You can access the SEC 13F Portfolio Change Watch 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 Integrations settings 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    "date": "2026-07-24",
10    "lookback_days": 3,
11    "cik_filter": [],
12    "company_contains": [],
13    "watch_mode": False,
14    "baseline_id": "default",
15    "max_items": 60,
16}
17
18# Run the Actor and wait for it to finish
19run = client.actor("nexgenwatch/us-sec-13f-portfolio-change-watch").call(run_input=run_input)
20
21# Fetch and print Actor results from the run's dataset (if there are any)
22print("💾 Check your data here: https://console.apify.com/storage/datasets/" + run["defaultDatasetId"])
23for item in client.dataset(run["defaultDatasetId"]).iterate_items():
24    print(item)
25
26# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

SEC 13F Portfolio Change Watch API in Python

The Apify API client for Python is the official library that allows you to use SEC 13F Portfolio Change Watch API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

SEC 13F Portfolio Change Watch API in JavaScript

SEC 13F Portfolio Change Watch API through CLI

SEC 13F Portfolio Change Watch OpenAPI definition

SEC 13F Portfolio Change Watch API

SEC 13F Institutional Holdings Change Report

taroyamada/sec-13f-institutional-holdings-change-report

Compare bounded institutional manager watchlists using official SEC EDGAR 13F XML filings. Receive source-linked holding change alerts, descriptive portfolio change reports, and compact exports. No API key or login is required; a descriptive SEC User-Agent is required.

naoki anzai

13F Portfolio Tracker

zinin/thirteen-f-tracker

Track institutional managers (hedge funds, family offices) by SEC CIK or name and get their recent 13F-HR quarterly filings — form, filing date, accession number and an EDGAR link. Official SEC data, free, no API key or login.

Tim Zinin

SEC Form 13F Holdings Scraper - Institutional Portfolio API

pink_comic/sec-form-13f-institutional-holdings

Track hedge fund, RIA, and institutional investment holdings from official SEC EDGAR Form 13F filings. Search managers, issuers, CUSIPs, shares, reported value, put/call positions, discretion, filing dates, and states with source-linked portfolio evidence.

Ava Torres

SEC 13F Hedge Fund Holdings Tracker

straightforward_hydra/sec-13f-hedge-fund-tracker

Track what hedge funds and institutional managers hold, from their quarterly SEC 13F filings. Enter fund names, get every position ranked by value and portfolio weight.

Dev D

SEC Form 13F Tracker Pro — Institutional Holdings API

nexgendata/sec-form-13f-tracker-pro

Track 13F institutional holdings from SEC EDGAR — parsed, source-linked JSON for analysts, funds and AI agents.

NexGenData

SEC 13F Holdings Scraper

parseforge/sec-13f-holdings-scraper

Track what major investment firms are buying, holding, and selling each quarter with clean SEC 13F data. Get holdings, portfolio weights, filer contact details, and filing references in one place so you can monitor market moves, benchmark competitors, and spot trends faster.

ParseForge

SEC 13F Holdings MCP — Institutional Investor Positions

andrew_avina/sec-13f-mcp

SEC 13F Holdings MCP — Institutional Investor Positions

Andrew Avina

SEC EDGAR MCP Server — Insider Trades, 8-K & 13F

toolstem/toolstem-sec-mcp-server

Insider trading signals, 8-K severity alerts & 13F holdings from SEC EDGAR for AI agents. No API key required.

Toolstem

SEC Form 13F Holdings Crawler - Institutional Portfolio Data

jungle_synthesizer/sec-form-13f-holdings-crawler

Parse every position from SEC Form 13F-HR filings into structured rows: CUSIP, issuer, shares, USD value, voting authority, put/call. Query by filer, ticker, CUSIP, or reporting quarter.