David Einhorn
E1026084
David Einhorn is an American hedge fund manager and prominent value investor best known for running the long-short fund Greenlight Capital and for his high-profile short-selling campaigns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| David Einhorn canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13112878 — 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: David Einhorn Context triple: [Greenlight Capital, founder, David Einhorn]
-
A.
David Einhorn
David Einhorn was a 19th-century German-American rabbi and theologian who became a leading early architect and outspoken advocate of Reform Judaism in the United States.
-
B.
Bill Ackman
Bill Ackman is an American billionaire hedge fund manager and activist investor best known as the founder and CEO of Pershing Square Capital Management.
-
C.
Michael Burry
Michael Burry is an American investor and hedge fund manager best known for predicting and profiting from the U.S. housing market collapse before the 2008 financial crisis.
-
D.
Steve Cohen
Steve Cohen is an American billionaire hedge fund manager and philanthropist who owns the New York Mets Major League Baseball team.
-
E.
Steven Cohen
Steven Cohen is a film editor known for his work on various feature films, including the drama "Rambling Rose."
- 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: David Einhorn Target entity description: David Einhorn is an American hedge fund manager and prominent value investor best known for running the long-short fund Greenlight Capital and for his high-profile short-selling campaigns.
-
A.
David Einhorn
David Einhorn was a 19th-century German-American rabbi and theologian who became a leading early architect and outspoken advocate of Reform Judaism in the United States.
-
B.
Bill Ackman
Bill Ackman is an American billionaire hedge fund manager and activist investor best known as the founder and CEO of Pershing Square Capital Management.
-
C.
Michael Burry
Michael Burry is an American investor and hedge fund manager best known for predicting and profiting from the U.S. housing market collapse before the 2008 financial crisis.
-
D.
Steve Cohen
Steve Cohen is an American billionaire hedge fund manager and philanthropist who owns the New York Mets Major League Baseball team.
-
E.
Steven Cohen
Steven Cohen is a film editor known for his work on various feature films, including the drama "Rambling Rose."
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
hedge fund manager
ⓘ
human ⓘ value investor ⓘ |
| awardReceived | Institutional Investor Alpha Hedge Fund Manager awards NERFINISHED ⓘ |
| basedIn | New York City ⓘ |
| businessModel | hedge fund with long-short equity strategy ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Cornell University
ⓘ
Cornell University College of Arts and Sciences NERFINISHED ⓘ |
| employer | Greenlight Capital NERFINISHED ⓘ |
| fieldOfWork |
finance
ⓘ
investment management ⓘ value investing ⓘ |
| founded | Greenlight Capital NERFINISHED ⓘ |
| genre | value investing (investment style) ⓘ |
| hasWritten | "Fooling Some of the People All of the Time" NERFINISHED ⓘ |
| investmentStrategy |
long-short equity
ⓘ
short selling overvalued companies ⓘ value-oriented investing ⓘ |
| knownFor |
Greenlight Capital
NERFINISHED
ⓘ
short selling campaigns ⓘ value investing ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | Greenlight Capital NERFINISHED ⓘ |
| name | David Einhorn NERFINISHED ⓘ |
| notableActivity |
activist-style investing in selected positions
ⓘ
public criticism of certain financial institutions ⓘ |
| notableFor |
high-profile short-selling theses
ⓘ
public presentations at investment conferences ⓘ |
| notableIdea |
advocacy of shareholder rights
ⓘ
criticism of aggressive accounting ⓘ focus on downside risk in value investing ⓘ |
| notableShort |
Allied Capital
NERFINISHED
ⓘ
Allied Capital accounting practices ⓘ Green Mountain Coffee Roasters NERFINISHED ⓘ Lehman Brothers NERFINISHED ⓘ Lehman Brothers balance sheet ⓘ |
| notableWork |
Greenlight Capital investment letters
NERFINISHED
ⓘ
book "Fooling Some of the People All of the Time" NERFINISHED ⓘ |
| occupation |
hedge fund manager
ⓘ
investor ⓘ philanthropist ⓘ |
| philanthropy |
donations to charitable organizations
ⓘ
donations to educational causes ⓘ |
| positionHeld |
founder of Greenlight Capital
ⓘ
president of Greenlight Capital NERFINISHED ⓘ |
| residence | New York City ⓘ |
| spouse | Cheryl Strauss Einhorn NERFINISHED ⓘ |
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: David Einhorn Description of subject: David Einhorn is an American hedge fund manager and prominent value investor best known for running the long-short fund Greenlight Capital and for his high-profile short-selling campaigns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Greenlight Capital