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BRK-B - BERKSHIRE HATHAWAY INC DEL

This page shows which of the focused investors we track hold BRK-B and how their positions changed, so you can see how much conviction the group has in the stock.

In Q2 2026 it was held by 2 managers with an aggregate reported value of $54.67M, which is 1.37% of the combined portfolio.

As of Q2 2026, 2 tracked institutional managers held BRK-B (BERKSHIRE HATHAWAY INC DEL) with an aggregate reported value of $54.67M1.37% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q2 2026
Ticker
BRK-B

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Guy Spier - Aquamarine Capital33.89%-97,600$48.84M
2David Katz - Matrix Asset Advisors0.47%Add +0.4%11,645$5.83M
Loading holder history for BRK-B