latestOpenAPI 3.0.02026-08-2010141507.9 KB

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ETF/MF

Portfolio composition

ETF Pro

Returns a breakdown of the fund's portfolio by asset type, country, issuer type, and top 10 holdings from the most recent N-PORT filing. Useful for understanding portfolio diversification at a glance.

get/api/fund/composition

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.

Response

Portfolio composition breakdown

reportDatestring

Report date of the N-PORT filing

top10Weightnumber

Combined weight of top 10 holdings (%)

Example response

{
  "reportDate": "2025-12-31",
  "assetTypes": [
    {
      "category": "EC",
      "count": 498,
      "weight": 99.82
    }
  ],
  "countries": [
    {
      "category": "US",
      "count": 498,
      "weight": 99.52
    }
  ],
  "issuerTypes": [
    {
      "category": "CORP",
      "count": 498,
      "weight": 99.82
    }
  ],
  "top10": [
    {
      "name": "NVIDIA Corp",
      "cusip": "67066G104",
      "pctVal": 7.75,
      "valueUsd": 55218508208,
      "mappedSymbol": "NVDA"
    }
  ],
  "top10Weight": 36.82
}