latestOpenAPI 3.0.02026-08-2010141507.9 KB

3d5897270d8a

ETF/MF

Funds holding a symbol

Returns a paginated list of ETFs and mutual funds that hold the specified symbol in their portfolio, based on the most recent N-PORT filings. Accepts any symbol type — stocks, ETFs, and mutual funds (fund-of-funds structures are supported). Sorted by position value descending.

get/api/fund/reverse-lookup

Query parameters

symbolstring

Fund ticker symbol (ETF or mutual fund). 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.

pageinteger

Page number (1-indexed)

pageSizeinteger

Results per page

Response

Paginated list of ETFs/funds holding the stock

pageinteger

Current page number

pageSizeinteger

Results per page

totalPagesinteger

Total number of pages

totalResultsinteger

Total number of funds holding the symbol

Example response

{
  "page": 1,
  "pageSize": 50,
  "totalPages": 12,
  "totalResults": 573,
  "data": [
    {
      "fundName": "VANGUARD TOTAL STOCK MARKET INDEX FUND",
      "fundTicker": "VTSMX",
      "fundCik": 36405,
      "fundSeriesId": 2848,
      "valueUsd": 126245057639.88,
      "pctVal": 6.134426855446,
      "balance": 464375258,
      "reportDate": "2025-12-31",
      "fundNetAssets": 2057976411077
    }
  ]
}