13F holdings for any SEC-filing manager (hedge funds, asset managers) by CIK or manager…
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…
by x402.ottoai.services · discovered, not yet claimed by its owner · updated 2026-10-12
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
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.
Tags: 13f holdings · hedge funds · institutional · whale tracking · sec filings · bazaar · builder-code · offer-receipt · otto-content-receipt
Call contract
- Method
- GET
- Input
- query parameters
- Output
- json
- Last paid call
- 2026-10-12
{
"manager": "1067983"
}{
"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"
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/25887.jsonfor the price and payment options. - Pay. Call
GET https://x402.ottoai.services/institutional-holdings. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, Solana, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.003 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base, Solana
- Demand
- 4 calls · 3 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.003 | 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 | 300s |
| exact | Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | USDC | $0.003 | 6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5 | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"amountUsd": 0.003,
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "3000",
"amountUsd": 0.003,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"properties": {
"data": {},
"meta": {
"type": "object"
},
"reason": {
"description": "status=unavailable only; every >=400 is UNCHARGED",
"type": "string"
},
"status": {
"enum": [
"success",
"unavailable"
],
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"data": null,
"meta": {},
"reason": "string",
"status": "success"
},
"type": "string"
}Examples
curl -X GET 'https://x402.ottoai.services/institutional-holdings'
# -> 402 Payment Required; read PAYMENT-REQUIRED
# retry the identical request with PAYMENT-SIGNATUREconst res = await fetch("https://x402.ottoai.services/institutional-holdings", {
"method": "GET"
});
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}import httpx
res = httpx.request("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 headerDetails
- Provider
- x402.ottoai.services
- Endpoint
- https://x402.ottoai.services/institutional-holdings
- Machine-readable
/resources/25887.json