ETFs

ETF Holdings Top

GET/v2/etfs/holdings/top

Returns top 10 holdings by weight, in the chosen view (display by market value, default; raw by absolute exposure weight).

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

Required: one of symbol, isin, for example isin=IE00B4L5Y983.

Name In Type Required Description

symbol

query

string

one of symbol, isin

Name	In	Type	Required	Description
symbol	query	string	one of symbol, isin	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	one of symbol, isin	ETF ISIN code (e.g., `IE00B4L5Y983`, iShares Core MSCI World UCITS ETF). Provide exactly one of symbol or isin. Example `IE00B4L5Y983`
view	query	string	no	Holdings view. `display` (default) weighs every row by market value, so a fund sums to ~100, with cash, Treasury bills and money market funds as their own rows; swaps and futures (no market value) and negative cash rows are left out. `raw` lists every row and keeps the issuer's exposure weights, so derivatives count at notional (a 3x fund ~300) and swaps list their counterparty. Plain ETFs are the same in both views. Unrecognized values fall back to `display`. One of `display` `raw` Default `display`

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

one of symbol, isin

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

Example IE00B4L5Y983

view

query

string

Holdings view. display (default) weighs every row by market value, so a fund sums to ~100, with cash, Treasury bills and money market funds as their own rows; swaps and futures (no market value) and negative cash rows are left out. raw lists every row and keeps the issuer's exposure weights, so derivatives count at notional (a 3x fund ~300) and swaps list their counterparty. Plain ETFs are the same in both views. Unrecognized values fall back to display.

One of display raw

Default display

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.

view query

Holdings view. `display` (default) weighs every row by market value, so a fund sums to ~100, with cash, Treasury bills and money market funds as their own rows; swaps and futures (no market value) and negative cash rows are left out. `raw` lists every row and keeps the issuer's exposure weights, so derivatives count at notional (a 3x fund ~300) and swaps list their counterparty. Plain ETFs are the same in both views. Unrecognized values fall back to `display`.

GET /v2/etfs/holdings/top?isin=IE00B4L5Y983&view=display

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/holdings/top?isin=IE00B4L5Y983&view=display' \
  -H "x-api-key: $BAVEST_API_KEY"

Samples read your key from BAVEST_API_KEY and follow the form.

Example response 200

{
  "data": {
    "holdings": [
      {
        "symbol": null,
        "cusip": null,
        "name": "NVIDIA",
        "share": null,
        "percent": 5.6408,
        "value": null,
        "isin": null
      },
      {
        "symbol": null,
        "cusip": null,
        "name": "APPLE",
        "share": null,
        "percent": 5.461,
        "value": null,
        "isin": null
      }
    ],
    "atDate": "2026-09-28",
    "symbol": null
  },
  "meta": {
    "parameters": {
      "isin": "IE00B4L5Y983"
    },
    "time": 125
  }
}

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

Response 200

Successful response · application/json

dataobject
- symbolstring | null
  Resolved ETF ticker, echoed from the lookup.
- atDatestring (date)
- holdingsarray of HoldingRecord
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.
502Upstream data provider returned an error or is temporarily unavailable. Retry after a short delay.
503Bavest cannot read its data store right now. The security may well have data; retry after the `Retry-After` header interval.
504The request timed out waiting for a response from the upstream data provider. This may occur for complex queries or during peak load.
defaultAn unexpected error occurred on the server. If the issue persists, contact support with the X-Request-Id header value.