What is 13F Filing?
A quarterly SEC disclosure of US stock holdings that institutional managers overseeing more than $100M must file — revealing what the big funds own.
Educational — not investment advice
Form 13F lets you see, position by position, what hedge funds, pension funds and other large institutions held at quarter-end, and how those positions changed versus the prior quarter. Comparing consecutive filings shows who is accumulating and who is exiting.
It is public, filed under penalty of law, and a genuine window into institutional behavior — the "smart money" positioning that many investors want to track.
The trap most people miss
A 13F is a quarter-end snapshot filed up to 45 days late, so it can be months stale by the time you see it. It also shows only long US equity positions — no shorts, cash, options hedges or foreign holdings — so it hides most of a fund’s actual strategy. Cloning it blindly is risky.
Frequently asked about 13F Filing
What is a 13F filing?
A quarterly SEC report of US-listed equity holdings required of institutional managers with over $100M under management. It shows what they held at quarter-end.
Can I just copy what the funds buy?
Risky. You don’t see their entry price, thesis, timeline or whether they’ve already sold — and the data is up to 45 days old. Treat it as a research signal, not a buy list.
Related terms
Guides that use 13F Filing
In Tradune: see 13F institutional ownership per stock, linked to EDGAR.
Track what you actually own
Tradune puts every holding in one place — no brokerage login — and measures your return against a buy-and-hold SPY twin funded on your own dates.
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This definition is for educational purposes only and is not investment, tax, or financial advice. Concepts are explained in general terms; how they apply to your situation can differ. Always do your own research.