---
title: "SEC 13F-HR filers (institutional managers >=$100M AUM)"
method: GET
path: "/api/v1/sec/13f/filers"
tags: ["Hedge Fund Intelligence"]
---

# SEC 13F-HR filers (institutional managers >=$100M AUM)

`GET /api/v1/sec/13f/filers`

List of institutional investment managers that filed Form 13F-HR for the latest reported quarter (Schedule 13F covers managers with $100M+ in qualifying US securities). Sorted by total holdings value descending. Each filer entry has CIK, manager name, CRD (cross-link to W3 SEC ADV), filing date, period, and summary stats (position count, total value). Source: SEC quarterly bulk 13F-HR data sets.

## Query parameters

- `limit` integer
- `offset` integer

## Response `200`

Paginated 13F filers index for the latest quarter.

- EnvelopeSec13fFilersList
  - `data` Sec13fFilersList, required
    - `count` integer, required — Total filers across all pages.
    - `limit` integer, required
    - `offset` integer, required
    - `rows` Sec13fFiler[], required
      - `accession` string, required
      - `cik` string, required — 10-digit zero-padded SEC EDGAR CIK.
      - `manager_name` string, required
      - `filing_date` string, required — SEC filing date 'DD-MMM-YYYY'.
      - `period_of_report` string, required
      - `submission_type` string, required
      - `is_amendment` boolean, required — True if this filing is an amendment (13F-HR/A).
      - `city` string, required
      - `state_or_country` string, required
      - `crd_number` string, required — SEC CRD number; cross-link to W3 SEC ADV.
      - `sec_file_number` string, required
      - `position_count` integer, required — Number of holdings rows in the filing's INFOTABLE.
      - `total_value_usd_thousands` integer, required — Sum of VALUE column across all positions (in $thousands as filed).
      - `summary_total_value_usd_thousands` integer, nullable — SEC-reported TOTAL_REPORTED_VALUE from SUMMARYPAGE.tsv (in $thousands). Null if SUMMARYPAGE row was missing or unparsed for this accession.
      - `confidential_omitted_count` integer, nullable — SEC-reported CONFIDENTIAL_OMITTED_COUNT from SUMMARYPAGE.tsv. Null when SUMMARYPAGE row missing/unparsed - distinguishes known-zero from unknown.
      - `has_confidential` boolean, nullable — True if SUMMARYPAGE indicated confidential treatment requested for any holding (CONFIDENTIAL_OMITTED_COUNT > 0). False = known zero. Null = SUMMARYPAGE unavailable (status unknown).
  - `meta` SugraMeta, required — Metadata attached to every /api/v1/* response envelope.
    - `endpoint` string, required — Requested endpoint path.
    - `data_time` string, required — ISO 8601 UTC timestamp of the source data, not of the request.
    - `response_time` string, required — ISO 8601 UTC timestamp when this response was produced.
    - `provider` string, required — API name and version.
    - `source` string, nullable — Identifier of the primary upstream source used for this response.
    - `attribution` string, nullable — Human-readable attribution mandated by an upstream source (e.g. a securities regulator or self-regulatory organization). Present only on responses whose source requires the owner and source to be clearly identified. Do not remove or alter it when using the response.
    - `fallback_used` boolean, nullable — True when the primary source failed and a fallback produced the data.
    - `fallback_chain` string[], nullable — Ordered list of sources attempted, in the order they were tried.
    - `cached` boolean, nullable — True when this response was served from the internal cache.
    - `stale` boolean, nullable — True when the cached response was returned after the upstream rate-limited or errored. Clients can use this to detect degraded data.

## Other responses

- `401` — Missing or invalid `x-api-key` header.
- `422` — Validation Error
- `429` — Daily rate limit exceeded. Check `X-RateLimit-Reset` for the next window.
- `503` — Upstream source is temporarily unavailable. Retry after a short delay.

---

[API](https://skmtc.net/sugra/apis/sugra-api.md) · [All operations](https://skmtc.net/sugra/apis/sugra-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sugra/sugra-api/revisions/4e2740743eb4/schema)