TAGStone Capital, Inc.: BRK-B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TAGStone Capital, Inc. on BRK-B, newest first. How the timeline and the estimate are built.
TAGStone Capital, Inc. held 23,836 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 23,836 sharesChange vs previous 13F +64 shares
3.79% of the 13F portfolio, value $11,927,174.
13F-HR 0001903044-26-000003 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 23,772 sharesChange vs previous 13F +1,426 shares
4.03% of the 13F portfolio, value $11,391,426.
13F-HR 0001903044-26-000002 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 22,346 sharesChange vs previous 13F -188 shares
4.18% of the 13F portfolio, value $11,232,095.
13F-HR 0001903044-26-000001 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 22,534 sharesChange vs previous 13F -7 shares
4.49% of the 13F portfolio, value $11,328,621.
13F-HR 0001903044-25-000007 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 22,541 sharesChange vs previous 13F -4 shares
4.33% of the 13F portfolio, value $10,490,468.
13F-HR 0001903044-25-000006 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 22,545 sharesChange vs previous 13F +386 shares
5.91% of the 13F portfolio, value $12,007,000.
13F-HR 0001903044-25-000002 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 22,159 sharesChange vs previous 13F +22 shares
4.94% of the 13F portfolio, value $10,044,000.
13F-HR 0001903044-25-000001 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 22,137 sharesChange vs previous 13F not available
5.21% of the 13F portfolio, value $10,189,000.
13F-HR 0001903044-24-000004 filed by TAGStone Capital, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).