Deep research on hedge fund strategies, 13F filings analysis, and institutional capital flows — written for serious investors.
4,264 institutional funds held $LLY in Q4 2025 — a surge of +516 QoQ. See who owns Eli Lilly stock and what the smart money is sig…
6,004 institutions hold $MSFT as of Q4 2025 — up 409 funds in a single quarter. Vanguard leads at $347B. See who's adding, who's t…
5,809 institutions hold $AAPL in Q4 2025 — up 444 funds in one quarter. Vanguard leads at $387B, but Berkshire cut 4.3%. See the f…
We backtested 500 institutional managers' disclosed long books against SPY. The results will surprise you.
When 3,000 hedge funds own the same 10 stocks, the crowding risk becomes systemic. Here's what the data shows.
The biggest Q4→Q1 sector shifts in 13F history — and what they historically meant for equity markets in the following quarter.
Not raw return. Not AUM size. The purest measure of manager skill — Sharpe Ratio — and who consistently tops it.
From filtering the Rankings leaderboard to constructing a diversified composite — a practical tutorial for individual investors.
The 45-day lag, the missing short book, the survivorship bias — an honest accounting of what following 13Fs actually costs you.