ETF Holdings Tracker

Track ETF constituents and weights from SEC EDGAR, parsed into clean JSON. Built for analysts, funds, fintech builders and AI agents. Factual public SEC/EDGAR data — not financial or investment advice. Not affiliated with the U.S. SEC.

📊 What you get

Clean JSON, one record per holding. Key fields (full output has 15 fields):

• shares_held — Shares / amount
• market_value_usd — USD value
• as_of_date — Detection / fetch timestamp Every record carries a direct sec.gov source link.

Pricing: $0.10 per holding (Pay-Per-Event) — about 10 holdings per $1.

🤖 Use with AI agents

Structured, source-linked SEC data built for LLM and agent pipelines — point Claude, the OpenAI Agents SDK, an n8n flow or any MCP-aware client at it and pull ETF constituents and weights on demand.

Sample agent prompt:

List the top 20 holdings and weights for an ETF as JSON.

Agentic payments (x402): Supports agentic payment via x402 — agents can call this actor with USDC, no API key required.

⏰ Run on a schedule

The recurring frame is the point — schedule a daily or weekly pull:

{
  "limit": 50
}

🔗 Related SEC actors

More holdings trackers: 13F Tracker Pro, 13F Delta Tracker, N-PORT Holdings, N-PORT-P Holdings

Agent front doors: SEC Corporate Events MCP, Regulatory Filings MCP

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Data parsed from public SEC EDGAR filings. Factual public SEC/EDGAR data — not financial or investment advice. Not affiliated with the U.S. SEC.

Run this on a schedule (monitor mode)

Set monitor_new_only: true and a unique monitor_key. Each scheduled run then emits only holdings not seen before for that key (new positions), billed only for those.

1. Open the actor → Schedules → Create new schedule.
2. Set monitor_new_only: true and monitor_key to a unique label.
3. Save. State is isolated per key.

Leave monitor_new_only off for the full holdings snapshot (default).