latestOpenAPI 3.0.02026-08-2010141507.9 KB

3d5897270d8a

Symbol Lookup

Search by former company names

Finds companies that previously operated under a different legal name. Useful for tracking corporate rebrandings and name changes (e.g. searching "Facebook" finds Meta Platforms).

get/api/lookup/former-names

Query parameters

searchStringstring required

Search term to match against former company names

limitinteger

Maximum number of results

Response

Matching companies with their current profile and former names

symbolsstring[]

Tickers of the entity's currently active listings, primary first. Positionally aligned with exchanges (symbols[i] trades on exchanges[i]); not deduplicated, so a multi-class issuer lists every class.

exchangesstring[]

Exchange for each ticker in symbols, in the same order. Not deduplicated.

namestring

Company or fund name

cikinteger

SEC Central Index Key

seriesIdinteger

Series ID (0 for stocks, non-zero for ETF/mutual fund series sharing a CIK)

type'stock' | 'etf' | 'mf' | 'cef' | 'fund'

Security type

sectorstring nullable

Business sector derived from SIC code

industrystring nullable

Industry classification derived from SIC code

industryGroupstring nullable

High-value industry group (Semiconductors, Software & SaaS, Pharma & Biotech, Aerospace & Defense, Automotive, Airlines, Oil & Gas, Fintech & Payments). Null if company is not in one of these groups.

compositeFigistring nullable

Bloomberg Composite FIGI

eininteger nullable

Employer Identification Number

formerNamesstring[]

Previous legal names of the company

status'operating' | 'delisted'

Operating status. delisted ONLY when the entity has no active listing left on ANY exchange (it has gone fully dark and no longer trades anywhere we track, including OTC). A company that left a major exchange but still trades over-the-counter reads operating; see priorTickers for the listings it has left behind.

Example response

[
  {
    "symbols": [
      "BRK-B",
      "BRK-A"
    ],
    "exchanges": [
      "NYSE",
      "NYSE"
    ],
    "name": "Apple Inc.",
    "cik": 320193,
    "type": "stock",
    "sector": "Technology",
    "industry": "Consumer Electronics",
    "industryGroup": "Software & SaaS",
    "compositeFigi": "BBG000B9XRY4",
    "ein": 942404110,
    "formerNames": [
      "FACEBOOK INC",
      "THEFACEBOOK INC"
    ],
    "status": "operating",
    "priorTickers": [
      {
        "symbol": "NLST",
        "exchange": "Nasdaq",
        "lastSeen": "2023-09-30"
      }
    ]
  }
]