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Berkshire Hathaway Class B

4,503 hedge funds and large institutions have $439B invested in Berkshire Hathaway Class B in 2025 Q3 according to their latest regulatory filings, with 186 funds opening new positions, 1,837 increasing their positions, 1,808 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
4,503
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
646
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$11.2B
Puts
$8.25B
Net Calls
Net Calls Change

Top Buyers

1 +$910M
2 +$877M
3 +$607M
4
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
+$600M
5
BlackRock
BlackRock
New York
+$551M

Top Sellers

1 -$10.5B
2 -$6.11B
3 -$1.19B
4
JP Morgan Chase
JP Morgan Chase
New York
-$592M
5
UBS AM
UBS AM
Illinois
-$472M
Name Holding Trade Value Shares
Change
Change in
Stake
GCM
4526
Graham Capital Management
Connecticut
ACM
4527
AlphaStar Capital Management
North Carolina
SI
4528
Symmetry Investments
Jersey
GCM
4529
Glynn Capital Management
California
DWA
4530
Dorsey Wright & Associates
California
IFU
4531
iSAM Funds (UK)
United Kingdom
XI
4532
XXEC Inc
Oklahoma
CP
4533
Cumberland Partners
Ontario, Canada
MPCL
4534
My Personal CFO LLC
Washington
FCM
4535
Fieldview Capital Management
Michigan
SXL
4536
Summit X LLC
Missouri
DL
4537
DOHJ LLC
Washington
RAM
4538
RedJay Asset Management
Ontario, Canada
HG
4539
Herbst Group
Connecticut
HAFG
4540
Hansen & Associates Financial Group
California
WG
4541
Winton Group
United Kingdom
AIC
4542
Anthracite Investment Company
Texas
MGM
4543
Miura Global Management
New York
LIP
4544
Lighthouse Investment Partners
Florida
SA
4545
Shilanski & Associates
Alaska
RS
4546
R Squared
Hong Kong
EA
4547
Ergawealth Advisors
Illinois
AIM
4548
ARGA Investment Management
Connecticut
PA
4549
Prossimo Advisors
California
AC
4550
AXQ Capital
New Jersey