01 / FOLLOW THE CAPITAL
13F Analysis
Look inside institutional portfolios. Understand what changed.
Search SEC filers. Choose a manager, then select a reporting quarter.
Every portfolio starts with a name.
Choose a manager to explore reported holdings, portfolio concentration, and changes between quarters.
02 / READ THE THINKING
Investor Letters
Investment perspectives, direct from the managers who wrote them.
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02 / IDEAS FROM THE LETTERS
Investor Letters Summary
New investments and additions, drawn from managers’ own commentary.
03 / WATCH THE OWNERS
Insider Transactions
See what company insiders report buying, selling, and receiving.
Follow the people closest to the business.
Enter a US ticker to see reported transactions by executives, directors, and other reporting owners.
04 / CONNECT THE IDEAS
Stock Research
Find the writing behind a stock. Follow every idea to its source.
Substack & independent research
Investment pitches, company deep dives, and public commentary.
Value Investors Club
Discover publicly indexed writeups and follow links to the originals.
Your investor-letter library
Find company and ticker mentions across indexed manager letters.