ToolAssay

Returns the latest Form 13F-HR holdings for an institutional investor by CIK or

Returns the latest Form 13F-HR holdings for an institutional investor by CIK or name search. Each holding: issuer, class, CUSIP, value in USD, shares, put/call flag, largest first. Capped at 500 rows. Also returns the total value from the cover page, filing date and reporting period. Source: SEC EDGAR (public domain). EDGAR requests ≤10/s.

Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.004listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://api.sitecheck-api.workers.dev/api/sec/13f

CategorySearch and research
Provider hostapi.sitecheck-api.workers.dev
Networkseip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days2 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "limit": "20",
    "name": "Berkshire Hathaway"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "cik": {
              "description": "Filer CIK number (10-digit, with or without leading zeros)",
              "type": "string"
            },
            "limit": {
              "description": "Max holdings rows to return (1\u2013500, default 100)",
              "type": "string"
            },
            "name": {
              "description": "Filer name to search EDGAR (used when cik is not given; picks the top match)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

This page as JSON