Who holds BRK.B (BERKSHIRE HATHAWAY INC-CL B)?

BRK.B

BERKSHIRE HATHAWAY INC-CL B

Data 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. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.

Attention · HighThis quarter · Heating up

Gurus holding13

Congress trades20

Price$487.81vs quarter-end+1.80%

Sectors2

This quarter's moves

New1

Added4

Trimmed / sold3

Top holderBill Gates

Duan YongpingAdd

Value $4.38B21.9% of portfolio9,147,7962026 Q1

Ken GriffinCALL—

Value $1.23B— of portfolio2,577,1002026 Q1

Bill AckmanAdd

Value $997.04M15.2% of portfolio5,453,3602020 Q1

Izzy EnglanderPUT—

Value $725.99M— of portfolio1,515,0002026 Q1

Ken GriffinPUT—

Value $627.85M— of portfolio1,310,2002026 Q1

Li LuHold

Value $430.20M13.4% of portfolio897,7492026 Q1

Izzy EnglanderCALL—

Value $88.99M— of portfolio185,7002026 Q1

George SorosNew large stake

Value $63.87M1.2% of portfolio133,2772026 Q1

Steven CohenCALL—

Value $53.14M— of portfolio110,9002026 Q1

Guy SpierHold

Value $46.77M34.6% of portfolio97,6002026 Q1

Steven CohenPUT—

Value $13.27M— of portfolio27,7002026 Q1

David EinhornNew large stake

Value $10.51M1.5% of portfolio57,5002020 Q1

Investor	Period	Value	Shares	% of portfolio	Action
Duan Yongping	2026 Q1	$4.38B	9,147,796	21.9%	Add
Ken GriffinCALL	2026 Q1	$1.23B	2,577,100	—	—
Bill Ackman	2020 Q1	$997.04M	5,453,360	15.2%	Add
Izzy EnglanderPUT	2026 Q1	$725.99M	1,515,000	—	—
Ken GriffinPUT	2026 Q1	$627.85M	1,310,200	—	—
Li Lu	2026 Q1	$430.20M	897,749	13.4%	Hold
Izzy EnglanderCALL	2026 Q1	$88.99M	185,700	—	—
George Soros	2026 Q1	$63.87M	133,277	1.2%	New large stake
Steven CohenCALL	2026 Q1	$53.14M	110,900	—	—
Guy Spier	2026 Q1	$46.77M	97,600	34.6%	Hold
Steven CohenPUT	2026 Q1	$13.27M	27,700	—	—
David Einhorn	2020 Q1	$10.51M	57,500	1.5%	New large stake

Insider Trading

Officers · directors · Form 4

Warren E Buffett
Director, 10% Owner
Buy
0Traded 2026-07-14Filed 2026-07-15
Warren E Buffett
Director, 10% Owner
Sell
1,000,000 @ $0.00Traded 2026-07-14Filed 2026-07-15
Warren E Buffett
Director, 10% Owner
Sell
9,000,000 @ $0.00Traded 2026-07-14Filed 2026-07-15
Warren E Buffett
Director, 10% Owner
Buy
12,000,000 @ $0.00Traded 2026-07-14Filed 2026-07-15
Ajit Jain
Vice Chairman
Sell
3Traded 2026-07-01Filed 2026-07-02
Warren E Buffett
Director, 10% Owner
Sell
160 @ $0.00Traded 2026-05-22Filed 2026-05-26
Warren E Buffett
Director, 10% Owner
Buy
37,500 @ $0.00Traded 2026-05-18Filed 2026-05-20
Warren E Buffett
Director, 10% Owner
Sell
18,646 @ $0.00Traded 2026-05-18Filed 2026-05-20
Warren E Buffett
Director, 10% Owner
Buy
0Traded 2026-05-18Filed 2026-05-20
Charlotte Guyman
Director
Sell
574 @ $0.00Traded 2026-05-14Filed 2026-05-18
Michael J. O'Sullivan
Senior Vice President, General Counsel and Secretary
Buy$24.9K
53 @ $470.22Traded 2026-05-06Filed 2026-05-06
Michael J. O'Sullivan
Senior Vice President, General Counsel and Secretary
Buy$225.6K
483 @ $467.13Traded 2026-05-06Filed 2026-05-06
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$182.86M
1,220,376 @ $149.84Traded 2026-05-01Filed 2026-05-05
Ajit Jain
Vice Chairman
Sell
22Traded 2026-03-27Filed 2026-03-27
Warren E Buffett
Chairman and CEO
Sell
0Traded 2026-03-17Filed 2026-03-19
Gregory E. Abel
President and Chief Executive Officer
Buy
0Traded 2026-03-04Filed 2026-03-05
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$2.54M
30,643 @ $82.78Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$4.98M
59,411 @ $83.79Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$1.52M
18,125 @ $84.04Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$643.4K
7,685 @ $83.72Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$3.58M
44,100 @ $81.22Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$1.69M
20,226 @ $83.48Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$5.35M
65,071 @ $82.25Traded 2026-01-06Filed 2026-02-17
BERKSHIRE HATHAWAY INC / Warren E Buffett
10% Owner
Sell$1.54M
18,689 @ $82.40Traded 2026-01-06Filed 2026-02-17

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.