Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
BRK/B
BERKSHIRE HATHAWAY INC-CL BData as of 2026 Q1 (03-31) · 13F snapshot
Summary
BERKSHIRE HATHAWAY INC-CL B (BRK/B) is held by 13 tracked hedge-fund managers, a combined reported value of ~$17.79B; the largest are Bill Gates, Duan Yongping, Ken Griffin. This quarter: 1 new, 4 added, 2 trimmed, 1 closed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Gurus holding13
Congress trades0
Price$489.25vs quarter-end+2.10%
Sectors0
This quarter's moves
Top holderBill GatesNew1
Added4
Trimmed / sold3
Value $4.38B21.9% of portfolio9,147,7962026 Q1
Value $1.23B— of portfolio2,577,1002026 Q1
Bill AckmanAdd
Value $997.04M15.2% of portfolio5,453,3602020 Q1
Value $725.99M— of portfolio1,515,0002026 Q1
Value $627.85M— of portfolio1,310,2002026 Q1
Li LuHold
Value $430.20M13.4% of portfolio897,7492026 Q1
Value $88.99M— of portfolio185,7002026 Q1
George SorosNew large stake
Value $63.87M1.2% of portfolio133,2772026 Q1
Value $53.14M— of portfolio110,9002026 Q1
Guy SpierHold
Value $46.77M34.6% of portfolio97,6002026 Q1
Value $13.27M— of portfolio27,7002026 Q1
David EinhornNew large stake
Value $10.51M1.5% of portfolio57,5002020 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Duan Yongping | $4.38B | 21.9% | Add |
| Ken GriffinCALL | $1.23B | — | — |
| Bill Ackman | $997.04M | 15.2% | Add |
| Izzy EnglanderPUT | $725.99M | — | — |
| Ken GriffinPUT | $627.85M | — | — |
| Li Lu | $430.20M | 13.4% | Hold |
| Izzy EnglanderCALL | $88.99M | — | — |
| George Soros | $63.87M | 1.2% | New large stake |
| Steven CohenCALL | $53.14M | — | — |
| Guy Spier | $46.77M | 34.6% | Hold |
| Steven CohenPUT | $13.27M | — | — |
| David Einhorn | $10.51M | 1.5% | New large stake |