BRKB

BERKSHIRE HATHAWAY INC DEL

33 superinvestors own BRKB

Based on latest 13F filings — data is 45–90 days delayed

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Bill & Melinda Gates Foundation	Bill & Melinda Gates Foundation Trust	27.59%	19,406,764	$9.8B	2025Q4	Reduced
Guy Spier	Aquamarine Capital	22.55%	140,600	$38.4M	2022Q2	Held
Duan Yongping	H&H International Investment	20.63%	7,176,196	$3.6B	2025Q4	Added
Bill Ackman	Pershing Square Capital Management	15.17%	5,453,360	$997.0M	2020Q1	Added
Mohnish Pabrai	Pabrai Investments	14.41%	444,941	$33.9M	2011Q4	Added
Li Lu	Himalaya Capital Management	12.64%	897,749	$451.3M	2025Q4	Held
Wallace Weitz	Weitz Investment Management	8.55%	286,850	$144.2M	2025Q4	New
Francois Rochon	Giverny Capital	8.48%	505,984	$254.3M	2025Q4	Reduced
Thomas Gayner	Markel Group	6.43%	31,546	$124.7M	2007Q3	Held
Glenn Greenberg	Brave Warrior Advisors	6.40%	671,870	$200.9M	2021Q4	Reduced
Thomas Russo	Gardner Russo & Quinn	6.11%	1,125,395	$565.7M	2025Q4	New
Tweedy Browne Co.	Tweedy Browne Value Fund	3.94%	97,081	$48.8M	2025Q4	Reduced
Harry Burn	Sound Shore	3.36%	210,204	$105.7M	2025Q4	Added
Ruane Cunniff	Sequoia Fund	3.30%	2,031,475	$402.7M	2017Q4	Reduced
Yacktman Asset Management	Yacktman Asset Management	2.20%	313,033	$157.3M	2025Q4	New
Bruce Berkowitz	Fairholme Capital	1.68%	48,012	$24.1M	2025Q4	Reduced
Christopher Davis	Davis Selected Advisers	1.67%	739,875	$371.9M	2025Q4	Added
David Einhorn	Greenlight Capital	1.50%	57,500	$10.5M	2020Q1	New
Viking Global Investors	Viking Global Investors	1.43%	2,304,200	$206.7M	2012Q4	Added
Robert Olstein	Olstein Capital Management	1.13%	11,000	$6K	2025Q4	New
David Katz	Matrix Asset Advisors	0.52%	11,595	$5.8M	2025Q4	Held
Torray Funds	Torray Investment Partners	0.21%	2,884	$1.4M	2025Q4	New
Mason Hawkins	Longleaf Partners – Southeastern Asset Management	0.17%	38,700	$7.1M	2020Q1	Added
Kahn Brothers Group	Kahn Brothers Group	0.14%	3,107	$959K	2023Q1	Held
Mairs & Power	Mairs & Power Growth Fund	0.12%	24,857	$12.5M	2025Q4	Reduced
Chuck Akre	Akre Capital Management	0.07%	11,902	$6.0M	2025Q4	Reduced
Polen Capital Management	Polen Capital Management	0.07%	90	$403K	2008Q1	Reduced
First Eagle Investment Management	First Eagle Investment Management	0.05%	51,877	$26.1M	2025Q4	Added
Bill Nygren	Oakmark Select Fund – Harris Associates	0.02%	25,999	$13.1M	2025Q4	Reduced
Kenneth Fisher	Fisher Asset Management	0.01%	38,195	$19.2M	2025Q4	Added
Greenhaven Associates	Greenhaven Associates	0.01%	1,001	$533K	2025Q1	Held
Jensen Investment Management	Jensen Investment Management	0.00%	1	$3K	2009Q3	Held
Dodge & Cox	Dodge & Cox	0.00%	11,440	$5.8M	2025Q4	Held

Recent insider activity — BRKB

Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months

No open-market insider trades in the last 12 months.

Form 4 filings for option exercises and other transaction types are excluded.

Congressional trades — BRKB

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

We are sourcing STOCK Act disclosures and will display them here shortly.

Learn more

What Is SEC Form 4?

Understand the insider trade filings behind BRKB activity.

What Is a 13F Filing?

How superinvestors disclose their quarterly holdings.

Insider Cluster Buying

Why multiple insiders buying together is a strong signal.

Superinvestor Consensus

The most widely held stocks across all tracked institutions.