81trust / 100
Institutional Holdings
by Otto AI in Markets & finance
x402 APIPassing, checked 2 h ago
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.
GET https://x402.ottoai.services/institutional-holdings
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 67 ms typical, 67 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://x402.ottoai.services/institutional-holdings?manager=1067983"import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ottoai.services%2Finstitutional-holdings
const res = await pay("https://x402.ottoai.services/institutional-holdings?manager=1067983");
console.log(await res.json());Example input
{
"manager": "1067983"
}Example output
{
"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"
}Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 244 ms | $0.003 |
| 7 h ago | Passed | 402 | 67 ms | $0.003 |