Carl Icahn
E19036
Carl Icahn is an American billionaire investor and corporate raider known for his aggressive activist investing strategies and significant influence on Wall Street.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Carl Icahn canonical | 19 |
| Brett Icahn | 1 |
| Carl Celian Icahn | 1 |
| Icahn | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T57102 — 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: Carl Icahn Context triple: [The Giving Pledge, hasNotableSignatory, Carl Icahn]
-
A.
Joel Glazer
Joel Glazer is an American businessman and member of the Glazer family who co-owns and helps oversee the operations of Manchester United Football Club.
-
B.
James L. Dolan
James L. Dolan is an American businessman and executive best known as the head of Madison Square Garden Sports and Entertainment, overseeing teams like the New York Knicks and New York Rangers.
-
C.
Warren Buffett
Warren Buffett is an American business magnate, investor, and philanthropist, best known as the longtime chairman and CEO of Berkshire Hathaway and one of the world’s most successful value investors.
-
D.
Ted Leonsis
Ted Leonsis is an American businessman, investor, and sports team owner best known for leading Monumental Sports & Entertainment, which owns several major Washington, D.C. professional sports franchises.
-
E.
Steve Tisch
Steve Tisch is an American film producer and businessman best known as the co-owner of the NFL’s New York Giants and an Academy Award–winning producer of "Forrest Gump."
- 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: Carl Icahn Target entity description: Carl Icahn is an American billionaire investor and corporate raider known for his aggressive activist investing strategies and significant influence on Wall Street.
-
A.
Joel Glazer
Joel Glazer is an American businessman and member of the Glazer family who co-owns and helps oversee the operations of Manchester United Football Club.
-
B.
James L. Dolan
James L. Dolan is an American businessman and executive best known as the head of Madison Square Garden Sports and Entertainment, overseeing teams like the New York Knicks and New York Rangers.
-
C.
Warren Buffett
Warren Buffett is an American business magnate, investor, and philanthropist, best known as the longtime chairman and CEO of Berkshire Hathaway and one of the world’s most successful value investors.
-
D.
Ted Leonsis
Ted Leonsis is an American businessman, investor, and sports team owner best known for leading Monumental Sports & Entertainment, which owns several major Washington, D.C. professional sports franchises.
-
E.
Steve Tisch
Steve Tisch is an American film producer and businessman best known as the co-owner of the NFL’s New York Giants and an Academy Award–winning producer of "Forrest Gump."
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
activist shareholder
ⓘ
billionaire ⓘ businessperson ⓘ corporate raider ⓘ human ⓘ investor ⓘ |
| appointedAs | special advisor on regulatory reform to President Donald Trump ⓘ |
| chairmanOf | Icahn Enterprises ⓘ |
| child |
Carl Icahn
self-linksurface differs
ⓘ
surface form:
Brett Icahn
|
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1936-02-16 ⓘ |
| educatedAt | Princeton University ⓘ |
| familyName |
Carl Icahn
self-linksurface differs
ⓘ
surface form:
Icahn
|
| fieldOfStudy | philosophy ⓘ |
| formerSpouse | Liba Trejbal ⓘ |
| founded |
Icahn & Co.
ⓘ
Icahn Enterprises ⓘ |
| fullName |
Carl Icahn
self-linksurface differs
ⓘ
surface form:
Carl Celian Icahn
|
| givenName | Carl ⓘ |
| hasHonor | Icahn School of Medicine at Mount Sinai named after him ⓘ |
| industry |
finance
ⓘ
investment ⓘ |
| knownForInvestmentIn |
Apple Inc.
ⓘ
Herbalife ⓘ Netflix, Inc. ⓘ
surface form:
Netflix
RJR Nabisco ⓘ Trans World Airlines ⓘ
surface form:
TWA
Texaco ⓘ Yahoo Inc. (post-Verizon media reorganization) ⓘ
surface form:
Yahoo!
eBay ⓘ |
| listedIn |
Forbes
ⓘ
surface form:
Forbes billionaires list
|
| netWorthStatus | billionaire ⓘ |
| notableFor |
activist investing
ⓘ
corporate raiding in the 1980s ⓘ hostile takeovers ⓘ influence on Wall Street ⓘ |
| occupation |
businessperson
ⓘ
investor ⓘ philanthropist ⓘ |
| philanthropy |
donations to medical and educational institutions
ⓘ
endowment of Icahn School of Medicine at Mount Sinai ⓘ |
| placeOfBirth |
New York City
ⓘ
Queens ⓘ |
| politicalActivity | supported Donald Trump in 2016 U.S. presidential election ⓘ |
| residence | New York City ⓘ |
| spouse | Gail Golden ⓘ |
| strategy |
activist shareholder campaigns
ⓘ
hostile takeover attempts ⓘ pressuring management for changes ⓘ |
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: Carl Icahn Description of subject: Carl Icahn is an American billionaire investor and corporate raider known for his aggressive activist investing strategies and significant influence on Wall Street.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Carl Celian Icahn
this entity surface form:
Icahn
this entity surface form:
Brett Icahn
subject surface form:
Icahn Stadium