---
title: "Institution Holdings"
method: GET
path: "/v1/institutions/{filer_cik}"
tags: ["sec-filings"]
---

# Institution Holdings

`GET /v1/institutions/{filer_cik}`

## Request

- Base URL: `https://api.optionwhales.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.optionwhales.io/v1/institutions/{filer_cik}`
- Auth: none declared

SEC 13F-HR institutional holdings for a filer (by SEC CIK) — issuer, CUSIP,
shares, market value, voting authority (Pro+). 13F is filer-centric (no ticker
filter upstream); quarterly, ~45-day lag.

## Path parameters

- `filer_cik` string, required

## Query parameters

- `limit` integer: Holdings (latest filing first)

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api.md) · [All operations](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api/llms.txt) · [OpenAPI document](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api/revisions/e76bc0d3a770?raw)