BRK.A
BERKSHIRE HATHAWAY INC-CL AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
BERKSHIRE HATHAWAY INC-CL A (BRK.A) is held by 7 tracked hedge-fund managers, a combined reported value of ~$167.84M; the largest are Renaissance Technologies, Izzy Englander, Guy Spier. This quarter: 1 trimmed, 2 closed. 2 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Gurus holding7
Congress trades2
Price$732100vs quarter-end+1.94%
Sectors1
This quarter's moves
Top holderRenaissance TechnologiesNew0
Added0
Trimmed / sold3
Guy SpierHold
Value $21.54M15.9% of portfolio302026 Q1
Joel GreenblattHold
Value $6.46M0.0% of portfolio92026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Guy Spier | $21.54M | 15.9% | Hold |
| Joel Greenblatt | $6.46M | 0.0% | Hold |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.