AnswerPool

13F Top Managers API: Rank institutional managers by total reported 13F value for the latest — SEC Form 13F

Rank institutional managers by total reported 13F value for the latest quarter, optionally by state — CIK, name, positions and totals in one call from primary filings data.

Free — no key, no signup, rate-limited to 60 calls per minute per client.

How do you call it?

GET /v1/sec/13f/top — product id sec_13f_top_managers. Over MCP, call answerpool_get with product_id=sec_13f_top_managers.

curl "https://answerpool.io/v1/sec/13f/top?limit=25"

Live call: https://answerpool.io/v1/sec/13f/top?limit=25 · JSON sample: /v1/samples/sec_13f_top_managers

What does the answer look like?

A representative response, the same static sample served at /v1/samples/sec_13f_top_managers.

as_of2026-08-31T17:00:00Z
periods_held2025-12-31, 2025-09-30
period2025-12-31
count1
refresh_after2026-09-17T11:15:00.000Z

managers

cikmanager_namestateperiodholdings_countvalue_total_usdaccession
0001566307Ramiah Investment GroupWI2025-12-3135149704550001566307-26-000071
The same sample as raw JSON
{
 "as_of": "2026-08-31T17:00:00Z",
 "periods_held": [
  "2025-12-31",
  "2025-09-30"
 ],
 "period": "2025-12-31",
 "count": 1,
 "managers": [
  {
   "cik": "0001566307",
   "manager_name": "Ramiah Investment Group",
   "state": "WI",
   "period": "2025-12-31",
   "holdings_count": 35,
   "value_total_usd": 14970455,
   "accession": "0001566307-26-000071"
  }
 ],
 "refresh_after": "2026-09-17T11:15:00.000Z"
}

How fresh is it, and where does the data come from?

The fastest source behind this answer can change every 15 minutes, so every response carries a refresh_after timestamp — right now it would be 2026-09-17T11:15:00.000Z. Schedule the next call on that value rather than on a guess.

Method version 0.1.0 · serving cache 1 day · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

Market-structure and prospecting questions.

What you skip building

When should you not use it?

AUM — 13F reports covered securities only, not total AUM.

Where else can you find this?