MMC
E270235
human resources consulting firm
insurance brokerage
management consulting firm
professional services firm
public company
reinsurance brokerage
stock ticker symbol
MMC is the stock ticker symbol for Marsh & McLennan Companies, a global professional services firm specializing in risk, strategy, and insurance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MMC canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2480023 — 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: MMC Context triple: [Marsh & McLennan, shortName, MMC]
-
A.
MM
MM is a post-nominal abbreviation indicating that a person has been awarded the Military Medal for bravery in battle.
-
B.
MC
MC is the postnominal abbreviation used to denote recipients of the Military Cross, a British military decoration awarded for gallantry during active operations against the enemy.
-
C.
MC
MC is the official abbreviation for NATO’s highest military authority, the NATO Military Committee.
-
D.
.mc
.mc is the country code top-level domain (ccTLD) assigned to the Principality of Monaco for use in its internet addresses.
-
E.
CM
CM is the post-nominal letters used to denote a Member of the Order of Canada, one of the country’s highest civilian honors.
- 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: MMC Target entity description: MMC is the stock ticker symbol for Marsh & McLennan Companies, a global professional services firm specializing in risk, strategy, and insurance.
-
A.
MM
MM is a post-nominal abbreviation indicating that a person has been awarded the Military Medal for bravery in battle.
-
B.
MC
MC is the official abbreviation for NATO’s highest military authority, the NATO Military Committee.
-
C.
MC
MC is the postnominal abbreviation used to denote recipients of the Military Cross, a British military decoration awarded for gallantry during active operations against the enemy.
-
D.
.mc
.mc is the country code top-level domain (ccTLD) assigned to the Principality of Monaco for use in its internet addresses.
-
E.
CM
CM is the post-nominal letters used to denote a Member of the Order of Canada, one of the country’s highest civilian honors.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
human resources consulting firm
ⓘ
insurance brokerage ⓘ management consulting firm ⓘ professional services firm ⓘ public company ⓘ reinsurance brokerage ⓘ stock ticker symbol ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currencyOfListing | USD ⓘ |
| foundedAs | insurance brokerage firm ⓘ |
| globalPresence | operates in multiple countries ⓘ |
| hasAbbreviation | MMC self-linksurface differs ⓘ |
| hasBusinessSegment |
Guy Carpenter
ⓘ
Marsh ⓘ Mercer ⓘ Oliver Wyman ⓘ |
| hasCUSIP | 571748102 ⓘ |
| hasISIN | US5717481023 ⓘ |
| headquartersLocation | New York City ⓘ |
| industry |
consulting
ⓘ
insurance brokerage ⓘ reinsurance brokerage ⓘ risk management ⓘ |
| listedOn | New York Stock Exchange ⓘ |
| providesService |
actuarial services
ⓘ
benefits consulting ⓘ human capital consulting ⓘ insurance placement ⓘ reinsurance solutions ⓘ risk advisory ⓘ strategy consulting ⓘ wealth management consulting ⓘ |
| refersTo | Marsh & McLennan Companies common stock ⓘ |
| represents |
Marsh & McLennan
ⓘ
surface form:
Marsh & McLennan Companies
|
| sector | financial services ⓘ |
| serves |
corporate clients
ⓘ
government clients ⓘ individual clients ⓘ |
| specializesIn |
insurance
ⓘ
risk ⓘ strategy ⓘ |
| stockTicker | MMC self-linksurface differs ⓘ |
| subsector | insurance brokers ⓘ |
| tickerForExchange | NYSE ⓘ |
| tradedAs | MMC self-linksurface differs ⓘ |
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: MMC Description of subject: MMC is the stock ticker symbol for Marsh & McLennan Companies, a global professional services firm specializing in risk, strategy, and insurance.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Marsh & McLennan Companies
subject surface form:
Marsh & McLennan Companies