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Berkshire Hathaway Class B

4,844 hedge funds and large institutions have $436B invested in Berkshire Hathaway Class B in 2026 Q1 according to their latest regulatory filings, with 226 funds opening new positions, 1,942 increasing their positions, 2,023 reducing their positions, and 161 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: $

less funds holding

Funds holding:

less ownership

Funds ownership:

4% less repeat investments, than reductions

Existing positions increased: 1,942 | Existing positions reduced: 2,023

5% less capital invested

Capital invested by funds: $458B → $436B (-$21.4B)

4% less funds holding in top 10

Funds holding in top 10: 643616 (-27)

Holders
4,844
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
616
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.98B
Puts
$7.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
WorldQuant Millennium Advisors
226
WorldQuant Millennium Advisors
New York
$159M
MAM
227
Magellan Asset Management
Australia
$159M
Aberdeen Group
228
Aberdeen Group
United Kingdom
$159M
Lido Advisors
229
Lido Advisors
California
$156M
PAG
230
Private Advisor Group
New Jersey
$154M
HNB
231
Huntington National Bank
Ohio
$153M
OSAM
232
O'Shaughnessy Asset Management
Connecticut
$152M
DAM
233
Davis Asset Management
California
$151M
YAM
234
Yacktman Asset Management
Texas
$151M
MML Investors Services
235
MML Investors Services
Massachusetts
$151M
RCG
236
Ruane, Cunniff & Goldfarb
New York
$149M
UAM
237
UAS Asset Management
New York
$147M
FMI
238
Fiduciary Management Inc
Wisconsin
$146M
TAM
239
Timucuan Asset Management
Florida
$146M
MCI
240
McDonald Capital Investors
California
$146M
IC
241
IEQ Capital
California
$145M
DADC
242
D.A. Davidson & Co
Montana
$142M
1832 Asset Management
243
1832 Asset Management
Ontario, Canada
$142M
Daiwa Securities Group
244
Daiwa Securities Group
Japan
$138M
X
245
Xponance
Pennsylvania
$137M
SPIA
246
Steward Partners Investment Advisory
New York
$136M
PFSRSONJ
247
Police & Firemen's Retirement System of New Jersey
New Jersey
$136M
EPIM
248
Evelyn Partners Investment Management
$135M
CB
249
Commerce Bank
Missouri
$135M
M&T Bank
250
M&T Bank
New York
$134M