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$BRK.B

BERKSHIRE HATHAWAY Class B

XNYSFinancialsFire, Marine & Casualty Insurance

$517.74-0.21%$1.11Prev $518.85LIVE Full chart Live alerts
No recent price bars, the chart lights up when BRK.B starts printing.

Why is BRK.B down today? It is at $517.74 (-0.21%), and our scanner flagged it 22 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment BRK.B spikes, and full due diligence on BRK.B — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $BRK.B 22 times in the last 30 days. Create a free account to track $BRK.B, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.

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Key Stats

Price & performance
Price
$517.74
Change today
-0.21%
Previous close
$518.85
52-week range
$461.37 – $520.66
Valuation & dividend
Market cap
$488M
Ownership & volume
Shares outstanding
2.16B
Live vendor count
Institutional own.
77.47%
Total held
77.5%
Tradeable float
485.9M
23% of shares · after 77% institutions
Short interest
13.0M
▲ +0% vs prior · as of 2026-07-15
Short % of float
2.7%
Days to cover
3.3d
Avg daily volume
4.7M
Classification
Sector
Financials
Industry
Fire, Marine & Casualty Insurance
Exchange
XNYS
Relative volumevs this time of day
5m
0.7x
15m
0.5x
1h
0.6x
1D
0.1x

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Why is $BRK.B moving today?

3 alerts today25.2x RVOLBullish news

BRK.B is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on BRK.B today, peaking at 25.2x its normal volume. A recent catalyst in the news: “Greg Abel's Berkshire Hathaway May Have Repurchased Up to $11 Billion of Its Own Stock Last Quarter. Is This a Bullish Signal for Shareholders?.” Early read: bullish.

Why is $BRK.B moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201

$BRK.B Sentiment

Bullish
Bearish78Bullish
📰 News: 7 bull · 0 bearToday: -0.2%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$BRK.B Activity

News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.

Alert· 2h ago +0.9% vs EMA
$BRK.B near 200 EMA: +0.95% from 200 EMA at 9:27 AM ET
at $525.00
Alert· 2h ago 20.1× RVOL
BRK.B hit 20.066x RVOL at 9:27 AM ET
at $525.00
News· The Motley Fool· 2h ago Bullish
Greg Abel's Berkshire Hathaway May Have Repurchased Up to $11 Billion of Its Own Stock Last Quarter. Is This a Bullish Signal for Shareholders?
Alert· 2h ago +0.8% vs EMA
$BRK.B near 200 EMA: +0.81% from 200 EMA at 8:40 AM ET
at $523.09
Alert· 2h ago 8.5× RVOL
BRK.B hit 8.515x RVOL at 8:40 AM ET
at $523.09
Alert· 2h ago +0.6% vs EMA
BRK.B 200EMA (1m) Trending · 50 bars · L3 · +0.63% above EMA · slope +0.17%
at $522.06
Alert· 2h ago +0.1% vs EMA
BRK.B 50EMA (1m) Trending · 50 bars · L3 · +0.08% above EMA · slope +0.25%
at $522.06
Alert· 4h ago 25.2× RVOL
BRK.B hit 25.231x RVOL at 7:00 AM ET
at $520.10
News· The Motley Fool· 21h ago Neutral
Warren Buffett Has a Lesson for AI Investors: Don't Ignore History.
News· The Motley Fool· 1d ago Bullish
Peter Lynch Turned Fidelity Magellan From $18 Million Into $14 Billion With a 29% Annual Return. Here's Whether His "Invest in What You Know" Strategy Still Works Today.
News· The Motley Fool· 1d ago Bullish
If a Bear Market Is Coming, 2 Stocks You Don't Want to Own -- and 1 You Do
News· The Motley Fool· 2d ago Bullish
Greg Abel Hasn't Touched Berkshire's Energy Holdings. Is That a Signal?
News· The Motley Fool· 2d ago Bullish
Berkshire Hathaway Has Invested $23 Billion in This Stock Since Greg Abel Took Over as CEO. History Says There May Be More to Come
Alert· 2d ago +0.6% vs EMA
BRK.B 200EMA (15m) Trending · 51 bars · L3 · +0.60% above EMA · slope +0.10%
at $513.35
News· The Motley Fool· 3d ago Bullish
Greg Abel Poured $23 Billion of Berkshire's Cash Into Alphabet Stock
News· The Motley Fool· 3d ago Bullish
Greg Abel Closed Berkshire Hathaway's Taylor Morrison Deal on July 24. Here's What Berkshire Owns Now.
Alert· 3d ago 3.9× RVOL
BRK.B hit 3.937x RVOL at 10:02 AM ET
at $517.86
Alert· 3d ago 2.5× RVOL
BRK.B hit 2.522x RVOL at 9:46 AM ET
at $519.11
Alert· 5d ago +0.3% vs EMA
BRK.B 200EMA (5m) Trending · 77 bars · L3 · +0.28% above EMA · slope +0.08%
at $511.46
Alert· 6d ago 3.5× RVOL
BRK.B hit 3.492x RVOL at 9:50 AM ET
at $508.86
Alert· 6d ago +0.1% vs EMA
BRK.B 50EMA (1m) Trending · 121 bars · L4 · +0.08% above EMA · slope +0.07%
at $507.75
Alert· 7d ago -0.7% vs EMA
$BRK.B near 200 EMA: -0.67% from 200 EMA at 11:02 AM ET
at $502.12
Alert· 7d ago 11.3× RVOL
BRK.B hit 11.283x RVOL at 11:02 AM ET
at $502.12
Alert· 7d ago -0.4% vs EMA
$BRK.B near 200 EMA: -0.45% from 200 EMA at 9:13 AM ET
at $505.31
Alert· 7d ago 3.9× RVOL
BRK.B hit 3.901x RVOL at 9:13 AM ET
at $505.31
Alert· 7d ago -0.6% vs EMA
$BRK.B near 200 EMA: -0.60% from 200 EMA at 8:36 AM ET
at $505.25
Alert· 7d ago 26.1× RVOL
BRK.B hit 26.053x RVOL at 8:36 AM ET
at $505.25
Alert· 7d ago 6.8× RVOL
BRK.B hit 6.833x RVOL at 8:02 AM ET
at $506.04
Alert· 8d ago 7.5× RVOL
BRK.B hit 7.491x RVOL at 10:59 AM ET
at $508.69
Alert· 8d ago +0.2% vs EMA
$BRK.B near 200 EMA: +0.16% from 200 EMA at 4:04 AM ET
at $512.00
Alert· 8d ago 6.4× RVOL
BRK.B hit 6.393x RVOL at 4:04 AM ET
at $512.00
Alert· 8d ago +0.8% vs EMA
BRK.B 50EMA (15m) Trending · 52 bars · L3 · +0.82% above EMA · slope +0.91%
at $512.21
Alert· 8d ago +1.7% vs EMA
BRK.B 200EMA (5m) Trending · 110 bars · L4 · +1.68% above EMA · slope +0.34%
at $512.35

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BRK.B stock FAQ

Why is $BRK.B moving today?

BRK.B is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on BRK.B today, peaking at 25.2x its normal volume. A recent catalyst in the news: “Greg Abel's Berkshire Hathaway May Have Repurchased Up to $11 Billion of Its Own Stock Last Quarter. Is This a Bullish Signal for Shareholders?.” Early read: bullish.

What is the BRK.B stock price today?

BRK.B last traded at $517.74, down 0.21% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live BRK.B alerts?

The BRK.B Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged BRK.B 22 times in the last 30 days.

What exchange is BRK.B on?

BRK.B (BERKSHIRE HATHAWAY Class B) trades on XNYS, with a market cap of about $488M in the FIRE, MARINE & CASUALTY INSURANCE sector.

Is BRK.B good for day trading?

That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge BRK.B for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.