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Berkshire Hathaway Class B
BRK.B

4,582 hedge funds and large institutions have $440B invested in Berkshire Hathaway Class B in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,871 increasing their positions, 1,834 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

53% more first-time investments, than exits

New positions opened: 191 | Existing positions closed: 125

36% more call options, than puts

Call options by funds: $11.2B | Put options by funds: $8.25B

3% more capital invested

Capital invested by funds: $426B → $440B (+$13.9B)

2% more repeat investments, than reductions

Existing positions increased: 1,871 | Existing positions reduced: 1,834

0% less funds holding

Funds holding: 4,594 → 4,582 (-12)

1.99% less ownership

Funds ownership: 65.49% → 63.5% (-2%)

9% less funds holding in top 10

Funds holding in top 10: 722 → 658 (-64)

Holders
4,582
Holders Change
-12
Holders Change %
-0.26%
% of All Funds
60.04%
Holding in Top 10
658
Holding in Top 10 Change
-64
Holding in Top 10 Change %
-8.86%
% of All Funds
8.62%
New
191
Increased
1,871
Reduced
1,834
Closed
125
Calls
$11.2B
Puts
$8.25B
Net Calls
+$2.98B
Net Calls Change
+$667M

Top Buyers

Rank Fund Capital Flow
1
HHII
H&H International Investment
California
+$877M
2
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$845M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$585M
4
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
+$578M
5
BlackRock
BlackRock
New York
+$531M

Top Sellers

Rank Fund Capital Flow
1
Gates Foundation Trust
Gates Foundation Trust
Washington
-$1.14B
2
JP Morgan Chase
JP Morgan Chase
New York
-$570M
3
UBS AM
UBS AM
Illinois
-$455M
4
Goldman Sachs
Goldman Sachs
New York
-$355M
5
California Public Employees Retirement System
California Public Employees Retirement System
California
-$306M
Name Holding Trade Value Shares
Change 		Change in
Stake
HCG
4651
Haven Capital Group
California
– -$697K -1,435 Closed
MPW
4652
MASECO Private Wealth
– -$639K -1,318 Closed
PCM
4653
Prelude Capital Management
New York
– -$638K -1,314 Closed
UFF
4654
USA Financial Formulas
Michigan
– -$606K -1,247 Closed
RC
4655
RBF Capital
California
– -$601K -1,241 Closed
1C
4656
111 Capital
France
– -$582K -1,198 Closed
GLAM
4657
Gardner Lewis Asset Management
Pennsylvania
– -$573K -1,180 Closed
VT
4658
Volterra Technologies
New York
– -$572K -1,180 Closed
CI
4659
Corient IA
Florida
– -$568K -1,169 Closed
LCM
4660
Laurion Capital Management
New York
– -$544K -1,120 Closed
T
4661
Transce3nd
Texas
– -$542K -1,115 Closed
ERSOT
4662
Employees Retirement System of Texas
Texas
– -$494K -1,016 Closed
PSFG
4663
Park Square Financial Group
Georgia
– -$489K -1,007 Closed
ORAM
4664
One River Asset Management
Connecticut
– -$477K -985 Closed
MF
4665
Magnetar Financial
Illinois
– -$471K -970 Closed
GPWM
4666
Grant Private Wealth Management
California
– -$456K -938 Closed
LIA
4667
Limestone Investment Advisors
New York
– -$452K -930 Closed
SCP
4668
Sender Company & Partners
New York
– -$421K -867 Closed
ODA
4669
One Degree Advisors
California
– -$414K -854 Closed
FWM
4670
FLP Wealth Management
Arkansas
– -$386K -795 Closed
SC
4671
Soundwatch Capital
Connecticut
– -$358K -766 Closed
MTC
4672
Matrix Trust Company
Colorado
– -$339K -698 Closed
TBC
4673
Ted Buchan & Co
California
– -$322K -663 Closed
SH
4674
SLT Holdings
Arizona
– -$316K -651 Closed
CC
4675
Centiva Capital
New York
– -$290K -598 Closed
185 186
187
188 189

BRK.B Hedge Fund Activity: Q3 2025 in Review

4,582 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in Berkshire Hathaway Class B (BRK.B) for Q3 2025, worth a combined $440B — up 3.3% from $426B a quarter earlier.

Buyers outnumbered sellers: 191 funds opened new BRK.B positions and 125 closed out — a net gain of 66 holders — while 1,871 added to existing stakes and 1,834 trimmed.

The largest buyer was H&H International Investment, adding an estimated $877M. The largest seller was Gates Foundation Trust, cutting an estimated $1.14B.

  • 4,582 institutional investors held Berkshire Hathaway Class B (BRK.B) as of Q3 2025, down from 4,594 in Q2 2025.
  • Funds reported $440B of Berkshire Hathaway Class B stock for Q3 2025, up 3.3% quarter-over-quarter.
  • 191 funds opened new Berkshire Hathaway Class B positions in Q3 2025 and 125 closed out, a net change of +66 holders.
  • The largest Berkshire Hathaway Class B buyer in Q3 2025 was H&H International Investment, an estimated $877M added.
  • The largest Berkshire Hathaway Class B seller in Q3 2025 was Gates Foundation Trust, an estimated $1.14B sold.

Based on aggregated 13F filings for Q3 2025.