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Berkshire Hathaway Class B

4,527 hedge funds and large institutions have $425B invested in Berkshire Hathaway Class B in 2025 Q2 according to their latest regulatory filings, with 218 funds opening new positions, 1,966 increasing their positions, 1,721 reducing their positions, and 122 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

1% more funds holding

Funds holding: 4,5024,527 (+25)

8% less capital invested

Capital invested by funds: $464B → $425B (-$38.9B)

23% less funds holding in top 10

Funds holding in top 10: 923714 (-209)

Holders
4,527
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
714
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.26B
Puts
$6.95B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
76
Mariner
Kansas
$531M
AQR Capital Management
77
AQR Capital Management
Connecticut
$530M
PNC Financial Services Group
78
PNC Financial Services Group
Pennsylvania
$528M
CCM
79
Check Capital Management
California
$521M
Capital Research Global Investors
80
Capital Research Global Investors
California
$520M
RG
81
Rathbones Group
United Kingdom
$511M
LCOV
82
London Company of Virginia
Virginia
$510M
Brown Advisory
83
Brown Advisory
Maryland
$510M
Wealth Enhancement Advisory Services
84
Wealth Enhancement Advisory Services
Minnesota
$509M
Arrowstreet Capital
85
Arrowstreet Capital
Massachusetts
$509M
Korea Investment Corp
86
Korea Investment Corp
South Korea
$499M
Ensign Peak Advisors
87
Ensign Peak Advisors
Utah
$490M
Aviva
88
Aviva
United Kingdom
$486M
Assenagon Asset Management
89
Assenagon Asset Management
Luxembourg
$476M
Stifel Financial
90
Stifel Financial
Missouri
$474M
MFIM
91
Mesirow Financial Investment Management
Illinois
$464M
Royal London Asset Management
92
Royal London Asset Management
United Kingdom
$455M
HCM
93
Himalaya Capital Management
Washington
$436M
Susquehanna International Group
94
Susquehanna International Group
Pennsylvania
$434M
Fidelity International
95
Fidelity International
Bermuda
$433M
Universal-Beteiligungs- und Servicegesellschaft
96
Universal-Beteiligungs- und Servicegesellschaft
Germany
$430M
DWA
97
Douglass Winthrop Advisors
New York
$423M
TD Asset Management
98
TD Asset Management
Ontario, Canada
$420M
Treasurer of the State of North Carolina
99
Treasurer of the State of North Carolina
North Carolina
$419M
Toronto Dominion Bank
100
Toronto Dominion Bank
Ontario, Canada
$415M