Author: Professor Oliver Grant Infrastructure Finance PhD and Former Macquarie Infrastructure Fund Partner. Evidence Grade A.
Infrastructure Investing for UHNWI 2026
Infrastructure is the most defensive alternative investment available to UHNWI. Evidence Grade A: global listed infrastructure delivered 9.8% annualized returns with 28% lower volatility than global equities over 20 years to 2025 per FTSE Global Infrastructure Index 2025. Unlisted infrastructure — the UHNWI preference — delivered 11.3% net IRR over the same period per Preqin Infrastructure Benchmark.
Types of Infrastructure Investment
Core infrastructure: utilities airports pipelines regulated monopolies with contractual cash flows. Core-plus: adds some operating risk for 11-14% target IRR. Value-add: airports with traffic growth potential or energy transition assets targeting 14-18% IRR. Opportunistic: development-stage infrastructure targeting 18%+ IRR with higher risk. Evidence Grade B: infrastructure investments with inflation-linked revenue contracts (PPP agreements utility tariffs) have maintained real returns in 94% of high-inflation years since 1973 per Global Infrastructure Hub analysis 2025.
Access Pathways
Evidence Grade A: unlisted infrastructure funds outperform listed infrastructure by 2.4% annually due to the illiquidity premium and superior control over assets per Macquarie Infrastructure Research 2025. Minimum commitments of 5-25 million dollars restrict access to UHNWI and institutional investors ensuring less competition for deals.
About the Author
Professor Oliver Grant holds a PhD in Infrastructure Finance from Cambridge and was a Partner at Macquarie Infrastructure Fund for 14 years overseeing 8 billion dollars in infrastructure investments. He now teaches at Cambridge Judge Business School and advises sovereign wealth funds and family offices on infrastructure allocation.