ETFs

ETF Asset Class Breakdown

GET/v2/etfs/asset-class-breakdown

Returns asset-class allocation percentages based on holdings, including recursive look-through of underlying funds and ETFs. Preserves signed weights and reports missing or unclassified exposure as unknown.

Included in: Pro, Growth.

Authentication

Send your API key in the x-api-key header on every request to https://api.bavest.co. The samples read it from the BAVEST_API_KEY environment variable. Get an API key · Authentication guide

Parameters

Optional, at most one of symbol, isin, cusip, for example isin=IE00B4L5Y983.

Name	In	Type	Required	Description
symbol	query	string	no (at most one of symbol, isin, cusip)	ETF ticker symbol (e.g., `IWDA.AS`). Provide exactly one of symbol or isin; clear the ISIN example before using a symbol.
isin	query	string	no (at most one of symbol, isin, cusip)	ETF ISIN code (e.g., `IE00B4L5Y983`, iShares Core MSCI World UCITS ETF). Provide exactly one of symbol or isin. Example `IE00B4L5Y983`
cusip	query	string	no (at most one of symbol, isin, cusip)	CUSIP code (e.g., `037833100`). Provide at most one of symbol, isin, or cusip.

Try it

symbol query

ETF ticker symbol (e.g., `IWDA.AS`). Provide exactly one of symbol or isin; clear the ISIN example before using a symbol.

isin query

ETF ISIN code (e.g., `IE00B4L5Y983`, iShares Core MSCI World UCITS ETF). Provide exactly one of symbol or isin.

GET /v2/etfs/asset-class-breakdown?isin=IE00B4L5Y983

API key

Sent only to api.bavest.co for this request; not stored.

Sign in to send Get an API keySends with the key above, or sign in to use your account's key. Each request counts as one API call.

curl 'https://api.bavest.co/v2/etfs/asset-class-breakdown?isin=IE00B4L5Y983' \
  -H "x-api-key: $BAVEST_API_KEY"

Samples read your key from BAVEST_API_KEY and follow the form.

Example response 200

{
  "data": {
    "atDate": "2026-09-30",
    "oldestHoldingsDate": "2026-08-31",
    "assetClassBreakdown": [
      {
        "assetClass": "equity",
        "percent": 72,
        "longPercent": 72,
        "shortPercent": 0
      },
      {
        "assetClass": "fixed_income",
        "percent": 15,
        "longPercent": 15,
        "shortPercent": 0
      },
      {
        "assetClass": "cash_money_market",
        "percent": 0,
        "longPercent": 0,
        "shortPercent": 0
      },
      {
        "assetClass": "commodities",
        "percent": 0,
        "longPercent": 0,
        "shortPercent": 0
      },
      {
        "assetClass": "crypto",
        "percent": 0,
        "longPercent": 0,
        "shortPercent": 0
      },
      {
        "assetClass": "other",
        "percent": 0,
        "longPercent": 0,
        "shortPercent": 0
      },
      {
        "assetClass": "unknown",
        "percent": 13,
        "longPercent": 13,
        "shortPercent": 0
      }
    ]
  }
}

From the docs, not your data. Long lists are cut to 3 items.

Response 200

Holdings-based allocation including explicit unknown weight. · application/json

dataobject
- atDatestring (date) | null
- oldestHoldingsDatestring (date) | null
- assetClassBreakdownarray of objectrequired
metaResponseMeta
Response envelope metadata. Always present on a 200: time is set by core/response.py on every successful response. Errors carry the same block, built by the same code, so a client parses one meta shape whether the call succeeded or failed.
- timeinteger
  Server-side processing time in milliseconds
  Example 17
- parametersobject
  Echo of the request parameters the endpoint resolved

Errors

400Invalid request parameters. Returned when required query parameters are missing, have invalid types, or violate constraints (e.g., providing both symbol and isin when they are mutually exclusive).
401Missing or invalid API key.
404Resource not found.
429Rate limit exceeded. Retry after the `Retry-After` header interval.
500An unexpected error occurred on the server. If the issue persists, contact support with the X-Request-Id header value.
503Bavest cannot read its data store right now. The security may well have data; retry after the `Retry-After` header interval.