Halo Report Annual 2015 The Angel Resource Institute at Willamette University (ARI) and PitchBook. have released The 2015 Annual Halo Report. The Halo Report takes a look into angel group investment activity and trends in the United States. Here are a few interesting highlights: The median seed-stage valuation for 2015 deals hit an all-time high of $4.6M … Continue reading Halo Report Annual 2015