Funds holding a symbol

GET/api/fund/reverse-lookup

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.

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Query parameters

symbol string optional min length 1 · max length 10

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.

Example: SPY
cik integer optional

SEC Central Index Key (CIK).

Example: 884394
cusip string optional min length 9 · max length 9

CUSIP identifier (9 characters).
composite_figi string optional

Composite OpenFIGI identifier.

Example: BBG000BDTBL9
share_class_figi string optional

Share-class OpenFIGI identifier.
page integer optional min 1 · max 1000 · default 1

Page number (1-indexed)

Example: 1
pageSize integer optional min 1 · max 1000 · default 50

Results per page

Example: 50

Example request

curl 'https://api.stockfit.io/v1/api/fund/reverse-lookup?symbol=SPY&cik=884394&composite_figi=BBG000BDTBL9&page=1&pageSize=50' \
  -H 'Authorization: Bearer YOUR_API_TOKEN'

Responses

200 OK

Paginated list of ETFs/funds holding the stock

Response schema

page integer
Current page number
pageSize integer
Results per page
totalPages integer
Total number of pages
totalResults integer
Total number of funds holding the symbol
data array of object
array of:
- fundName string
  Name of the fund
- fundTicker string | null
  Ticker symbol of the fund
- fundCik integer
  SEC CIK of the fund
- fundSeriesId integer
  Series ID of the fund
- valueUsd number
  Market value of the position (USD)
- pctVal number
  Position as percentage of fund net assets
- balance number
  Number of shares held
- reportDate string
  Report date of the N-PORT filing (YYYY-MM-DD)
- fundNetAssets number | null
  Total net assets of the fund (USD)

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
    }
  ]
}

400 Bad Request

Invalid parameters or symbol not found

Response schema

error string
Human-readable error message

Example response

{}

403 Forbidden

Feature not available on current plan

Response schema

error string
Human-readable error message

Example response

{}