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SEC Form 13F Holdings Crawler - SEC EDGAR 13F Filings Scraper

A SEC EDGAR 13F scraper that extracts every position from Form 13F-HR institutional holdings filings into structured, row-per-holding data. One row per security held, with CUSIP, issuer, shares, USD value, voting authority, and put/call flags. Use it as an institutional ownership database, a hedge fund holdings tracker, or a 13F filings lookup by filer, ticker, or CUSIP.

Every U.S. institutional investment manager with discretion over $100M or more in 13(f) securities must file a Form 13F-HR with the SEC within 45 days of each quarter's end. This actor parses the filed Information Table XML into clean tabular data — no HTML scraping, no anti-bot hoops, no API keys.

Features

• Four query modes — track a hedge fund (by_filer), see who owns a stock (by_ticker), search by explicit security ID (by_cusip), or sweep every 13F-HR for a quarter (by_period).
• Row-per-holding output — each dataset record is one position. Pivot, aggregate, or join downstream.
• Ticker guessing — best-effort CUSIP-to-ticker resolution via SEC's public ticker map (company_tickers.json). Blank when not resolvable.
• Value normalization — SEC changed the "value" field from thousands-of-dollars to whole-dollars for period-of-report 2022-12-31 onward. This actor normalizes both eras to whole USD.
• Amendment aware — optionally include 13F-HR/A amendments (off by default, since amendments typically supersede originals for specific positions only).
• No proxy, no auth — uses documented SEC EDGAR endpoints with a compliant User-Agent. Rate-limited to stay well under SEC's 10-req/sec fair-access policy.

Input

Example Inputs

Track Berkshire Hathaway's most recent holdings:

{
"mode":"by_filer",
"filerCiks":["0001067983"],
"maxItems":200
}

Track multiple funds by name:

{
"mode":"by_filer",
"filerNames":["Bridgewater Associates","Renaissance Technologies"],
"quarters":["2025Q4"],
"maxItems":500
}

Find who owns Apple:

{
"mode":"by_cusip",
"cusips":["037833100"],
"quarters":["2025Q4"],
"maxItems":500
}

Sweep all 13F-HR filings for a quarter:

{
"mode":"by_period",
"quarters":["2025Q4"],
"maxItems":2000
}

Output

Every record is a single 13F holding.

{
"accession_number":"0001193125-26-054580",
"filing_date":"2026-02-17",
"period_of_report":"2025-12-31",
"filer_name":"Berkshire Hathaway Inc",
"filer_cik":"0001067983",
"filer_type":"13F HOLDINGS REPORT",
"issuer_name":"APPLE INC",
"cusip":"037833100",
"ticker_guess":"AAPL",
"class_title":"COM",
"value_usd":74990132000,
"shares_or_principal":300000000,
"shares_or_principal_type":"SH",
"put_call":"",
"investment_discretion":"DFND",
"voting_authority_sole":300000000,
"voting_authority_shared":0,
"voting_authority_none":0,
"quarter":"2025Q4"
}

Field Reference

Use Cases

• 13F portfolio cloning — replicate hedge fund positions for your own portfolio
• Ownership analysis — identify which funds hold a given stock and how concentrations are changing
• Quarter-over-quarter diffs — detect new positions and exits across managers
• Fund research — see a manager's full portfolio at any quarter-end since 2013
• Compliance — audit institutional ownership for regulatory or fund-of-funds research

Data Sources (SEC EDGAR API)

This actor combines three documented SEC EDGAR endpoints:

1. Company submissions API — https://data.sec.gov/submissions/CIK{10-digit}.json for per-CIK filing history.
2. Full-text filing search — https://efts.sec.gov/LATEST/search-index for searching by ticker, CUSIP, entity name, or date range.
3. Filing archive — https://www.sec.gov/Archives/edgar/data/{cik}/{acc}/ for raw primary_doc.xml and Information Table XML.

No authentication required. Respects SEC's fair-access policy (10 req/sec with a descriptive User-Agent).

Limitations

• ticker_guess is best-effort — SEC does not publish a free CUSIP-to-ticker database, so ticker resolution is done by fuzzy name matching against company_tickers.json. It is accurate for household-name issuers but blank for bonds, warrants, illiquid securities, and many foreign ADRs.
• EFTS hard cap of 10,000 hits per query — for by_period sweeps covering an entire quarter of ~9,000 filers, split by date range or use by_filer bucketing.
• value_usd pre-2023 — filings with period_of_report before 2022-12-31 report values in thousands; this actor multiplies those by 1,000 for consistency. Verify against the raw Information Table if auditing old filings.
• 13F-HR/A amendments — optional (includeAmendments: true). Amendments often restate only specific rows; combine with originals carefully when doing time-series analysis.

FAQ

How do I find which hedge funds own a specific stock?

Run by_cusip (or by_ticker) mode with the security's 9-character CUSIP. The actor returns one row per institutional manager holding that stock for the quarter, with shares and USD value, drawn from SEC EDGAR 13F filings.

Need More Features?

If you'd like to add new data fields, CUSIP-to-ticker resolution via a paid feed, or custom output formats, please get in touch — we build custom versions on request.