latestOpenAPI 3.0.02026-08-2010141507.9 KB

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Ownership

Share classes

Stock Pro

Returns share class information including outstanding and authorized shares, extracted from SEC filings.

get/api/ownership/share-classes

Query parameters

symbolstring

Stock ticker symbol. Identify the entity by exactly one of: symbol, cik, cusip, composite_figi, or share_class_figi. At least one is required.

cikinteger

SEC Central Index Key (CIK).

cusipstring

CUSIP identifier (9 characters).

composite_figistring

Composite OpenFIGI identifier.

share_class_figistring

Share-class OpenFIGI identifier.

Response

List of share classes ordered by shares outstanding (descending)

classNamestring

Name of the share class

classMemberstring

XBRL class member identifier

sharesOutstandingnumber nullable

Number of shares outstanding

sharesAuthorizednumber nullable

Number of shares authorized

periodEndstring nullable

Period end date (YYYY-MM-DD)

yearinteger nullable

Fiscal year

fpstring nullable

Filing period (FY, Q1, Q2, Q3)

Example response

[
  {
    "className": "Class A",
    "classMember": "us-gaap:CommonClassAMember",
    "sharesOutstanding": 307955000,
    "sharesAuthorized": 1500000000,
    "periodEnd": "2025-12-31",
    "year": 2025,
    "fp": "FY"
  }
]