Portfolio weight
Position size relative to disclosed assets is more informative than share count alone.
Search public and private companies, people, funds, markets, tools, and research.
Turn raw 13F information tables into a clear view of reported holdings, new positions, increases, reductions, exits, and cross-fund overlap.
Shared positions across the top 20 reported holdings of five tracked managers, with the latest quarter's displayed changes overlaid.
A 13F is a delayed snapshot of reportable U.S. long holdings. It omits shorts, many derivatives, private assets, cash, hedges, cost basis, and the manager’s reasoning.
Position size relative to disclosed assets is more informative than share count alone.
Separate price-driven weight changes from actual buying, selling, new positions, and exits.
Interpret activity through the manager’s mandate, turnover, concentration, and typical holding period.
Independent ownership across distinct strategies may matter more than crowded ownership within one style.
The position can be changed or closed by the time the filing becomes public.
A disclosed long may hedge an undisclosed short, swap, option, or broader portfolio risk.
A famous manager’s small position is not automatically more informative than a specialist’s core holding.
Compare weights, shares, estimated value, and change across consecutive quarters.
Understand the fund structure, liquidity, benchmark, and investment horizon.
Use letters, presentations, interviews, and company fundamentals to infer—not assume—reasoning.
Treat ownership as an idea source and complete a separate valuation and risk process.