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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
QCM
4601
Qsemble Capital Management
New York
– -$2.62M -5,782 Closed
AF
4602
Ally Financial
Michigan
– -$2.27M -5,000 Closed
MWM
4603
Massachusetts Wealth Management
Massachusetts
– -$2.21M -4,870 Closed
FAM
4604
Fred Alger Management
New York
– -$2.18M -4,809 Closed
ODG
4605
O'Dell Group
Ohio
– -$2.05M -4,525 Closed
LP
4606
LGL Partners
Pennsylvania
– -$1.9M -4,199 Closed
ORAM
4607
One River Asset Management
Connecticut
– -$1.68M -3,722 Closed
XC
4608
XY Capital
Hong Kong
– -$1.74M -3,585 Closed
LIP
4609
Lighthouse Investment Partners
Florida
– -$1.33M -2,930 Closed
FH
4610
Financial Harvest
Florida
– -$1.28M -2,828 Closed
AAP
4611
Arax Advisory Partners
Colorado
– -$1.03M -2,267 Closed
GLAM
4612
Gardner Lewis Asset Management
Pennsylvania
– -$1M -2,210 Closed
HT
4613
Headlands Technologies
Illinois
– -$903K -1,992 Closed
OAM
4614
Oxford Asset Management
United Kingdom
– -$836K -1,845 Closed
SPA
4615
Shore Point Advisors
New Jersey
– -$834K -1,840 Closed
NRD
4616
Nebula Research & Development
New York
– -$814K -1,796 Closed
PC
4617
Permit Capital
Pennsylvania
– -$759K -1,675 Closed
SIA
4618
Sovereign Investment Advisors
Arizona
– -$737K -1,627 Closed
BAWC
4619
Boyce & Associates Wealth Consulting
Texas
– -$717K -1,581 Closed
RFS
4620
Retirement Financial Solutions
Tennessee
– -$697K -1,538 Closed
BA
4621
Bridgewater Associates
Connecticut
– -$682K -1,505 Closed
T
4622
TrueFG
Texas
– -$679K -1,499 Closed
PIAS
4623
PCA Investment Advisory Services
Ohio
– -$654K -1,444 Closed
SWIG
4624
Strategic Wealth Investment Group
Kentucky
– -$647K -1,427 Closed
BAS
4625
Breakthru Advisory Services
Wisconsin
– -$602K -1,329 Closed
183 184
185
186 187

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.