Alternative data has moved from the edge of hedge fund research to the centre of it. The funds that integrated search data, transaction signals, and sentiment feeds five years ago have documented outperformance. The funds that waited are now scrambling to catch up. In 2026, the question is no longer whether to use alternative data -- it is which data, how to integrate it, and how to use it systematically rather than as ad hoc research decoration.
This guide is for portfolio managers, analysts, and research teams at hedge funds who want a practical, complete picture of the alternative data land