$BRK.B
BERKSHIRE HATHAWAY Class B
XNYS•Financials•Fire, Marine & Casualty Insurance
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.
Get free $BRK.B alerts the moment volume spikes
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.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $517.74
- Change today
- -0.21%
- Previous close
- $518.85
- 52-week range
- $461.37 – $520.66
- Market cap
- $488M
- 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
- Sector
- Financials
- Industry
- Fire, Marine & Casualty Insurance
- Exchange
- XNYS
- 5m
- 0.7x
- 15m
- 0.5x
- 1h
- 0.6x
- 1D
- 0.1x
Get free BRK.B + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
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.
$BRK.B Sentiment
BullishBlend 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.








Stocks similar to BRK.B
Comparable names in fire, marine & casualty insurance, closest in size first.
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.