Cumberland Partners Ltd: IBKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cumberland Partners Ltd on IBKR, newest first. How the timeline and the estimate are built.

Cumberland Partners Ltd held 26,880 IBKR shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

period ended2026-06-30
13F 26,880 shares
Change vs previous 13F +26,880 shares
0.15% of the 13F portfolio, value $2,339,635.
13F-HR 0001104659-26-091472 filed by Cumberland Partners Ltd
Filed 2026-08-06 (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).
period ended2025-12-31
13F 0 shares
Change vs previous 13F -22,500 shares
13F-HR 0001104659-26-011555 filed by Cumberland Partners Ltd
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).
Exited: the 13F for this period no longer lists the position.
period ended2025-09-30
13F 22,500 shares
Change vs previous 13F +22,500 shares
0.1% of the 13F portfolio, value $1,548,225.
13F-HR 0001104659-25-108486 filed by Cumberland Partners Ltd
Filed 2025-11-07 (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).
period ended2024-12-31
13F 0 shares
Change vs previous 13F -8,500 shares
13F-HR 0001104659-25-008295 filed by Cumberland Partners Ltd
Filed 2025-02-03 (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).
Exited: the 13F for this period no longer lists the position.
period ended2024-09-30
13F 8,500 shares
Change vs previous 13F not available
0.08% of the 13F portfolio, value $1,184,560.
13F-HR 0001104659-24-114380 filed by Cumberland Partners Ltd
Filed 2024-11-05 (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).