FOSTER DYKEMA CABOT & CO INC/MA: COST 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 COST, newest first. How the timeline and the estimate are built.

FOSTER DYKEMA CABOT & CO INC/MA held 46,424 COST 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 46,424 shares
Change vs previous 13F -231 shares
3.17% of the 13F portfolio, value $26,228,000.
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 46,655 shares
Change vs previous 13F -30 shares
2.96% of the 13F portfolio, value $25,118,000.
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 46,685 shares
Change vs previous 13F +883 shares
2.98% of the 13F portfolio, value $23,196,000.
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 45,802 shares
Change vs previous 13F -1,584 shares
2.93% of the 13F portfolio, value $20,909,000.
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 47,386 shares
Change vs previous 13F +91 shares
2.81% of the 13F portfolio, value $22,379,000.
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 47,295 shares
Change vs previous 13F -820 shares
2.8% of the 13F portfolio, value $22,667,000.
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 48,115 shares
Change vs previous 13F -122 shares
3.34% of the 13F portfolio, value $27,707,000.
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 48,237 shares
Change vs previous 13F not available
3.09% of the 13F portfolio, value $27,384,000.
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).