GET

/funds/{cik}

1 cr

Full profile for one fund by SEC CIK: legal name, book size, the managers behind it, and the chronological 13F filing history (each with its accession number and reported value).

Request#

bash

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/funds/1067983"

Parameters#

Parameter	In	Type	Description
`cik`req	path	string	SEC Central Index Key

Example response#

json

{
  "data": {
    "cik": "1067983",
    "name": "BERKSHIRE HATHAWAY INC",
    "aum_cents": "25800000000000",
    "holdings_count": 42,
    "managers": [{ "name": "Warren Buffett", "role": "Chairman", "start_year": 1965 }],
    "filings": [
      {
        "accession_number": "0001067983-26-000012",
        "form_type": "13F-HR",
        "quarter_end": "2026-03-31",
        "year": 2026, "quarter": 1,
        "total_value_cents": "25800000000000",
        "holdings_count": 42
      }
    ]
  }
}

MCP equivalent: fund.list. The full agent surface lives on the MCP server.

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/funds

/funds/{cik}/holdings