Index onlineMerchant portal
Api Endpoint

2s

Parsed institutional holdings from a 13F-HR filing. By investment-manager CIK (e.g. 1067983 = Berkshire Hathaway). Returns each holding's nameOfIssuer, cusip, market value (whole USD per the modern Form 13F convention), shares/principal amount + type, putCall flag for options, and voting authority (sole/shared/none). Sorted by value descending. Pass formType for amendments (13F-HR/A) or non-filings (13F-NT). Backed by SEC.gov; underlying 13F filings are public records.

Open interactive test console

Offering

Provider
2s.io
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://2s.io/api/finance/thirteen-f
MIME type
application/json
First seen
2026-10-16T01:54:06.400Z
Last seen
Tags
public-records, identifiers, AI-agents, us-gov-data, X402, upto-billing, ai-gateway, agent-infrastructure

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.018 USDC
Atomic price: 18000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.018 USDC
Atomic price: 18000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "18000",
    "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "18000",
    "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn"
  }
]

Observed health

Status
Healthy
Latest latency
101 ms
Average latency
359 ms
HTTP status
402
Last checked
Reachability
100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "const": "http"
    },
    "method": {
      "const": "GET"
    },
    "queryParams": {
      "properties": {
        "managerCik": {
          "type": "string",
          "description": "Investment manager CIK (numeric). Berkshire=1067983, Renaissance=1037389, Vanguard=102909."
        },
        "formType": {
          "type": "string",
          "description": "13F variant. Default 13F-HR; 13F-HR/A for amendments, 13F-NT for non-filings.",
          "default": "13F-HR"
        },
        "limit": {
          "type": "integer",
          "minimum": 1,
          "maximum": 200,
          "default": 25,
          "description": "Max holdings, sorted by value descending."
        }
      },
      "required": [
        "managerCik"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "queryParams"
  ]
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "const": "http"
        },
        "method": {
          "const": "GET"
        },
        "queryParams": {
          "properties": {
            "managerCik": {
              "type": "string",
              "description": "Investment manager CIK (numeric). Berkshire=1067983, Renaissance=1037389, Vanguard=102909."
            },
            "formType": {
              "type": "string",
              "description": "13F variant. Default 13F-HR; 13F-HR/A for amendments, 13F-NT for non-filings.",
              "default": "13F-HR"
            },
            "limit": {
              "type": "integer",
              "minimum": 1,
              "maximum": 200,
              "default": 25,
              "description": "Max holdings, sorted by value descending."
            }
          },
          "required": [
            "managerCik"
          ]
        }
      },
      "required": [
        "type",
        "method",
        "queryParams"
      ]
    }
  },
  "required": [
    "input"
  ]
}