We are live on ! Find out more
BRK.B icon

Berkshire Hathaway Class B

4,594 hedge funds and large institutions have $426B invested in Berkshire Hathaway Class B in 2025 Q2 according to their latest regulatory filings, with 216 funds opening new positions, 1,997 increasing their positions, 1,738 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed

74% more first-time investments, than exits

New positions opened: 216 | Existing positions closed: 124

33% more call options, than puts

Call options by funds: $9.26B | Put options by funds: $6.95B

15% more repeat investments, than reductions

Existing positions increased: 1,997 | Existing positions reduced: 1,738

1% more funds holding

Funds holding: 4,5654,594 (+29)

0.26% less ownership

Funds ownership: 65.75%65.49% (-0.26%)

9% less capital invested

Capital invested by funds: $468B → $426B (-$42.5B)

23% less funds holding in top 10

Funds holding in top 10: 932722 (-210)

Holders
4,594
Holders Change
+29
Holders Change %
+0.64%
% of All Funds
60.39%
Holding in Top 10
722
Holding in Top 10 Change
-210
Holding in Top 10 Change %
-22.53%
% of All Funds
9.49%
New
216
Increased
1,997
Reduced
1,738
Closed
124
Calls
$9.26B
Puts
$6.95B
Net Calls
+$2.31B
Net Calls Change
-$1.5B
Name Holding Trade Value Shares
Change
Change in
Stake
MFA
1201
Mayflower Financial Advisors
Massachusetts
$10.1M +$89.9K +177 +0.9%
MWM
1202
Marietta Wealth Management
Georgia
$10.1M -$29.5K -58 -0.3%
WC
1203
Woodstock Corp
Massachusetts
$10.1M -$4.57K -9 -0%
CNBTD
1204
Citizens National Bank Trust Department
Mississippi
$10.1M +$103K +202 +1%
AFA
1205
Arlington Financial Advisors
California
$10M -$697K -1,372 -6%
SAM
1206
Strategy Asset Managers
California
$10M +$156K +307 +2%
SRC
1207
Stone Run Capital
New York
$9.99M -$284K -560 -3%
KOC
1208
Koss-Olinger Consulting
Florida
$9.99M -$456K -898 -4%
CCM
1209
Corsair Capital Management
New York
$9.98M
AAM
1210
AR Asset Management
California
$9.97M
PBK
1211
Peoples Bank (Kansas)
Kansas
$9.94M -$17.3K -34 -0.2%
PIA
1212
Perennial Investment Advisors
California
$9.94M -$801K -1,578 -7%
FFA
1213
Fairfield Financial Advisors
Massachusetts
$9.93M +$189K +372 +2%
CI
1214
CX Institutional
Indiana
$9.86M +$10.3M +20,297 New
JSC
1215
Jackson Square Capital
California
$9.85M -$38.1K -75 -0.4%
GFL
1216
Granite FO LLC
New Hampshire
$9.85M
EWA
1217
EverSource Wealth Advisors
Alabama
$9.84M +$3.23M +6,358 +46%
BA
1218
Bristlecone Advisors
Washington
$9.83M -$483K -952 -4%
MIC
1219
Means Investment Company
Maine
$9.8M +$187K +369 +2%
PI
1220
PFG Investments
New York
$9.75M +$276K +544 +3%
IP
1221
Interval Partners
New York
$9.75M +$3.96M +7,800 +64%
BFS
1222
BridgePort Financial Solutions
Iowa
$9.74M +$447K +881 +5%
IB
1223
Intrust Bank
Kansas
$9.73M -$687K -1,353 -6%
CCM
1224
Conway Capital Management
California
$9.66M +$166K +327 +2%
HI
1225
Harbour Investments
Wisconsin
$9.65M -$2.78M -5,481 -22%

BRK.B Hedge Fund Activity: Q2 2025 in Review

4,594 of the 7,607 institutional investors tracked by Wall St. Rank reported a position in Berkshire Hathaway Class B (BRK.B) for Q2 2025, worth a combined $426B — down 9.1% from $468B a quarter earlier.

Buyers outnumbered sellers: 216 funds opened new BRK.B positions and 124 closed out — a net gain of 92 holders — while 1,997 added to existing stakes and 1,738 trimmed.

The largest buyer was Gates Foundation Trust, adding an estimated $3.53B. The largest seller was Fidelity Investments, cutting an estimated $2.52B.

  • 4,594 institutional investors held Berkshire Hathaway Class B (BRK.B) as of Q2 2025, up from 4,565 in Q1 2025.
  • Funds reported $426B of Berkshire Hathaway Class B stock for Q2 2025, down 9.1% quarter-over-quarter.
  • 216 funds opened new Berkshire Hathaway Class B positions in Q2 2025 and 124 closed out, a net change of +92 holders.
  • The largest Berkshire Hathaway Class B buyer in Q2 2025 was Gates Foundation Trust, an estimated $3.53B added.
  • The largest Berkshire Hathaway Class B seller in Q2 2025 was Fidelity Investments, an estimated $2.52B sold.

Based on aggregated 13F filings for Q2 2025.