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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
First Manhattan
51
First Manhattan
New York
$1.03B +$12.9M +26,508 +1%
TC
52
Tetrad Corporation
Nebraska
$1.02B – – –
Ameriprise
53
Ameriprise
Minnesota
$1B +$38.7M +79,621 +4%
Citigroup
54
Citigroup
New York
$977M +$381M +783,932 +75%
Manulife (Manufacturers Life Insurance)
55
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$929M -$109M -225,105 -11%
State Board of Administration of Florida Retirement System
56
State Board of Administration of Florida Retirement System
Florida
$925M +$428K +880 +0.1%
Prudential Financial
57
Prudential Financial
New Jersey
$907M +$2.9M +5,963 +0.4%
Commonwealth Equity Services
58
Commonwealth Equity Services
Massachusetts
$897M +$52M +106,990 +7%
Adage Capital Partners
59
Adage Capital Partners
Massachusetts
$846M -$119M -244,904 -13%
National Bank of Canada
60
National Bank of Canada
Quebec, Canada
$826M +$248M +509,695 +49%
New York State Teachers Retirement System (NYSTRS)
61
New York State Teachers Retirement System (NYSTRS)
New York
$824M -$35.1M -72,105 -4%
Diamond Hill Capital Management
62
Diamond Hill Capital Management
Ohio
$818M -$16M -33,004 -2%
MG
63
Markel Group
Virginia
$816M – – –
Assenagon Asset Management
64
Assenagon Asset Management
Luxembourg
$796M -$1.28B -2,625,027 -64%
Canada Pension Plan Investment Board
65
Canada Pension Plan Investment Board
Ontario, Canada
$793M +$182M +374,112 +34%
Swedbank
66
Swedbank
Sweden
$782M -$161M -330,642 -18%
Chevy Chase Trust
67
Chevy Chase Trust
Maryland
$753M -$6.82M -14,032 -1%
RCWMU
68
Rothschild & Co Wealth Management (UK)
United Kingdom
$744M -$4.02M -8,273 -0.6%
Caisse de Depot et Placement du Quebec (CDPQ)
69
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$732M -$25.4M -52,145 -4%
Canada Life
70
Canada Life
Manitoba, Canada
$712M -$6.84M -14,069 -1%
Franklin Resources
71
Franklin Resources
California
$697M +$110M +225,675 +21%
Capital Research Global Investors
72
Capital Research Global Investors
California
$695M -$228M -469,274 -26%
US Bancorp
73
US Bancorp
Minnesota
$691M -$2.01M -4,144 -0.3%
Schroder Investment Management Group
74
Schroder Investment Management Group
United Kingdom
$684M +$107M +220,410 +20%
BBHC
75
Brown Brothers Harriman & Co
New York
$679M -$41M -84,431 -6%
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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.