Portfolio Design Labs, LLC: BRK-B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Portfolio Design Labs, LLC on BRK-B, newest first. How the timeline and the estimate are built.
Portfolio Design Labs, LLC held 1,403 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 1,403 sharesChange vs previous 13F -8,270 shares
0.12% of the 13F portfolio, value $702,048.
13F-HR 0002010278-26-000004 filed by Portfolio Design Labs, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 9,673 sharesChange vs previous 13F -1,831 shares
0.82% of the 13F portfolio, value $4,635,302.
13F-HR 0002010278-26-000003 filed by Portfolio Design Labs, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 11,504 sharesChange vs previous 13F +390 shares
0.95% of the 13F portfolio, value $5,782,486.
13F-HR 0002010278-26-000002 filed by Portfolio Design Labs, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 11,114 sharesChange vs previous 13F +11,114 shares
0.96% of the 13F portfolio, value $5,587,454.
13F-HR 0002010278-25-000007 filed by Portfolio Design Labs, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 0 sharesChange vs previous 13F not available
13F-HR 0002010278-24-000006 filed by Portfolio Design Labs, LLC
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.