GATEWAY INVESTMENT ADVISERS LLC: AMH position timeline

GATEWAY INVESTMENT ADVISERS LLC held 18,413 AMH shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

1. period ended2026-09-30

   13F 18,413 shares

   Change vs previous 13F +8,162 shares

   0.01% of the 13F portfolio, value $559,563.

   13F-HR 0001114618-26-000006 filed by GATEWAY INVESTMENT ADVISERS LLC
   Accepted 2026-10-13 14:05:22 UTC, ingested 2026-10-13 14:06:13 UTC

2. period ended2026-06-30

   13F 10,251 shares

   Change vs previous 13F +10,251 shares

   <0.01% of the 13F portfolio, value $343,622.

   13F-HR 0001114618-26-000003 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2026-07-20 (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).

3. period ended2026-03-31

   13F 0 shares

   Change vs previous 13F -81,370 shares

   13F-HR 0001114618-26-000002 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2026-04-13 (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.

4. period ended2025-12-31

   13F 81,370 shares

   Change vs previous 13F -12,348 shares

   0.02% of the 13F portfolio, value $2,611,985.

   13F-HR 0001114618-26-000001 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2026-02-03 (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).

5. period ended2025-09-30

   13F 93,718 shares

   Change vs previous 13F -130,507 shares

   0.03% of the 13F portfolio, value $3,116,132.

   13F-HR 0001114618-25-000004 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2025-10-21 (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).

6. period ended2025-06-30

   13F 224,225 shares

   Change vs previous 13F -1,465 shares

   0.09% of the 13F portfolio, value $8,087,805.

   13F-HR 0001085146-25-003612 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2025-07-09 (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).

7. period ended2025-03-31

   13F 225,690 shares

   Change vs previous 13F -16,405 shares

   0.1% of the 13F portfolio, value $8,533,349.

   13F-HR 0001085146-25-002069 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2025-04-11 (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).

8. period ended2024-12-31

   13F 242,095 shares

   Change vs previous 13F not available

   0.1% of the 13F portfolio, value $9,059,205.

   13F-HR 0001085146-25-000192 filed by GATEWAY INVESTMENT ADVISERS LLC
   Filed 2025-01-15 (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).