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Berkshire Hathaway Class B

4,734 hedge funds and large institutions have $454B invested in Berkshire Hathaway Class B in 2025 Q4 according to their latest regulatory filings, with 439 funds opening new positions, 1,785 increasing their positions, 1,914 reducing their positions, and 130 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 → $454B (+$15.1B)

7% less repeat investments, than reductions

Existing positions increased: 1,785 | Existing positions reduced: 1,914

4% less funds holding in top 10

Funds holding in top 10: 653629 (-24)

Holders
4,734
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
629
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