PDB Academy

Academy › Glossary › Market Structure & Flow

Form 13F (institutional holdings)

A quarterly report of the US stock holdings of large institutional managers.

Market Structure & FlowIntermediate

Definition

Managers with over $100 million in qualifying assets must file within 45 days after each quarter ends. It shows what they held at quarter-end, so it is always at least weeks old.

Watch out for

It does not show short positions, trades within the quarter, or non-US holdings.

Learn it in context with PDB Academy

Guides, short videos and a plain-English glossary in one place, with tools to try each idea on real market data. The basics are free.

Create a free accountOpen PDB Academy