SEC 13F Whale Watcher

See exactly what any institutional investment manager is holding, straight from their latest SEC 13F-HR filing on EDGAR.

What you get

For every manager CIK you check, this Actor pulls their most recent 13F-HR filing and returns one row per equity position:

• Issuer name, CUSIP, and share class
• Position value (converted to real USD, not the thousands SEC reports)
• Share count and whether it's shares or principal amount
• Put/call flag, investment discretion, and voting authority breakdown (sole/shared/none)
• The report's period date so you know exactly which quarter you're looking at

Why this instead of a 13F tracker site

Most "whale watcher" sites republish 13F data behind a paywall, a delay, or a subscription. This Actor reads straight from data.sec.gov and sec.gov/Archives, so you get the same filing SEC itself publishes, exportable as JSON/CSV/Excel, and pipeable into your own research or alerts.

Who this is for

Retail investors and researchers who want to track what hedge funds, family offices, and asset managers are buying - without paying for a dedicated 13F terminal. Useful as a quarterly scheduled check (13F filings are due 45 days after each quarter-end).

How to use it

1. Add the CIK numbers of the managers you want to track (not stock tickers - 13F filers are institutions, identified by their own SEC CIK). A few well-known ones to get started:
   • 0001067983 - Berkshire Hathaway
   • 0001350694 - Bridgewater Associates
   • 0001167483 - Renaissance Technologies
   • 0001009207 - Soros Fund Management
   • Find any manager's CIK by searching their name at SEC EDGAR company search.
2. Set how many top holdings to return per manager (default 25, ranked by position value).
3. Run it. Each CIK is checked against its latest 13F-HR filing and every qualifying holding is parsed.
4. Schedule it quarterly on Apify to build a running holdings-change log.

Example output

{
  "cik": "0001067983",
  "managerName": "BERKSHIRE HATHAWAY INC",
  "periodOfReport": "2026-06-30",
  "issuerName": "APPLE INC",
  "cusip": "037833100",
  "classOfShares": "COM",
  "valueUsd": 78500000000,
  "shares": 300000000,
  "investmentDiscretion": "SOLE",
  "votingAuthoritySole": 300000000
}

Pricing

Pay-per-event: $0.03 per manager scanned, charged once per CIK regardless of how many holdings are found. Checking 10 managers costs $0.30.

FAQ

Does this need SEC login or an API key? No. SEC EDGAR's data endpoints are public.

What if a CIK isn't a 13F filer? You get a row explaining that, so you can tell "not a 13F filer" apart from "not checked."

How current is the data? 13F-HR filings are due within 45 days of each quarter's end, so holdings are always at least one quarter old - that's an SEC disclosure rule, not a limitation of this Actor.