13F FilingA quarterly report filed with the SEC by institutional investment managers with at least $100 million in qualifying assets under management. It discloses their equity holdings as of the end of each quarter.See it in action: Browse Tracked Funds →Learn more: Understanding 13F FilingsRelated TermsInstitutional Investment ManagerAn entity that exercises investment discretion over $100 million or more in Sect...CUSIPA 9-character alphanumeric code that uniquely identifies a security. Used in 13F...Period End DateThe last day of the calendar quarter for which holdings are reported. 13F filing...Filing DeadlineInstitutional managers must file their 13F within 45 days after the end of each ...Amendment (13F-HR/A)A revised filing that corrects or supplements a previously filed 13F. Amendments...