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mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

13F holdings for any SEC-filing manager (hedge funds, asset managers) by CIK or manager ti

13F holdings for any SEC-filing manager (hedge funds, asset managers) by CIK or manager ticker: latest 13F top 20 positions, amendments applied (hourly snapshot, ~1h correction lag): issuer, CUSIP, value in whole USD, share/principal amount (SH/PRN), put/call flag, reported value, position count. Whale tracking from the primary source. 13F holdings, hedge fund positions, institutional ownership. Public-domain SEC EDGAR. $0.003 per call.

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3000 (raw units)
price
5
calls / 30d
1
unique payers
2026-09-04
updated

Provider

x402.ottoai.services · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "3000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "manager": "1067983"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "amendmentApplied": false,
            "amendmentType": null,
            "caveats": [
              {
                "affects": [
                  "generatedAt"
                ],
                "code": "hourly_snapshot",
                "plain": "This is an hourly snapshot of SEC filings, not a live feed. Freshness is in the response's generatedAt (and the meta envelope's meta.generatedAt)."
              }
            ],
            "confidentialOmitted": false,
            "filedAt": "2026-05-15",
            "generatedAt": "2026-07-10T12:00:00.000Z",
            "manager": {
              "cik": "1067983",
              "name": "BERKSHIRE HATHAWAY INC"
            },
            "methodology": "https://docs.useotto.xyz/acp-swarm/sec-filings-methodology",
            "newerNoticeFiledAt": null,
            "newerNoticeReportDate": null,
            "note": "The stock positions this investment manager reported to the SEC on its most recent quarterly Form 13F.",
            "positionCount": 41,
            "reportDate": "2026-03-31",
            "reportType": "13F HOLDINGS REPORT",
            "topHoldings": [
              {
                "cusip": "037833100",
                "issuer": "APPLE INC",
                "putCall": null,
                "quantity": 300000000,
                "quantityType": "SH",
                "titleOfClass": "COM",
                "valueUsd": 63219884120
              }
            ],
            "totalValueUsd": 284811220450,
            "valuedPositionCount": 41,
            "valuesNormalizedFromThousands": false
          },
          "meta": {
            "degraded": false,
            "generatedAt": "",
            "stalenessSec": 0,
            "validUntil": ""
          },
          "status": "success"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "manager": {
                  "description": "SEC CIK number of the manager (e.g. 1067983 for Berkshire Hathaway), or the ticker of a publicly-listed manager (e.g. BLK)",
                  "type": "string"
                }
              },
              "required": [
                "manager"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
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                "data": {},
                "meta": {
                  "type": "object"
                },
                "reason": {
                  "description": "status=unavailable only; every >=400 is UNCHARGED",
                  "type": "string"
                },
                "status": {
                  "enum": [
                    "success",
                    "unavailable"
                  ],
                  "type": "string"
                }
              },
              "required": [
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              ],
              "type": "object"
            },
            "type": {
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          "type": "object"
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      },
      "required": [
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      "type": "object"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_hc2dhq09"
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "a": {
          "description": "App builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        },
        "s": {
          "description": "Service builder codes",
          "items": {
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "type": "array"
        },
        "w": {
          "description": "Wallet builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        }
      },
      "type": "object"
    }
  },
  "offer-receipt": {
    "info": {
      "offers": [
        {
          "acceptIndex": 0,
          "format": "eip712",
          "payload": {
            "amount": "3000",
            "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "network": "eip155:8453",
            "payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
            "resourceUrl": "https://x402.ottoai.services/institutional-holdings",
            "scheme": "exact",
            "validUntil": 1788526659,
            "version": 1
          },
          "signature": "0x93260ee8a1aa8b0be8ce34db7269687239284d4777b64da7b716ba63ed6faf1f1a032cc39c342402468b90db7baf6777d44b16cb2b63d355c468f3bbdce274f71c"
        },
        {
          "acceptIndex": 1,
          "format": "eip712",
          "payload": {
            "amount": "3000",
            "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
            "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
            "payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
            "resourceUrl": "https://x402.ottoai.services/institutional-holdings",
            "scheme": "exact",
            "validUntil": 1788526659,
            "version": 1
          },
          "signature": "0xe9694f892cc0cecb9cc6619e8560ad0489a969f44fd0210490f3daa445de90be0d7a48799bc24d0d18874f9dafb8f571209aef4200f73d1ac6061a65dd5132ac1b"
        }
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    },
    "schema": {
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      "properties": {
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                  "payTo": {
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                  },
                  "scheme": {
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                  },
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                    "type": "integer"
                  },
                  "version": {
                    "type": "integer"
                  }
                },
                "required": [
                  "version",
                  "resourceUrl",
                  "scheme",
                  "network",
                  "asset",
                  "payTo",
                  "amount"
                ],
                "type": "object"
              },
              "signature": {
                "type": "string"
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          },
          "type": "array"
        }
      },
      "required": [
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      ],
      "type": "object"
    }
  },
  "otto-content-receipt": {}
}

Use it

curl

curl "https://x402.ottoai.services/institutional-holdings"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://x402.ottoai.services/institutional-holdings");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://x402.ottoai.services/institutional-holdings")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/197.json, and this resource appears in /discovery/resources and /discovery/search.