BRK.B
E80483
BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BRK.B canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T638794 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BRK.B Context triple: [Berkshire Hathaway, tickerSymbol, BRK.B]
-
A.
BRK.A
BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
B.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
C.
JBU
JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
-
D.
BOL
BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
-
E.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BRK.B Target entity description: BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
A.
BRK.A
BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
B.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
C.
JBU
JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
-
D.
BOL
BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
-
E.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Class B common stock
ⓘ
equity security ⓘ financial instrument ⓘ |
| associatedWithPerson |
Charlie Munger
ⓘ
Warren Buffett ⓘ |
| associatedWithRole | Warren Buffett as CEO of Berkshire Hathaway Inc. ⓘ |
| countryOfExchange |
United States
ⓘ
linked to:
United States of America
|
| denominatedInCurrency |
United States dollar
ⓘ
linked to:
US dollar
|
| economicRightsPerShare | fraction of BRK.A economic interest ⓘ |
| governingLawJurisdiction |
Delaware, United States
ⓘ
linked to:
Province of Delaware
|
| hasCorporateFormOfIssuer | public company ⓘ |
| hasCUSIP | 084670702 ⓘ |
| hasDividendPolicy | no regular cash dividend historically ⓘ |
| hasISIN | US0846707026 ⓘ |
| hasTickerSymbol | BRK.B ⓘ |
| hasUnderlyingIssuer |
Berkshire Hathaway Inc.
ⓘ
linked to:
Berkshire Hathaway
|
| hasVotingPowerRelativeTo | BRK.A ⓘ |
| isComponentOf |
S&P 100 Index
ⓘ
linked to:
S&P 100
S&P 500 Index ⓘ major U.S. equity indices ⓘ |
| isSubordinateTo | BRK.A ⓘ |
| issuerBusinessModel | multinational holding company ⓘ |
| issuerFoundedBy | Warren Buffett (through Berkshire Hathaway’s evolution) ⓘ |
| issuerHeadquartersLocation |
Omaha, Nebraska, United States
ⓘ
linked to:
Omaha, Nebraska
|
| issuerIncorporationCountry |
United States
ⓘ
linked to:
United States of America
|
| issuerIndustry | conglomerate ⓘ |
| issuerOwnsBusinessesIn |
consumer products
ⓘ
energy ⓘ financial services ⓘ insurance ⓘ manufacturing ⓘ railroads ⓘ reinsurance ⓘ retail ⓘ services ⓘ utilities ⓘ |
| issuerWellKnownSubsidiary |
BNSF Railway
ⓘ
Berkshire Hathaway Energy ⓘ GEICO ⓘ |
| listedOnExchange | New York Stock Exchange ⓘ |
| primaryInvestorBase |
institutional investors
ⓘ
retail investors ⓘ |
| regulatorOfExchange |
U.S. Securities and Exchange Commission
ⓘ
linked to:
Securities and Exchange Commission
|
| securityType | common stock ⓘ |
| settlementCycle | T+2 (typical U.S. equity standard) ⓘ |
| shareClass | Class B ⓘ |
| tickerSymbolFor |
Berkshire Hathaway Inc. Class B
ⓘ
linked to:
Berkshire Hathaway
|
| tradesInMarket | NYSE US equity market ⓘ |
| tradingCurrencyCode | USD ⓘ |
| votingRightCharacteristic | non‑controlling for most retail investors ⓘ |
| votingRightsPerShare |
lower than BRK.A
ⓘ
linked to:
BRK.A
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: BRK.B Description of subject: BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.