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Berkshire Hathaway Class B

4,748 hedge funds and large institutions have $455B invested in Berkshire Hathaway Class B in 2025 Q4 according to their latest regulatory filings, with 444 funds opening new positions, 1,788 increasing their positions, 1,917 reducing their positions, and 131 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

more ownership

Funds ownership:

3% more capital invested

Capital invested by funds: $439B → $455B (+$15.2B)

7% less repeat investments, than reductions

Existing positions increased: 1,788 | Existing positions reduced: 1,917

3% less funds holding in top 10

Funds holding in top 10: 653631 (-22)

Holders
4,748
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
631
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.2B
Puts
$8.24B
Net Calls
Net Calls Change

Top Buyers

1 +$3.27B
2 +$2.43B
3 +$1.86B
4
Vanguard Group
Vanguard Group
Pennsylvania
+$1.38B
5
GQG Partners
GQG Partners
Florida
+$994M