Glossary
A 13F is a quarterly SEC filing required from institutional investment managers with over $100 million under management, disclosing their US equity holdings.
A Form 13F is the quarterly holdings report that institutional investment managers with more than $100 million in qualifying US equity assets must file with the SEC. It is filed within 45 days of each quarter's end and discloses the manager's long positions in US-listed stocks and certain options.
13F data shows what large managers held as of the quarter-end snapshot. It is widely watched for tracking how institutions are positioned, but it has real limits: it omits short positions, cash, and most non-US holdings, and the 45-day lag means the positions may already have changed by the time they are public.
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