Berkshire Hathaway Inc

BRK.A

Exchange: NYSE
Industry: Fire, Marine & Casualty Insurance
SEC CIK: 0001067983

SEC filings (opens in a new tab)

In the last 90 days, Berkshire Hathaway Inc insiders filed 1 open-market purchase and 0 sales; 1,424 institutions reported holding it in 13F filings for Q2 2026, worth $63.7B in total; 7 superinvestors hold it, including Gardner Russo & Quinn and Markel Group.

Other share classesBRK.B

Key figures

Insider buysLast 90 days, $250.1K in total: 1
Insider sellsOpen market, last 90 days: 0
13F holdersQ2 2026, +7 vs. previous quarter: 1,424
13F valueReported value at the end of Q2 2026: $63.7B
Superinvestors holdingAt the end of Q2 2026: 7

Price chart

Chart by TradingView (opens in a new tab)

Superinvestors holding BRK.A, Q2 2026

7 superinvestors report holding Berkshire Hathaway Inc on Form 13F. Percentages are the stock's share of each portfolio.

Go to the superinvestors tab

Gardner Russo & Quinn

Tom Russo

12.0%

Berkshire Hathaway Inc's share of the portfolio

Shares: 1,432
Value: $1.07B

Markel Group

Tom Gayner

6.4%

Berkshire Hathaway Inc's share of the portfolio

Shares: 1,114
Value: $834.2M

Other superinvestors holding BRK.A (part 1)
Superinvestor	Weight	Value
Semper Augustus	10.2%	$89.9M
Chou Associates	29.7%	$64.4M
Aquamarine	15.6%	$22.5M
Giverny Capital	0.2%	$6.74M
Fairfax Financial	<0.1%	$748.8K

Latest insider trades

Open-market purchases and sales by Berkshire Hathaway Inc insiders from Form 4, newest first.

See all insider trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Aug 13, 2026 (view filing)5:06 PM ET	Aug 12	1 day	O'Sullivan Michael J.See Remarks	PPurchaseClass B Common Stock	+488	$512.44	+$250.1K	+73.6%1.15K after	3 lots
Aug 13, 2026 (view filing)5:00 PM ET	Aug 12	1 day	Chang Charles CSee Remarks	PPurchaseClass A Common Stock	+2	$765,187.06	+$1.53M	–8 after	Derivative2 lotsPrice outlier
May 6, 2026 (view filing)	May 6	Same day	O'Sullivan Michael J.See Remarks	PPurchaseClass B Common Stock	+536	$467.44	+$250.5K	+422.0%663 after	2 lots
Mar 5, 2026 (view filing)7:25 AM ET	Mar 4	1 day	Abel GregorySee Remarks	PPurchaseClass A Common Stock	+21	$728,970.11	+$15.3M	–249 after	Derivative18 lotsPrice outlier
Sep 26, 2025 (view filing)	Sep 26	Same day	Jain AjitVice Chairman	SSaleClass B Common Stock	−15.0K	–	–	−12.3%107.3K after
Aug 8, 2025 (view filing)	Aug 8	Same day	Jain AjitVice Chairman	SSaleClass B Common Stock	−2.00K	$464.73	−$929.5K	−1.6%122.3K after
Mar 4, 2025 (view filing)	Mar 3	1 day	Witmer Meryl BDirector	SSaleClass A Common Stock	−2	$775,883.30	−$1.55M	−50.0%2 after
Jan 3, 2025 (view filing)	Dec 31, 2024	3 days	Guyman CharlotteDirector	SSaleClass A Common Stock	−1	$678,064.00	−$678.1K	–55 after	DerivativePrice outlier
Sep 11, 2024 (view filing)	Sep 9	2 days	Jain AjitVice Chairman	SSaleClass B Common Stock	−300.0K	$463.61	−$139.1M	–61 after	DerivativePrice outlier
Aug 10, 2023 (view filing)	Aug 8	2 days	Jain AjitVice Chairman	SSaleClass B Common Stock	−28.0K	$362.55	−$10.2M	−18.4%124.3K after

Top 10 13F holders, Q2 2026

The largest institutional positions in Berkshire Hathaway Inc at the end of Q2 2026; share changes are against Q1 2026.

See all 1,424 holders

Institutions holding BRK.A in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
FMR LLC	14,533	$10.9B	0.47%	−2,467−14.5%	Reduced
First Manhattan Co	13,803	$10.3B	26.34%	−166−1.2%	Reduced
Norges Bank	10,371	$7.77B	0.77%	+10,371	New
Vanguard Portfolio Management LLC	2,056	$1.54B	0.07%	+3+0.1%	Added
HighTower Advisors, LLC	1,946	$1.46B	1.40%	−60−3.0%	Reduced
Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn	1,432	$1.07B	12.01%	−28−1.9%	Reduced
Everett Harris & Co	1,417	$1.06B	13.03%	+2+0.1%	Added
Vanguard Capital Management LLC	1,378	$1.03B	0.02%	−1−0.1%	Reduced
First Eagle Investment Management, LLC	1,130	$846.2M	0.70%	+565+100.0%	Added
Hikari Tsushin, Inc.	1,127	$844.0M	56.03%	00.0%	Unchanged