<p>Teachers&rsquo; Retirement System of the State of Illinois has expanded its emerging manager programme through new investments with Oak Street Capital and Exeter Property Group.</p> <p>The pension fund is committing&nbsp;$100m (&euro;95.2m) to&nbsp;Oak Street Capital Real Estate Fund IV and $40m to Exeter Industrial Value Fund IV.</p> <p>The commitments represent a significant expansion of the programme. The pension fund currently has $79.4m invested with emerging real estate managers.</p> <p>Oak Street Capital invests in net-lease real estate, a part of the market that US pension funds rarely invest in, according to industry sources.</p>