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URL: https://apify.com/scrapemint/sec-13f-whale-tracker

⇱ SEC 13F Whale Tracker: New Buys, Adds, Trims, Exits · Apify

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SEC 13F Whale Tracker: New Buys, Adds, Trims, Exits

Pricing

Pay per usage

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SEC 13F Whale Tracker: New Buys, Adds, Trims, Exits

Track institutional fund managers' SEC 13F holdings from EDGAR and diff them quarter over quarter. Surfaces new positions, adds, trims, and full exits per manager with position value and portfolio weight. Resolve managers by name or CIK. Official EDGAR APIs, no API keys.

Pricing

Pay per usage

Rating

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(0)

Developer

👁 Ken M

Ken M

Maintained by Community

Actor stats

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Bookmarked

2

Total users

1

Monthly active users

9 days ago

Last modified

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Track what big institutional managers are actually doing with their money. For each fund you name, this actor pulls their latest SEC 13F-HR holdings from EDGAR and diffs them against the prior quarter, so you see the part that matters: the new positions, the adds, the trims, and the full exits, each with position value and portfolio weight.

Anyone can read a holdings list. The quarter-over-quarter change is the signal, and that is what this actor computes for you.

What it does

  1. Resolves each manager you provide. Pass a fund name (resolved to a CIK through EDGAR full text search over 13F filers) or a CIK directly.
  2. Pulls the manager's two most recent 13F-HR filings from EDGAR.
  3. Parses the holdings information table from both quarters and aggregates by CUSIP.
  4. Diffs the quarters and labels every position:
changeTypemeaning
newPosition opened this quarter (was not held last quarter).
increasedMaterially added to.
reducedMaterially trimmed.
unchangedHeld, no material change.
exitedFully sold since last quarter.
currentCurrent holding, no prior quarter available to compare.

Output

One row per position:

{
"manager":{"name":"Scion Asset Management, LLC","cik":"1649339"},
"reportDate":"2025-09-30",
"priorReportDate":"2025-06-30",
"filingDate":"2025-11-03",
"accessionNumber":"0001649339-25-000007",
"filingUrl":"https://www.sec.gov/Archives/edgar/data/1649339/000164933925000007/",
"issuer":"PALANTIR TECHNOLOGIES INC",
"cusip":"69608A108",
"titleOfClass":"COM",
"putCall":null,
"changeType":"new",
"shares":5000000,
"value":912100000,
"portfolioWeightPct":61.2,
"priorShares":null,
"priorValue":null,
"sharesChange":null,
"sharesChangePct":null,
"valueChange":null,
"scrapedAt":"2026-06-11T00:00:00.000Z"
}

Input

FieldDefaultNotes
managers["Berkshire Hathaway","Scion Asset Management","Pershing Square Capital Management"]Fund names or CIK numbers.
maxManagers10Cap on managers processed.
minPositionValueUsd0Drop positions below this value.
materialChangePct10Share change under this percent is labeled unchanged.
includeUnchangedtrueTurn off to return only changes.
maxHoldingsPerManager500Row cap per manager.
userAgentdefaultSEC asks for a descriptive User-Agent with an email.

Pricing

Pay per result. The first 20 rows per run are free so you can validate output.

EventPriceApplies to
Key move (new or exit)$0.02new, exited
Position change$0.01increased, reduced
Holding$0.004unchanged, current

Notes

  • All data comes from official EDGAR endpoints. No API keys, no logins, no scraped HTML, no proxy required.
  • 13F filings report holdings by issuer name and CUSIP, not by ticker. Both are returned as filed. CUSIP has no clean keyless ticker source, so map to tickers downstream if you need them.
  • 13F values are reported in whole dollars for filings since 2023. The actor focuses on recent quarter-over-quarter changes.
  • 13F filings appear about 45 days after quarter end, so the latest portfolio is always one reporting lag behind real time. That is a structural feature of the data, not the actor.

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