Berkshire Hathaway Class B
BRK.B
4,582 hedge funds and large institutions have $440B invested in Berkshire Hathaway Class B in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,871 increasing their positions, 1,834 reducing their positions, and 125 closing their positions.
53% more first-time investments, than exits
New positions opened: 191 | Existing positions closed: 125
36% more call options, than puts
Call options by funds: $11.2B | Put options by funds: $8.25B
3% more capital invested
Capital invested by funds: $426B → $440B (+$13.9B)
2% more repeat investments, than reductions
Existing positions increased: 1,871 | Existing positions reduced: 1,834
0% less funds holding
Funds holding: 4,594 → 4,582 (-12)
1.99% less ownership
Funds ownership: 65.49% → 63.5% (-2%)
9% less funds holding in top 10
Funds holding in top 10: 722 → 658 (-64)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HHII
H&H International Investment
Palo Alto,
California
|
+$877M |
| 2 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$845M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$585M |
| 4 |
Barrow, Hanley, Mewhinney & Strauss
Dallas,
Texas
|
+$578M |
| 5 |
BlackRock
New York
|
+$531M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Gates Foundation Trust
Kirkland,
Washington
|
-$1.14B |
| 2 |
JP Morgan Chase
New York
|
-$570M |
| 3 |
UBS AM
Chicago,
Illinois
|
-$455M |
| 4 |
Goldman Sachs
New York
|
-$355M |
| 5 |
California Public Employees Retirement System
Sacramento,
California
|
-$306M |
BRK.B Hedge Fund Activity: Q3 2025 in Review
4,582 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in Berkshire Hathaway Class B (BRK.B) for Q3 2025, worth a combined $440B — up 3.3% from $426B a quarter earlier.
Buyers outnumbered sellers: 191 funds opened new BRK.B positions and 125 closed out — a net gain of 66 holders — while 1,871 added to existing stakes and 1,834 trimmed.
The largest buyer was H&H International Investment, adding an estimated $877M. The largest seller was Gates Foundation Trust, cutting an estimated $1.14B.
- 4,582 institutional investors held Berkshire Hathaway Class B (BRK.B) as of Q3 2025, down from 4,594 in Q2 2025.
- Funds reported $440B of Berkshire Hathaway Class B stock for Q3 2025, up 3.3% quarter-over-quarter.
- 191 funds opened new Berkshire Hathaway Class B positions in Q3 2025 and 125 closed out, a net change of +66 holders.
- The largest Berkshire Hathaway Class B buyer in Q3 2025 was H&H International Investment, an estimated $877M added.
- The largest Berkshire Hathaway Class B seller in Q3 2025 was Gates Foundation Trust, an estimated $1.14B sold.
Based on aggregated 13F filings for Q3 2025.