Grandmaster Capital Management LLC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Grandmaster Capital Management LLC on BRK-B, newest first. How the timeline and the estimate are built.

Grandmaster Capital Management LLC held 0 BRK-B shares at 2013-09-30 per its 13F-HR filed 2013-11-12.

the latest 13F is the newest step

period ended2013-09-30
13F 0 shares
Change vs previous 13F -43,155 shares
13F-HR 0000950123-13-008859 filed by Grandmaster Capital Management LLC
Filed 2013-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 20:02:22 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2013-06-30
13F 43,155 shares
Change vs previous 13F not available
3.08% of the 13F portfolio, value $4,830,000.
13F-HR 0000950123-13-005839 filed by Grandmaster Capital Management LLC
Filed 2013-08-12 (acceptance time not in the bulk data set), ingested 2026-10-06 09:59:42 UTC
Acceptance time not in the bulk data set (spec §4.2).