Sec Nport

live Security

SEC Form N-PORT — fund and ETF holdings, asked security-first.

3 tools
0ms auth
free tier 50 calls/day

Tools

nport_fund_owners

Which mutual funds and ETFs hold a given stock or bond, ranked by position size, from SEC Form N-PORT portfolio filings — the reverse of a fund fact sheet, which makes you name the fund first. Give a

No parameters required.

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nport_fund_portfolio

The portfolio a mutual fund or ETF reported to the SEC on Form N-PORT: its largest positions with issuer, value, share or principal count, and percent of net assets. Give the fund or ETF series name (

No parameters required.

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nport_holdings_coverage

Which SEC Form N-PORT releases are loaded, how many funds each carries, the newest reporting period, and what the data does and does not cover. Use this to check how current fund holdings answers are

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/sec-nport/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/sec-nport/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"nport_fund_owners","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("nport_fund_owners", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("sec form n-port — fund and etf holdings, asked security-first");