Great Diamond Partners, LLC: AMP position timeline

Great Diamond Partners, LLC held 4,172 AMP 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 4,172 shares

   Change vs previous 13F -25 shares

   0.34% of the 13F portfolio, value $2,054,084.

   13F-HR 0001172661-26-004501 filed by Great Diamond Partners, LLC
   Accepted 2026-10-13 17:10:13 UTC, ingested 2026-10-13 17:11:13 UTC

2. period ended2026-06-30

   13F 4,197 shares

   Change vs previous 13F -47 shares

   0.33% of the 13F portfolio, value $1,925,416.

   13F-HR 0001172661-26-002658 filed by Great Diamond Partners, LLC
   Filed 2026-07-17 (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 4,244 shares

   Change vs previous 13F -83 shares

   0.36% of the 13F portfolio, value $1,886,034.

   13F-HR 0001172661-26-001739 filed by Great Diamond Partners, LLC
   Filed 2026-05-12 (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).

4. period ended2025-12-31

   13F 4,327 shares

   Change vs previous 13F -2,709 shares

   0.41% of the 13F portfolio, value $2,121,701.

   13F-HR 0001172661-26-000514 filed by Great Diamond Partners, LLC
   Filed 2026-02-06 (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 7,036 shares

   Change vs previous 13F +228 shares

   0.67% of the 13F portfolio, value $3,456,435.

   13F-HR 0001172661-25-004336 filed by Great Diamond Partners, LLC
   Filed 2025-10-20 (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 6,808 shares

   Change vs previous 13F +102 shares

   0.77% of the 13F portfolio, value $3,633,634.

   13F-HR 0001172661-25-003158 filed by Great Diamond Partners, 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).

7. period ended2025-03-31

   13F 6,706 shares

   Change vs previous 13F -256 shares

   0.89% of the 13F portfolio, value $3,246,442.

   13F-HR 0001172661-25-001768 filed by Great Diamond Partners, LLC
   Filed 2025-05-13 (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 6,962 shares

   Change vs previous 13F not available

   0.96% of the 13F portfolio, value $3,706,778.

   13F-HR 0001172661-25-000333 filed by Great Diamond Partners, 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).