J2 Ventures has raised $69 million toward a venture fund that looks for startups whose technology has civilian and government uses—a strategy it says resonates with entrepreneurs in a lethargic market for startup investment and acquisitions. Boston-based J2 began raising the fund in May and has held a first closing on the vehicle, which has a $120 million goal, said Managing Partner Alexander Harstrick. A U.S. Army veteran, Harstrick founded J2 in 2020 with Jonathan Bronson, who holds a doctorate in applied math/molecular...