FOSTER DYKEMA CABOT & CO INC/MA: AMZN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FOSTER DYKEMA CABOT & CO INC/MA on AMZN, newest first. How the timeline and the estimate are built.

FOSTER DYKEMA CABOT & CO INC/MA held 259,949 AMZN shares at 2023-09-30 per its 13F-HR filed 2023-11-14.

the latest 13F is the newest step

period ended2023-09-30
13F 259,949 shares
Change vs previous 13F -3,646 shares
4% of the 13F portfolio, value $33,045,000.
13F-HR 0001037558-23-000006 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2023-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:30:40 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2023-06-30
13F 263,595 shares
Change vs previous 13F -4,022 shares
4.04% of the 13F portfolio, value $34,362,000.
13F-HR 0001037558-23-000005 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2023-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:31:37 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2023-03-31
13F 267,617 shares
Change vs previous 13F +5,843 shares
3.56% of the 13F portfolio, value $27,642,000.
13F-HR 0001037558-23-000004 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2023-05-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:32:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-12-31
13F 261,774 shares
Change vs previous 13F +93,520 shares
3.08% of the 13F portfolio, value $21,989,000.
13F-HR 0001037558-23-000001 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2023-02-01 (acceptance time not in the bulk data set), ingested 2026-10-07 18:33:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-09-30
13F/A 168,254 shares
Change vs previous 13F +394 shares
2.39% of the 13F portfolio, value $19,013,000.
13F-HR/A 0001037558-23-000002 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2023-02-03 (acceptance time not in the bulk data set), ingested 2026-10-07 18:33:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-06-30
13F 167,860 shares
Change vs previous 13F +159,016 shares
2.2% of the 13F portfolio, value $17,829,000.
13F-HR 0001037558-22-000005 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2022-07-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:03 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-03-31
13F 8,844 shares
Change vs previous 13F +119 shares
3.48% of the 13F portfolio, value $28,831,000.
13F-HR 0001037558-22-000003 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2022-05-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:57 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-12-31
13F 8,725 shares
Change vs previous 13F not available
3.28% of the 13F portfolio, value $29,092,000.
13F-HR 0001037558-22-000002 filed by FOSTER DYKEMA CABOT & CO INC/MA
Filed 2022-02-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:36:54 UTC
Acceptance time not in the bulk data set (spec §4.2).