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Berkshire Hathaway Class B
BRK.B

4,560 hedge funds and large institutions have $468B invested in Berkshire Hathaway Class B in 2025 Q1 according to their latest regulatory filings, with 226 funds opening new positions, 1,903 increasing their positions, 1,805 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

111% more first-time investments, than exits

New positions opened: 226 | Existing positions closed: 107

52% more call options, than puts

Call options by funds: $11.1B | Put options by funds: $7.32B

27% more funds holding in top 10

Funds holding in top 10: 732 → 932 (+200)

19% more capital invested

Capital invested by funds: $395B → $468B (+$73.4B)

5% more repeat investments, than reductions

Existing positions increased: 1,903 | Existing positions reduced: 1,805

1% more funds holding

Funds holding: 4,518 → 4,560 (+42)

0% less ownership

Funds ownership: 65.74% → 65.74% (-0%)

Holders
4,560
Holders Change
+42
Holders Change %
+0.93%
% of All Funds
61.15%
Holding in Top 10
932
Holding in Top 10 Change
+200
Holding in Top 10 Change %
+27.32%
% of All Funds
12.5%
New
226
Increased
1,903
Reduced
1,805
Closed
107
Calls
$11.1B
Puts
$7.32B
Net Calls
+$3.81B
Net Calls Change
-$334M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$1.98B
2
Vanguard Group
Vanguard Group
Pennsylvania
+$1.25B
3
JP Morgan Chase
JP Morgan Chase
New York
+$814M
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$684M
5
BlackRock
BlackRock
New York
+$563M

Top Sellers

1
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$1.28B
2
Gates Foundation Trust
Gates Foundation Trust
Washington
-$1.21B
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$570M
4
AIS
AM Investment Strategies
Tennessee
-$497M
5
Flossbach Von Storch
Flossbach Von Storch
Germany
-$439M
Name Holding Trade Value Shares
Change 		Change in
Stake
MIM
151
MetLife Investment Management
New Jersey
$254M -$4.41M -9,073 -2%
PJWM
152
Philip James Wealth Mangement
Georgia
$253M -$12.1M -24,878 -5%
Rockefeller Capital Management
153
Rockefeller Capital Management
New York
$252M +$35.4M +72,803 +18%
Northwestern Mutual Wealth Management
154
Northwestern Mutual Wealth Management
Wisconsin
$251M -$41.6M -85,634 -15%
1832 Asset Management
155
1832 Asset Management
Ontario, Canada
$249M +$74.6M +153,503 +49%
State of New Jersey Common Pension Fund D
156
State of New Jersey Common Pension Fund D
New Jersey
$240M -$17.8M -36,673 -8%
MMH
157
Menora Mivtachim Holdings
Israel
$238M – – –
Teacher Retirement System of Texas
158
Teacher Retirement System of Texas
Texas
$237M -$32.5M -66,850 -13%
Hudson Bay Capital Management
159
Hudson Bay Capital Management
Connecticut
$236M -$35.1M -72,284 -14%
American Century Companies
160
American Century Companies
Missouri
$236M -$20.6M -42,294 -9%
Nomura Asset Management
161
Nomura Asset Management
Japan
$235M +$11.2M +23,058 +6%
ProShare Advisors
162
ProShare Advisors
Maryland
$234M +$17.9M +36,788 +9%
SI
163
Scharf Investments
California
$234M -$4.91M -10,107 -2%
FDCDDQ
164
Federation des caisses Desjardins du Quebec
Quebec, Canada
$233M +$14.3M +29,334 +7%
Kovitz Investment Group Partners
165
Kovitz Investment Group Partners
Illinois
$231M -$13.6M -27,876 -6%
Victory Capital Management
166
Victory Capital Management
Texas
$231M -$7.16M -14,718 -3%
QCM
167
Quantinno Capital Management
New York
$230M +$88.4M +181,821 +73%
RAM
168
Resona Asset Management
Japan
$230M +$16.1M +33,114 +8%
VNIM
169
Vaughan Nelson Investment Management
Texas
$229M +$154M +317,304 +282%
GIA
170
Gateway Investment Advisers
Ohio
$227M +$9.35M +19,241 +5%
Bank Julius Baer & Co
171
Bank Julius Baer & Co
Switzerland
$226M +$155M +318,579 +300%
CF
172
Corebridge Financial
Texas
$224M -$7.19M -14,788 -3%
CNB
173
Czech National Bank
Czech Republic
$224M +$11.5M +23,580 +6%
William Blair & Company
174
William Blair & Company
Illinois
$224M +$795K +1,635 +0.4%
COPPSERS
175
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$223M +$14.3M +29,432 +8%
5 6
7
8 9

BRK.B Hedge Fund Activity: Q1 2025 in Review

4,560 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Berkshire Hathaway Class B (BRK.B) for Q1 2025, worth a combined $468B — up 19% from $395B a quarter earlier.

Buyers outnumbered sellers: 226 funds opened new BRK.B positions and 107 closed out — a net gain of 119 holders — while 1,903 added to existing stakes and 1,805 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $1.98B. The largest seller was Assenagon Asset Management, cutting an estimated $1.28B.

  • 4,560 institutional investors held Berkshire Hathaway Class B (BRK.B) as of Q1 2025, up from 4,518 in Q4 2024.
  • Funds reported $468B of Berkshire Hathaway Class B stock for Q1 2025, up 19% quarter-over-quarter.
  • 226 funds opened new Berkshire Hathaway Class B positions in Q1 2025 and 107 closed out, a net change of +119 holders.
  • The largest Berkshire Hathaway Class B buyer in Q1 2025 was Fidelity Investments, an estimated $1.98B added.
  • The largest Berkshire Hathaway Class B seller in Q1 2025 was Assenagon Asset Management, an estimated $1.28B sold.

Based on aggregated 13F filings for Q1 2025.