Graham Capital Management, L.P.: AMPX position timeline

Graham Capital Management, L.P. held 10,362 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 10,362 shares

   Change vs previous 13F -3,406 shares

   <0.01% of the 13F portfolio, value $143,617.

   13F-HR 0002048251-26-006561 filed by Graham Capital Management, L.P.
   Filed 2026-08-14 (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 13,768 shares

   Change vs previous 13F -35,828 shares

   0.01% of the 13F portfolio, value $232,128.

   13F-HR 0002048251-26-003779 filed by Graham Capital Management, L.P.
   Filed 2026-05-15 (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 49,596 shares

   Change vs previous 13F +1,551 shares

   0.01% of the 13F portfolio, value $391,312.

   13F-HR 0001140361-26-005576 filed by Graham Capital Management, L.P.
   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).

4. period ended2025-09-30

   13F 48,045 shares

   Change vs previous 13F -93,500 shares

   0.02% of the 13F portfolio, value $505,433.

   13F-HR 0002048251-25-002362 filed by Graham Capital Management, L.P.
   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 141,545 shares

   Change vs previous 13F not available

   0.02% of the 13F portfolio, value $595,904.

   13F-HR 0001041062-25-000163 filed by Graham Capital Management, L.P.
   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).