List institutional holders of one issuer from the latest 13F period — manager, v
List institutional holders of one issuer from the latest 13F period — manager, value, shares and put/call, ranked by position size. Query by as-filed issuer name or CUSIP; joins by name/CIK only (no identifier mapping).
Answeringour last check, 2026-09-24
1 of 1checks answered this week
316 msmedian answer time
$0.02listed price per call
$0.02price 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://answerpool.io/v1/sec/13f/holders
| Category | Everything else |
|---|---|
| Provider host | answerpool.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 316 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"issuer": "NVIDIA"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"cusip": {
"anyOf": [
{
"maxLength": 9,
"minLength": 9,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Cusip"
},
"issuer": {
"anyOf": [
{
"maxLength": 80,
"minLength": 2,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Issuer name prefix as filed, e.g. NVIDIA",
"title": "Issuer"
},
"limit": {
"default": 25,
"maximum": 100,
"minimum": 1,
"title": "Limit",
"type": "integer"
}
},
"title": "HoldersIn",
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"as_of": {
"title": "As Of",
"type": "string"
},
"count": {
"title": "Count",
"type": "integer"
},
"disclaimer": {
"default": "From SEC Form 13F filings (public domain), reported quarterly with a filing lag; identifiers served as filed. Not investment advice.",
"title": "Disclaimer",
"type": "string"
},
"holders": {
"items": {
"properties": {
"accession": {
"title": "Accession",
"type": "string"
},
"cusip": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Cusip"
},
"issuer": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Issuer"
},
"manager_cik": {
"title": "Manager Cik",
"type": "string"
},
"manager_name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Manager Name"
},
"put_call": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Put Call"
},
"shares": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Shares"
},
"value_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Value Usd"
}
},
"required": [
"manager_cik",
"manager_name",
"value_usd",
"shares",
"put_call",
"issuer",
"cusip",
"accession"
],
"title": "HolderRow",
"type": "object"
},
"title": "Holders",
"type": "array"
},
"method_id": {
"default": "sec_events_rules_v1",
"title": "Method Id",
"type": "string"
},
"period": {
"title": "Period",
"type": "string"
},
"periods_held": {
"items": {
"type": "string"
},
"title": "Periods Held",
"type": "array"
}
},
"required": [
"as_of",
"periods_held",
"period",
"count",
"holders"
],
"title": "HoldersOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}