institutional-13f-tracker

13F institutional ownership tracker: quarterly hedge fund and mutual fund holdings from SEC 13F filings, by ticker or by manager, with top institutional holders per stock, quarter-over-quarter buying and selling deltas, and activist investor positions across thousands of managers. Use for 13F filings, 13F holdings changes, hedge fund holdings, institutional ownership by ticker, who owns this stock, activist fund positions, and superinvestor portfolios. Read-only. No trading, no purchases, no write operations, no wallet access.