Filings, funds, and the data behind them

Data readouts from 1.87M institutional positions across 1,824 filers, and guides to SEC filings, insider activity, and market data for AI agents. New articles daily.

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All (36)Institutional Ownership (7)Insider Activity (6)Market Data (13)Filings & Regulation (1)AI & Agents (4)AI Infrastructure (1)Fund Tracker (3)
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LatestFund Tracker

Baker Bros. 13F: Q1 2026 Biotech Holdings

Baker Bros. reported a $17.42B Q1 2026 13F book, led by Incyte, BeOne Medicines, Insmed, and Madrigal.

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Fund Tracker

Stanley Druckenmiller 13F: Duquesne Q1 2026

Duquesne Family Office reported a $3.38B Q1 2026 13F book, led by Natera, call-option exposure, and large exits from XLF and Alphabet.

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Fund Tracker

Bill Ackman 13F: Pershing Square Q1 2026

Pershing Square reported an 11-position, $13.7B Q1 2026 13F book, with Microsoft new, Amazon added, and Alphabet sharply reduced.

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