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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
Amundi
26
Amundi
France
$2.43B +$2.7M +5,547 +0.1%
Raymond James Financial
27
Raymond James Financial
Florida
$2.07B +$5.64M +11,611 +0.3%
Swiss National Bank
28
Swiss National Bank
Switzerland
$2B +$4.81M +9,900 +0.3%
Flossbach Von Storch
29
Flossbach Von Storch
Germany
$1.91B -$439M -902,196 -20%
HSBC Holdings
30
HSBC Holdings
United Kingdom
$1.83B -$56.9M -117,088 -3%
Deutsche Bank
31
Deutsche Bank
Germany
$1.81B +$243M +500,089 +17%
HHII
32
H&H International Investment
California
$1.8B -$117M -239,800 -7%
Sumitomo Mitsui Trust Group
33
Sumitomo Mitsui Trust Group
Japan
$1.75B +$15.7M +32,358 +1%
AllianceBernstein
34
AllianceBernstein
Tennessee
$1.72B -$208M -428,475 -12%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$1.62B +$6.95M +14,301 +0.5%
LPL Financial
36
LPL Financial
California
$1.57B +$130M +268,311 +10%
Mitsubishi UFJ Asset Management
37
Mitsubishi UFJ Asset Management
Japan
$1.52B +$157M +323,367 +13%
Creative Planning
38
Creative Planning
Kansas
$1.47B +$29.4M +60,458 +2%
Bank of Montreal
39
Bank of Montreal
Ontario, Canada
$1.4B -$130M -267,213 -9%
Artisan Partners
40
Artisan Partners
Wisconsin
$1.37B -$25.5M -52,493 -2%
Principal Financial Group
41
Principal Financial Group
Iowa
$1.33B +$5.81M +11,948 +0.5%
HighTower Advisors
42
HighTower Advisors
Illinois
$1.33B +$7M +14,405 +0.6%
Neuberger Berman Group
43
Neuberger Berman Group
New York
$1.31B -$15.6M -32,012 -1%
Baird Financial Group
44
Baird Financial Group
Wisconsin
$1.3B +$5.14M +10,568 +0.4%
National Pension Service
45
National Pension Service
South Korea
$1.27B +$47.8M +98,263 +4%
BNP Paribas Financial Markets
46
BNP Paribas Financial Markets
France
$1.27B -$148M -304,601 -11%
Wellington Management Group
47
Wellington Management Group
Massachusetts
$1.26B +$348M +716,021 +44%
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$1.12B -$84.8M -174,400 -8%
California State Teachers Retirement System (CalSTRS)
49
California State Teachers Retirement System (CalSTRS)
California
$1.1B -$4.31M -8,864 -0.4%
Corient Private Wealth
50
Corient Private Wealth
Florida
$1.06B -$31.8M -65,400 -3%
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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.