SG Americas Securities, LLC: AMPH position timeline

SG Americas Securities, LLC held 31,709 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 31,709 shares

   Change vs previous 13F -1,097 shares

   <0.01% of the 13F portfolio, value $640,000.

   13F-HR 0001313360-26-000003 filed by SG Americas Securities, LLC
   Filed 2026-08-07 (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 32,806 shares

   Change vs previous 13F -60,709 shares

   <0.01% of the 13F portfolio, value $643,000.

   13F-HR 0001313360-26-000002 filed by SG Americas Securities, LLC
   Filed 2026-04-16 (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 93,515 shares

   Change vs previous 13F +93,515 shares

   <0.01% of the 13F portfolio, value $2,504,000.

   13F-HR 0001313360-26-000001 filed by SG Americas Securities, LLC
   Filed 2026-01-09 (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 0 shares

   Change vs previous 13F -24,448 shares

   13F-HR 0001313360-25-000008 filed by SG Americas Securities, LLC
   Filed 2025-10-23 (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).

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

5. period ended2025-06-30

   13F 24,448 shares

   Change vs previous 13F +24,448 shares

   <0.01% of the 13F portfolio, value $561,000.

   13F-HR 0001313360-25-000006 filed by SG Americas Securities, LLC
   Filed 2025-08-08 (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 ended2024-12-31

   13F 0 shares

   Change vs previous 13F -35,234 shares

   13F-HR 0001313360-25-000001 filed by SG Americas Securities, LLC
   Filed 2025-01-17 (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.

7. period ended2024-09-30

   13F 35,234 shares

   Change vs previous 13F not available

   0.01% of the 13F portfolio, value $1,710,000.

   13F-HR 0001313360-24-000010 filed by SG Americas Securities, LLC
   Filed 2024-10-03 (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).