Portfolio manager	Activity	Share change	% portfolio
David TepperTier 1 Appaloosa Management	Buy (new)	+25K	0.20%
Joel GreenblattElite Gotham Asset Management	Add 45.00%	+738K	0.40%
Li LuElite Himalaya Capital	Add 23.00%	+211K	15.00%
Tom SlaterElite Baillie Gifford (Long Term Global Growth)	Buy (new)	+29K	0.00%
Chuck AkreTier 1 Akre Capital Management	Reduce 21.00%	-2K	0.10%
François RochonTier 1 Giverny Capital	Reduce 34.00%	-130K	4.40%

Q1 2026(2 moves)

Portfolio manager	Activity	Share change	% portfolio
Chuck AkreTier 1 Akre Capital Management	Reduce 13.00%	-2K	0.10%
François RochonTier 1 Giverny Capital	Reduce 25.00%	-127K	6.90%

Q4 2025(2 moves)

Portfolio manager	Activity	Share change	% portfolio
Joel GreenblattElite Gotham Asset Management	Add 14.00%	+209K	0.40%
Chuck AkreTier 1 Akre Capital Management	Reduce 15.00%	-2K	0.10%

Q3 2025(2 moves)

Portfolio manager	Activity	Share change	% portfolio
David RolfeTier 1 Wedgewood Partners Adding Berkshire.	Add 6.00%	+38K	7.80%
Joel GreenblattElite Gotham Asset Management	Add 34.00%	+374K	0.50%

Q2 2025(2 moves)

Portfolio manager	Activity	Share change	% portfolio
Joel GreenblattElite Gotham Asset Management	Add 6.00%	+61K	0.40%
Chuck AkreTier 1 Akre Capital Management	Reduce 8.00%	-1K	0.10%

Q1 2025(2 moves)

Portfolio manager	Activity	Share change	% portfolio
Joel GreenblattElite Gotham Asset Management	Add 28.00%	+226K	0.60%
Bill Nygren Oakmark Funds	Reduce 12.00%	-4K	0.00%

Q4 2024(1 move)

Portfolio manager	Activity	Share change	% portfolio
Bill Nygren Oakmark Funds	Reduce 17.00%	-7K	0.00%

Insider activity

SEC Form 4 filings — when CEOs, CFOs, and 10%+ owners buy or sell their own stock.

Buyback program

Tracked SEC disclosures — how aggressively Berkshire Hathaway Inc. repurchases its own stock.

See full buyback dossier → 10-K source cited

ETF holders

Tracked US ETFs with BRK.B in their top-10 holdings.

ETF	% Fund	AUM	Category
XLF Financial Select Sector SPDR Fund	12.60%	$52B	Sector
VOO Vanguard S&P 500 ETF	1.50%	$580B	Large Cap
SPY SPDR S&P 500 ETF Trust	1.50%	$540B	Large Cap
VTI Vanguard Total Stock Market ETF	1.30%	$510B	Broad Market

Latest news

Recent headlines for BRK.B.

Hedge funds holding BRK.B

2 superinvestors hold Berkshire Hathaway as a top position. Sorted by % of portfolio.

Manager	% Portfolio
Li Lu Following the master.	16.2%
David Rolfe Buffett, at the source.	7.8%

Dividend tax by country

What will you keep of every $100 in BRK.B dividend?

Your country of residenceCompany is domiciled inGross dividend (example)

Withholding rate

Domestic (no cross-border)

Tax withheld

$0.00

You'd receive

$1000.00

Of $1000 gross

Source & treaty reference

Treaty: Domestic — no cross-border withholding

Citation: IRC §§ 1441–1446 (withholding applies to foreign persons; US residents not subject to WHT on US-source dividends)

U.S. residents receiving U.S.-source dividends: no cross-border withholding; taxed on return at qualified (0/15/20%) or ordinary rates.

Estimates for educational purposes only. Tax rules change; consult a qualified tax professional for your specific situation. Dividend-tax treatment depends on holding period, account type (taxable vs. retirement), investor type (individual vs. pension vs. mutual fund), limitation-on-benefits tests, and other factors not modeled here.

Full dividend-tax rules for United States investors →

Get alerts when they buy or sell BRK.B

One email per 13F filing — you'll know within hours if any tracked manager moves on BRK.B.

Related smart-money signals

Derived from the same 13F filings

Same sector · Financials

Top conviction in this sector

All Financials names →

Same owners hold these

Tickers owned by ≥2 of BRK.B's holders

1.GOOGAlphabet Class C
2 shared owners
+2

Full overlap matrix →

Frequently asked questions

Who owns BRK.B?

2 tracked superinvestors hold Berkshire Hathaway (BRK.B) as a top position based on the latest SEC 13F filings. Largest tracked holder: Li Lu at 16.2% of portfolio. Full ranking by % of portfolio shown in the table below.

How many hedge funds hold BRK.B?

2 of HoldLens's tracked superinvestors hold BRK.B according to the latest SEC 13F filings. The sum of conviction across those holders is 24% (sum of each manager's % of portfolio in BRK.B).

Who is the biggest hedge-fund holder of BRK.B?

Among HoldLens's tracked superinvestors, Li Lu holds the largest BRK.B position at 16.2% of portfolio. Following the master.

What sector is BRK.B?

Berkshire Hathaway (BRK.B) is classified as Financials. Smart-money activity, insider trades (SEC Form 4), buybacks, short interest, congressional trades, and ETF ownership for BRK.B are all aggregated on this page.

Data sourced from SEC 13F filings. BRK.B ownership reflects publicly disclosed long positions only. Not investment advice.