Quantum Portfolio Management LLC: AMZN position timeline

Quantum Portfolio Management LLC held 14,464 AMZN 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 14,464 shares

   Change vs previous 13F +173 shares

   1.24% of the 13F portfolio, value $3,447,350.

   13F-HR 0001420506-26-001701 filed by Quantum Portfolio Management LLC
   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/A 14,291 shares

   Change vs previous 13F -38 shares

   1.3% of the 13F portfolio, value $2,976,387.

   13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio Management LLC
   Filed 2026-05-01 (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 14,329 shares

   Change vs previous 13F -5,744 shares

   1.46% of the 13F portfolio, value $3,307,420.

   13F-HR 0001172661-26-000672 filed by Quantum Portfolio Management 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).

4. period ended2025-09-30

   13F 20,073 shares

   Change vs previous 13F +5,602 shares

   1.31% of the 13F portfolio, value $4,407,429.

   13F-HR 0001172661-25-004476 filed by Quantum Portfolio Management LLC
   Filed 2025-10-29 (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 14,471 shares

   Change vs previous 13F -228 shares

   1.51% of the 13F portfolio, value $3,174,793.

   13F-HR 0001172661-25-003208 filed by Quantum Portfolio Management LLC
   Filed 2025-08-13 (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 14,699 shares

   Change vs previous 13F +745 shares

   1.42% of the 13F portfolio, value $2,796,632.

   13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
   Filed 2025-05-14 (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 13,954 shares

   Change vs previous 13F +78 shares

   1.64% of the 13F portfolio, value $3,061,368.

   13F-HR 0001172661-25-000338 filed by Quantum Portfolio Management LLC
   Filed 2025-01-23 (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).

8. period ended2024-09-30

   13F 13,876 shares

   Change vs previous 13F not available

   1.4% of the 13F portfolio, value $2,585,515.

   13F-HR 0001172661-24-004357 filed by Quantum Portfolio Management LLC
   Filed 2024-10-24 (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).