工具 API

yfinance_get_holders

Fetch major holders, institutional holders, mutual fund holders, and insider data. Returns JSON with: - major_holders: Aggregated breakdown including insider % held, institutional % held, institutional % float held, and institution count. - institutional_holders: List of institutional investors with shares held, date reported, value, and % change. - mutualfund_holders: List of mutual fund holders with same fields. - insider_transactions: Recent insider transactions including shares, value, transaction type, and date. - insider_purchases: Summary of insider buy/sell activity over the last 6 months. - insider_roster: List of known insiders by name and position. Use this to analyze ownership concentration, insider activity, and institutional interest.