CX Institutional: BRK-B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CX Institutional on BRK-B, newest first. How the timeline and the estimate are built.
CX Institutional held 15,666 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-02.
the latest 13F is the newest step
- period ended2026-09-3013F 15,666 sharesChange vs previous 13F +615 shares
0.21% of the 13F portfolio, value $7,801,000.
13F-HR 0001737089-26-000006 filed by CX Institutional
Accepted , ingested - period ended2026-06-3013F 15,051 sharesChange vs previous 13F -1,658 shares
0.22% of the 13F portfolio, value $7,531,000.
13F-HR 0001737089-26-000004 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 16,709 sharesChange vs previous 13F -137 shares
0.24% of the 13F portfolio, value $8,007,000.
13F-HR 0001737089-26-000003 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 16,846 sharesChange vs previous 13F -3,934 shares
0.25% of the 13F portfolio, value $8,468,000.
13F-HR 0001737089-26-000001 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 20,780 sharesChange vs previous 13F +483 shares
0.32% of the 13F portfolio, value $10,447,000.
13F-HR 0001737089-25-000011 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F/A 20,297 sharesChange vs previous 13F +20,297 shares
0.34% of the 13F portfolio, value $9,860,000.
13F-HR/A 0001737089-25-000007 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 0 sharesChange vs previous 13F -33,541 shares
13F-HR 0001737089-25-000005 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F 33,541 sharesChange vs previous 13F not available
0.6% of the 13F portfolio, value $15,203,464.
13F-HR 0001737089-25-000001 filed by CX Institutional
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).