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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
PCM
4576
Prana Capital Management
Connecticut
– -$20.1M -44,369 Closed
RP
4577
Rice Partnership
Hawaii
– -$16.1M -35,599 Closed
CI
4578
CX Institutional
Indiana
– -$15.2M -33,541 Closed
Simplex Trading
4579
Simplex Trading
Illinois
– -$16.1M -33,016 Closed
HCM
4580
Harspring Capital Management
New York
– -$11.1M -24,500 Closed
FHB
4581
First Hawaiian Bank
Hawaii
– -$11M -24,335 Closed
IFLIT
4582
Investmentaktiengesellschaft Fuer Langfristige Investoren TGV
Germany
– -$11M -24,325 Closed
CFGS
4583
Concourse Financial Group Securities
Alabama
– -$8.86M -19,247 Closed
Balyasny Asset Management
4584
Balyasny Asset Management
Illinois
– -$9.15M -18,813 Closed
WS
4585
Wela Strategies
Georgia
– -$18.7K -18,702 Closed
Holocene Advisors
4586
Holocene Advisors
New York
– -$7.86M -17,330 Closed
TI
4587
Trexquant Investment
Connecticut
– -$7.29M -16,075 Closed
WP
4588
WMS Partners
Maryland
– -$7.24M -15,979 Closed
MECA
4589
Miller Equity Capital Advisors
Texas
– -$6.63M -14,630 Closed
MHS
4590
M Holdings Securities
Oregon
– -$5.99M -13,220 Closed
LG
4591
Leuthold Group
Minnesota
– -$5.98M -13,189 Closed
SFFS
4592
Stonehage Fleming Financial Services
Jersey
– -$4.45M -9,808 Closed
SHWM
4593
Smith & Howard Wealth Management
Georgia
– -$3.69M -8,145 Closed
GCP
4594
GSA Capital Partners
United Kingdom
– -$3.31M -7,298 Closed
NAG
4595
Northstar Advisory Group
New Jersey
– -$3.2M -7,063 Closed
CBA
4596
Coastal Bridge Advisors
Connecticut
– -$3.16M -6,982 Closed
SLT
4597
St Louis Trust
Missouri
– -$3.04M -6,696 Closed
FIC
4598
FCG Investment Company
Tennessee
– -$2.91M -6,417 Closed
Group One Trading
4599
Group One Trading
Illinois
– -$3.09M -6,360 Closed
LWM
4600
Liberty Wealth Management
California
– -$2.68M -5,913 Closed
182 183
184
185 186

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.