Sun Capital Partners court found that the private equity fund actively participated in the management of its portfolio company In a recent and significant ruling from the First Circuit, Sun Capital Partners III, L.P. et al. v. New England Teamsters & Trucking Industry Pension Fund, No. 12-2312, 2013 WL 3814985 (1st Cir. July 24, 2013,) the court has determined that private equity funds can be held liable for its bankrupt portfolio company’s withdrawal obligation, as imposed under the Employment Retirement Income Security Act (ERISA).  As reported by The National Law Review, the ruling was made on the basis that a…