Berkshire Hathaway Inc. Class B (BRK-B)
Live and historical stock data for Berkshire Hathaway Inc. Class B, delivered through Axion's financial data API - pricing, fundamentals, SEC filings, ownership, ETF exposure and sentiment in one JSON response.
Berkshire Hathaway Inc., together with its subsidiaries, engages in the insurance, freight rail transportation, and utility businesses. The company provides property, casualty, life, accident, and health insurance and reinsurance; operates railroad systems in North America; generates, transmits, stores, and distributes electricity from na…
GET /stocks/BRK-B/pricesBRK-B Price History
Weekly close prices for Berkshire Hathaway Inc. Class B, pulled directly from Axion's historical market data API.
BRK-B Fundamentals - Financial Analytics API
Multi-year Berkshire Hathaway Inc. Class B financial statement data, structured for a quantitative finance API workflow - no PDF parsing or scraping required.
GET /financials/BRK-B/revenueRevenue & Net Income
Annual revenue vs. net income, sourced from SEC filings.
No revenue history available for BRK-B.
GET /financials/BRK-B/cashflow/freeFree Cash Flow vs. CapEx
Cash generated after operating costs vs. capital reinvested into the business.
No cash flow history available for BRK-B.
GET /financials/BRK-B/epsEPS Trend (TTM)
Trailing twelve-month earnings per share, by report date.
GET /financials/BRK-B/roe · /deProfitability & Leverage
Return on equity vs. debt-to-equity, by report date.
- Debt/Equity
- ROE
BRK-B Valuation - Investment Research API
DCF fair value, analyst consensus and the 52-week trading range for BRK-B, built for investment research API and trading data API use cases.
GET /financials/dcf/BRK-B/valueMargin of safety: -0.5%
GET /profiles/BRK-B/summary52W Range: $455.19 - $516.85
GET /profiles/BRK-B/recommendationAnalyst Consensus Trend
Strong buy / buy / hold / sell counts across recent trailing periods.
- Buy
- Hold
- Sell
- Strong Buy
ETF & Fund Exposure to BRK-B
Every mutual fund and ETF reporting a position in BRK-B, searchable by fund name - a direct look at institutional financial data API coverage for this ticker.
GET /insiders/BRK-B/funds| Fund / ETF | Shares Held | % Held | Value |
|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | - | 4.1% | $28.42B |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | - | 3.3% | $23.32B |
| iShares Trust-iShares Core S&P 500 ETF | - | 1.7% | $11.87B |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | - | 1.7% | $11.74B |
| SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust | - | 1.6% | $11.07B |
| VANGUARD INDEX FUNDS-Vanguard Value Index Fund | - | 1.0% | $7.20B |
| SELECT SECTOR SPDR TRUST-State Street Financial Select Sector SPDR ETF | - | 0.9% | $6.17B |
| VANGUARD INSTITUTIONAL INDEX FUNDS-Vanguard Institutional Index Fund | - | 0.7% | $5.17B |
| iShares Trust-iShares Russell 1000 Value ETF | - | 0.3% | $2.08B |
| SPDR SERIES TRUST-State Street SPDR Portfolio S&P 500 ETF | - | 0.3% | $2.10B |
Companies Linked to BRK-B - Trading Data API
Peers, suppliers and customers mapped from Axion's supply chain API, useful for building correlated, cross-company trading data API signals.
- FG Nexus Inc.FGNX
- Loews CorporationL
- American Financial Group, Inc.AFG
- American Integrity Insurance Group, Inc.AII
- HCI Group, Inc.HCI
- American Coastal Insurance CorporationACIC
BRK-B Ownership - Institutional Financial Data API
Insider, institutional and public ownership breakdown, plus the latest insider transactions.
GET /insiders/BRK-B/ownership- Insiders
- Institutions
- Public / Other
| Insider | Activity | Shares | Value |
|---|---|---|---|
| BUFFETT WARREN E | Stock Gift at price 0.00 per share. | 160 | $0.00 |
| GUYMAN CHARLOTTE M | Stock Gift at price 0.00 per share. | 574 | $0.00 |
| O'SULLIVAN MICHAEL J | Purchase at price 467.13 - 470.22 per share. | 536 | $250.5K |
| JAIN AJIT | Stock Gift at price 0.00 per share. | 22 | $0.00 |
| BUFFETT WARREN E | Stock Gift at price 0.00 per share. | 2.70M | $0.00 |
GET /news/BRK-BLatest News
- Berkshire shares rise to highest since Abel replaced Buffett after stock buybacks, strong earnings - Reuters Mon, 10 Aug 2026 16:42:41 GMT
- Berkshire Hathaway Inc. News Release - Yahoo Finance Sat, 08 Aug 2026 12:00:00 GMT
- Berkshire Is Finally Deploying Its Cash Hoard Under New CEO Greg Abel - Investopedia Mon, 10 Aug 2026 16:47:07 GMT
- Berkshire Hathaway Doubles Down on Homebuilders, Makes Alphabet Top 3 Holding - Benzinga Fri, 14 Aug 2026 20:44:56 GMT
- Post-Buffett Berkshire Hathaway Can't Keep Up With S&P 500 — Michael Burry Says It's Lost Its 'Attractive' Tag - TradingView Mon, 10 Aug 2026 06:20:25 GMT
See It In Action - API & Python Example
The same request that powers this page, in cURL, Python and JavaScript, plus an example chart rendered straight from the response.
curl https://api.axionquant.com/stocks/BRK-B/quote \
-H "Authorization: Bearer YOUR_API_KEY"GET /financials/BRK-B/revenueRendered from the response above
Revenue vs. net income - the exact data returned by the Python example.
No data yet to chart for BRK-B.
- Historical prices (OHLCV)
- Financial statements & ratios
- DCF valuation & analyst consensus
- Insider & institutional ownership
- ETF & fund exposure
- ESG scores
- Supply chain & peers
- SEC filings
- News, social & analyst sentiment
- Company news
Why Developers Use Axion's Financial Data API
A single stock market API and market data API for pricing, fundamentals and alternative data - built for quant research API and institutional financial data API workflows.
One API, every asset class
Equities, ETFs, crypto, forex and futures through a single financial data API - no juggling vendors.
Institutional-grade fundamentals
Point-in-time financial statements sourced from SEC filings, built for an institutional financial data API workflow.
Built for backtesting
Daily and weekly historical market data going back years, ready for a quantitative finance API pipeline.
Alternative data included
ESG, sentiment, supply chain and insider activity - a financial intelligence API that goes beyond price.
Free tier, real docs
Explore the stock data API for free - grab a key and start pulling market data in minutes.
Research You Can Build on BRK-B
Starting points for quant research API and investment research API projects using this ticker.
Backtest a strategy on BRK-B
Pull BRK-B's full daily price history and combine it with fundamentals to backtest momentum or mean-reversion signals.
Build a DCF valuation model
Feed live revenue, free cash flow and discount-rate inputs into your own model, benchmarked against Axion's DCF fair value.
Screen for Finance peers
Use supply-chain and sector classification data to build a comparable-company screen around BRK-B.
Factor in ESG and sentiment
Combine ESG scores with news and social sentiment to test alternative-data factors against returns.
Track insider conviction
Monitor insider buying and selling activity, plus ETF and institutional ownership shifts, ahead of catalysts.
Map supply-chain risk
Trace BRK-B's suppliers and customers to model second-order exposure to sector shocks.
Explore More From Axion
One account, every dataset - browse the rest of Axion's market data API and alternative data catalog.
Built for Teams Like These
From independent researchers to institutional desks - Axion powers financial applications at every scale.
BRK-B Data, Built for Developers and Quant Teams
Berkshire Hathaway Inc. Class B pricing, fundamentals and alternative data are available through Axion's financial data API - a single, consistent stock data API and market data API covering equities, ETFs, crypto, forex and futures. Instead of stitching together a stock market API for pricing, a separate SEC filings feed, and a spreadsheet for fundamentals, pull BRK-B's revenue, EPS, insider activity, ETF exposure, ESG scores and DCF valuation from one financial analytics API.
Axion is built for institutional financial data API and quant research API workflows: point-in-time financial statements for backtesting, a historical market data API with daily and weekly granularity going back years, and an investment research API layer that surfaces analyst consensus, sentiment and ownership changes for BRK-B alongside every other ticker you track. Whether you're building a quantitative finance API pipeline, a trading data API for a systematic strategy, or a research dashboard, BRK-B's complete dataset is one authenticated request away.
Frequently asked questions
Does Axion offer a stock market API for BRK-B?
Yes. Axion's stock data API returns real-time quotes, historical prices, fundamentals, SEC filings, ownership and sentiment for BRK-B through a single financial data API key.
Can I pull BRK-B's historical market data programmatically?
Yes - the historical market data API returns daily, weekly, monthly, quarterly or yearly OHLCV bars for BRK-B, with no fixed lookback limit.
Is BRK-B's fundamental data suitable for quant research?
Yes. Revenue, net income, free cash flow, ROE and DCF valuation are exposed as structured JSON, ready for a quantitative finance API or quant research API pipeline - no scraping or PDF parsing required.
Can I see which ETFs and funds hold BRK-B?
Yes. Axion's institutional financial data API includes fund and ETF ownership, insider transactions and major-holder breakdowns for BRK-B, refreshed alongside SEC filings.