Arboretum Ventures files with SEC to raise $215 million

Tom Henderson - Ann Arbor-based Arboretum Ventures LLC, arguably the state’s most successful venture capital firm in recent years, is raising a new fund of $215 million, according to a form filed with the U.S. Securities and Exchange Commission. That would be the largest VC fund ever raised in Michigan. The previous largest was the $180 million raised in 2013 by Farmington Hills-based Beringea LLC for its Michigan Growth Capital Partners II fund. Because of SEC regulations restricting publicity for VC