Primary Ventures has closed a $625 million Fund V focused on seed investing nationwide, which is a sizeable fund for a firm that focuses solely on early-stage investing. It perhaps showcases how the size of early-stage rounds has dramatically increased in the age of AI. Ben Sun, a co-founder and general partner at Primary Ventures, told TechCrunch the average check size for this fund will range from $5 million to $10 million, and that he hopes the firm will invest in 40 to 50 companies over the