Financial DatasetsStock Market DataMarket data

ETF and index-fund holdings

financialdatasets.index-funds

Get an ETF or index fund's holdings and weights, or find funds that hold a US security

Price: $0.02/successAt provider cost
Success rate: —No success-rate data yetNo success-rate data yet
Latency p50: ——
Last verified: Sep 15, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/financialdatasets.index-funds?limit=1&ticker=SPYPreview

Uses platform quota
Synchronous response
Reads public data

Parameters

Supply exactly one of ticker or holding unless continuing with cursor. The response shape depends on the query: ticker returns fund and holdings; holding returns security and funds.

Parameter	Type	Required	Description	Example
Query parameters
`as_of`	string	Optional	YYYY-MM-DD; valid only with ticker; returns the fund composition in effect on or before this date
`limit`	integer	Optional	total rows across all pages; default 50; each response page contains up to 10 rows	`1`
`cursor`	string	Optional	opaque cursor from the response next_page_url; when supplied, omit the original filters because the cursor preserves them
`offset`	integer	Optional	rows to skip; default 0
`ticker`	string	Optional	ETF or index-fund ticker; supply exactly one of ticker or holding. If availability is uncertain, call financialdatasets.index-funds.tickers first	`SPY`
`holding`	string	Optional	US security ticker; supply exactly one of ticker or holding to find funds whose latest filing holds the security
`asset_class`	string	Optional	equity \| bond; valid only with ticker; omit for all holdings

Query parameters
as_ofstringOptional
YYYY-MM-DD; valid only with ticker; returns the fund composition in effect on or before this date
limitintegerOptional
total rows across all pages; default 50; each response page contains up to 10 rows
Example: 1
cursorstringOptional
opaque cursor from the response next_page_url; when supplied, omit the original filters because the cursor preserves them
offsetintegerOptional
rows to skip; default 0
tickerstringOptional
ETF or index-fund ticker; supply exactly one of ticker or holding. If availability is uncertain, call financialdatasets.index-funds.tickers first
Example: SPY
holdingstringOptional
US security ticker; supply exactly one of ticker or holding to find funds whose latest filing holds the security
asset_classstringOptional
equity | bond; valid only with ticker; omit for all holdings

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/financialdatasets.index-funds?limit=1&ticker=SPY' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/financialdatasets.index-funds?limit=1&ticker=SPY",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/financialdatasets.index-funds?limit=1&ticker=SPY", {
  method: "GET",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
  },
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at $0.02/success, including the service fee.