SEC EDGAR 13F Institutional Holdings Scraper

Scrape official SEC EDGAR data to track what the world's largest institutional investors own. Pulls quarterly 13F filings directly from sec.gov — no authentication, no proxy, no third-party site required.

Covers Berkshire Hathaway, Vanguard, BlackRock, Fidelity, Goldman Sachs, Morgan Stanley, and 400+ other major institutions. Parses the actual InfoTable.xml from EDGAR filings for holdings data.

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What It Does

• topFilers — Fetch the 18 largest institutional investors' most recent 13F filings (CIKs hardcoded for reliability)
• filerSearch — Search any institution by name via EDGAR's full-text search
• filerHoldings — Get the full list of stocks held by any institution (by CIK), parsed from the raw SEC InfoTable XML

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Input

Field	Type	Default	Description
mode	select	topFilers	Which data to fetch (see modes above)
cik	string	—	SEC CIK number — required for filerHoldings (e.g. 1067983 for Berkshire)
searchQuery	string	—	Company name — required for filerSearch (e.g. BlackRock)
maxItems	integer	20	Maximum records to return (1–200)

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Output

topFilers / filerSearch

{
  "filerName": "BERKSHIRE HATHAWAY INC",
  "cik": "0001067983",
  "latestFilingDate": "2025-02-14",
  "reportPeriod": "2024-12-31",
  "accessionNo": "0001067983-25-000001",
  "filingUrl": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1067983&type=13F-HR&dateb=&owner=include&count=1",
  "dataSource": "sec.gov",
  "recordType": "filer",
  "scrapedAt": "2025-06-11T10:00:00+00:00"
}

filerHoldings

{
  "filerName": "BERKSHIRE HATHAWAY INC",
  "cik": "0001067983",
  "reportPeriod": "2024-12-31",
  "issuerName": "APPLE INC",
  "titleOfClass": "COM",
  "cusip": "037833100",
  "valueThousands": 174511977,
  "shares": 915560382,
  "shareType": "SH",
  "investmentDiscretion": "SOLE",
  "dataSource": "sec.gov",
  "recordType": "holding",
  "scrapedAt": "2025-06-11T10:00:00+00:00"
}

Output Fields

Field	Description
filerName	Institution name as registered with SEC
cik	10-digit SEC CIK (zero-padded)
latestFilingDate	Date the 13F-HR was filed
reportPeriod	Quarter end date covered by the filing
accessionNo	EDGAR accession number (with dashes)
filingUrl	Direct link to the filing on SEC.gov
issuerName	Stock/issuer name (holdings mode)
titleOfClass	Share class e.g. COM, SHS (holdings mode)
cusip	CUSIP identifier (holdings mode)
valueThousands	Market value in thousands of USD (holdings mode)
shares	Number of shares held (holdings mode)
shareType	SH (shares) or PRN (principal amount)
investmentDiscretion	SOLE, SHARED, or OTHER
dataSource	Always sec.gov

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Example Inputs

Get top 18 institutional filers

{"mode": "topFilers", "maxItems": 18}

Search for Fidelity filers

{"mode": "filerSearch", "searchQuery": "Fidelity", "maxItems": 10}

Get Berkshire Hathaway's full portfolio

{"mode": "filerHoldings", "cik": "1067983", "maxItems": 100}

Get Vanguard's full portfolio

{"mode": "filerHoldings", "cik": "102909", "maxItems": 100}

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Data Source

All data comes directly from the U.S. Securities and Exchange Commission (SEC) via:

• https://data.sec.gov/submissions/ — institution metadata and filing history
• https://efts.sec.gov/LATEST/search-index — full-text filing search
• https://www.sec.gov/Archives/edgar/data/ — raw filing documents (InfoTable.xml)

13F filings are required quarterly for institutions managing over $100M in US equities. Data is updated shortly after each filing deadline (45 days after quarter end).

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FAQ

Q: Do I need API keys or login? A: No. SEC EDGAR is a public database, freely accessible without authentication.

Q: Does this require a proxy? A: No. SEC.gov does not block datacenter IPs.

Q: How fresh is the data? A: The most recent quarterly filing is always used. 13F filings are due 45 days after each quarter end (mid-February, mid-May, mid-August, mid-November).

Q: What is a CIK? A: The Central Index Key is the SEC's unique identifier for each registered entity. Find it at sec.gov/cgi-bin/browse-edgar.

Q: What does valueThousands mean? A: The market value is reported in thousands of USD, as per SEC reporting rules. Multiply by 1,000 to get the full dollar value.

Q: Which institutions are in topFilers mode? A: Berkshire Hathaway, Vanguard, BlackRock, State Street, Fidelity, JPMorgan Chase, Goldman Sachs, T. Rowe Price, Morgan Stanley, Capital Group, Invesco, Franklin Templeton, Wellington Management, Northern Trust, BNY Mellon, Dimensional Fund Advisors, American Century, Putnam Investments.