CIK Lookup
Find any SEC-registered company by CIK number. Free, instant, and updated in real-time.
About CIK Numbers
A CIK (Central Index Key) is a unique 10-digit identifier assigned by the SEC to every company, individual, or entity that files disclosure documents. Unlike ticker symbols, which can change, a CIK number is permanent and never changes throughout a company's lifetime.
CIK numbers are essential for tracking SEC filings in the EDGAR database. They appear in all SEC filings and are used to identify the filer in regulatory documents.
Common Use Cases
Research & Analysis
Identify companies referenced by CIK in financial research, academic papers, or data exports
Developer Tools
Map CIK numbers to company names when working with SEC APIs or building financial applications
Filing Cross-Reference
Look up companies mentioned in exhibits, schedules, or subsidiary lists within SEC filings
Historical Research
Identify companies that no longer exist or have changed names using their permanent CIK
FAQ
What is a CIK number?
A CIK (Central Index Key) is a unique identifier assigned by the SEC to companies, individuals, and entities that file disclosure documents. It's a 10-digit number used to identify filers in the EDGAR system.
How do I find a company's CIK number?
You can find a company's CIK number on any SEC filing, in the company's profile on the SEC's EDGAR database, or by searching for the company on EarningsFeed.
Are CIK numbers the same as ticker symbols?
No. CIK numbers are permanent SEC identifiers that never change, while ticker symbols can change due to corporate actions. A company can have multiple tickers but only one CIK.