Oppenheimer & Co.
E1091624
UNEXPLORED
Oppenheimer & Co. is a U.S.-based investment bank and financial services firm known for its brokerage, wealth management, and capital markets activities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Oppenheimer & Co. canonical | 2 |
| A.G. Edwards & Sons | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14303443 — 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: Oppenheimer & Co. Context triple: [Leon Levy, coFounded, Oppenheimer & Co.]
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A.
Cantor Fitzgerald
Cantor Fitzgerald is a New York–based financial services firm and brokerage known for its bond trading operations and for suffering devastating losses in the September 11, 2001 attacks.
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B.
Brown Brothers Harriman & Co.
Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
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C.
Salomon Brothers
Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
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D.
Guggenheim Securities
Guggenheim Securities is the investment banking and capital markets arm of Guggenheim Partners, providing advisory, financing, and related financial services to corporate and institutional clients.
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E.
Kuhn, Loeb & Co.
Kuhn, Loeb & Co. was a prominent New York investment bank of the late 19th and early 20th centuries, influential in U.S. railroad finance and the development of modern American banking.
- 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: Oppenheimer & Co. Target entity description: Oppenheimer & Co. is a U.S.-based investment bank and financial services firm known for its brokerage, wealth management, and capital markets activities.
-
A.
Cantor Fitzgerald
Cantor Fitzgerald is a New York–based financial services firm and brokerage known for its bond trading operations and for suffering devastating losses in the September 11, 2001 attacks.
-
B.
Brown Brothers Harriman & Co.
Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
-
C.
Salomon Brothers
Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
-
D.
Guggenheim Securities
Guggenheim Securities is the investment banking and capital markets arm of Guggenheim Partners, providing advisory, financing, and related financial services to corporate and institutional clients.
-
E.
Kuhn, Loeb & Co.
Kuhn, Loeb & Co. was a prominent New York investment bank of the late 19th and early 20th centuries, influential in U.S. railroad finance and the development of modern American banking.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Oppenheimer & Co.