US Institutional Holdings

GET /us/institutional-holdings

Call GET /us/institutional-holdings on the Corpus API.

Category: US · ownership

Authentication

Send the provisioned API key in the X-API-KEY header.

Required scopes: us:read.

Request

Name	In	Required	Type	Constraints	Description
accession_number	query	no	string | null	—	—
manager_cik	query	no	string | null	—	—
cusip	query	no	string | null	—	—
start_date	query	no	string (date) | null	—	—
end_date	query	no	string (date) | null	—	—
put_call	query	no	string | null	—	—
as_of	query	no	string | null	—	—
limit	query	no	integer	default 100; min 1; max 1000	—
offset	query	no	integer	default 0; min 0	—

Example request

curl --request GET \
  --url 'https://corpus-api.onera.app/us/institutional-holdings?accession_number=0000320193-25-000079&limit=100' \
  --header "X-API-KEY: ${CORPUS_API_KEY}"

Responses

Status	Description	Content type	Schema
200	Successful Response	application/json	InstitutionalHoldingsResponse
400	Invalid parameter combination	application/json	ErrorResponse
401	Missing or invalid API key	application/json	ErrorResponse
403	Insufficient jurisdiction or scope	application/json	ErrorResponse
404	Unknown resource	application/json	ErrorResponse
422	Request schema validation failed	application/json	ErrorResponse
429	Rate limit exceeded	application/json	ErrorResponse
503	Source content is unavailable or still processing	application/json	ErrorResponse

Representative 200 response

{
  "holdings": [
    {
      "accession_number": "0000320193-25-000079",
      "holding_ordinal": 1,
      "manager_cik": "string",
      "knowledge_time": "2025-12-31T23:59:59Z",
      "report_date": "2025-12-31",
      "issuer_name": "string",
      "class_title": "string",
      "cusip": "string",
      "value_thousands_usd": 1,
      "value_reported": 1,
      "value_unit": "USD",
      "value_usd": 1,
      "shares_or_principal": 1,
      "shares_or_principal_type": "string",
      "put_call": "string",
      "investment_discretion": "string",
      "other_manager": "string",
      "voting_sole": 1,
      "voting_shared": 1,
      "voting_none": 1,
      "source_id": "sec_edgar"
    }
  ],
  "meta": {
    "jurisdiction": "US",
    "count": 1,
    "limit": 10,
    "offset": 0,
    "next_offset": null,
    "as_of": "2025-12-31T23:59:59Z",
    "normalization_version": "string",
    "provenance": {}
  }
}