You can access the ETF Holdings Tracker — Daily Constituents & Weights API programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {
9    "etf_symbols": [
10        "SPY",
11        "QQQ",
12        "VTI",
13    ],
14    "limit": 1000,
15    "max_holdings_per_etf": 25,
16    "min_weight_pct": 0,
17    "country": "all",
18    "issuer": "all",
19}
20
21# Run the Actor and wait for it to finish
22run = client.actor("nexgendata/etf-holdings-tracker").call(run_input=run_input)
23
24# Fetch and print Actor results from the run's dataset (if there are any)
25print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
26for item in client.dataset(run.default_dataset_id).iterate_items():
27    print(item)
28
29# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

ETF Holdings Download — Constituents, Weights & Shares API in Python

The Apify API client for Python is the official library that allows you to use ETF Holdings Tracker — Daily Constituents & Weights API API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

ETF Holdings Tracker — Daily Constituents & Weights API API in JavaScript

ETF Holdings Tracker — Daily Constituents & Weights API API through CLI

ETF Holdings Tracker — Daily Constituents & Weights API OpenAPI definition

ETF Holdings Tracker — Daily Constituents & Weights API API

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