LGIAsuper is ramping up its stake in infrastructure investments, adding a regional port to its portfolio. : LGIAsuper is ramping up its stake in infrastructure investments, adding a regional port to its portfolio. LGIAsuper increased its interest in the Port of Portland to 31%, a deep-water facility located between Melbourne and Adelaide. One of its investment managers, Palisade Investment Partners, increased its investment to 100% ownership, effectively doubling LGIAsuper's stake. Palisade, which provides institutional investors access to Australian infrastructure, acquired a 50% interest in the port in 2012 and purchased the remaining interest from Utilities of Australia.