ETF Holdings Tracker — Daily Constituents & Weights API
Pricing
from $100.00 / 1,000 etf holding records
ETF Holdings Tracker — Daily Constituents & Weights API
Track ETF constituents and weights from SEC EDGAR — parsed, source-linked JSON for analysts, funds and AI agents.
Pricing
from $100.00 / 1,000 etf holding records
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Developer
NexGenData
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2
Monthly active users
6 days ago
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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 / amountmarket_value_usd— USD valueas_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:
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:
🔗 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
Data parsed from public SEC EDGAR filings. Factual public SEC/EDGAR data — not financial or investment advice. Not affiliated with the U.S. SEC.
