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How Do You Read a 13F Filing?
Sort by value, read the top ten, then read the changes, and know which four traps make trackers report trades that never happened.
Read itDo Hedge Funds and Fund Managers Beat the Market?
Mostly not, after fees, and the arithmetic says they cannot on average. So why read their filings at all? Three reasons that survive the fee maths.
The Stocks Congress and the Hedge Funds Both Buy
Two disclosure regimes with nothing in common, and the names that appear in both. Mostly it means the company is very large; occasionally it is a question worth asking.
Can You Copy Warren Buffett's Portfolio?
You can replicate the holdings, they are public. What you cannot replicate is the cost basis, the horizon, the hedges, and the willingness to be wrong for years.
The Biggest 13F Filers, and What Their Size Tells You
The largest filed books we track, ranked, with the average position size beside them, which says more about how a firm invests than the total ever does.
What Are the Most Crowded Trades in the Market?
The companies the most separate institutional filers hold at once, why crowding matters in a drawdown rather than in a rally, and how it is counted.
What the Funds Bought Last Quarter
Every position opened or added between the last two 13F filings, grouped by stock, so you can see which names the most separate managers were building into at once.
The Stocks the Most Hedge Funds Own in 2026
Counting every 13F we hold at each fund's own latest filing, common stock only: the names the most separate managers report owning, and what consensus is actually worth.
The Most Active Super Investors of 2026
Which funds actually changed their portfolios last quarter, ranked by positions opened, added to and trimmed between their last two 13F filings.