $1,945,125.

   13F-HR 0001126328-26-000011 filed by PRINCIPAL FINANCIAL GROUP INC
   Filed 2026-02-02 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

   • PRINCIPAL SECURITIES, INC.: 8,636 shares
   • PRINCIPAL FINANCIAL GROUP INC: 58,950 shares

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

4. period ended2025-09-30

   13F 47,351 shares

   Change vs previous 13F +40,266 shares

   <0.01% of the 13F portfolio, value $2,812,177.

   13F-HR 0001126328-25-000057 filed by PRINCIPAL FINANCIAL GROUP INC
   Filed 2025-11-04 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   • PRINCIPAL SECURITIES, INC.: 7,948 shares
   • PRINCIPAL FINANCIAL GROUP INC: 39,403 shares

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

5. period ended2025-06-30

   13F 7,085 shares

   Change vs previous 13F +6,560 shares

   <0.01% of the 13F portfolio, value $259,949.

   13F-HR 0000012600-25-000009 filed by PRINCIPAL SECURITIES, INC.
   Filed 2025-08-11 (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).

6. period ended2025-03-31

   13F 525 shares

   Change vs previous 13F 0 shares

   <0.01% of the 13F portfolio, value $12,931.

   13F-HR 0000012600-25-000006 filed by PRINCIPAL SECURITIES, INC.
   Filed 2025-04-30 (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).

7. period ended2024-12-31

   13F 525 shares

   Change vs previous 13F not available

   <0.01% of the 13F portfolio, value $12,931.

   13F-HR 0000012600-25-000001 filed by PRINCIPAL SECURITIES, INC.
   Filed 2025-01-30 (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).