J2 Ventures, a firm led mostly by the U.S. military veterans, announced on Thursday that it has raised a $150 million second fund. The Boston-based firm invests in startups whose products are purchased by civilians and the U.S. Department of Defense.   While many emerging VCs are struggling to raise second funds, J2’s latest vehicle is […] © 2024 TechCrunch. All rights reserved. For personal use only.