Pension fund invests with Oak Street as it seeks to increase exposure. : Pennsylvania State Employees’ Retirement System (SERS) is seeking to boost its exposure to net-lease real estate strategies. The pension fund told IPE Real Assets that it had made a $300m (€264m) commitment to Oak Street Real Estate Capital Net Lease Property Fund, which itself will invest in a series of net-lease strategies. It is one of the largest commitments ever made by a US public pension fund to a net-lease real estate strategy, according to industry sources.