For decades, institutional investing was dominated by Strategic Asset Allocation (SAA), a framework rooted in Modern Portfolio Theory and built around long-term allocations and broad asset classes. However, several structural market shifts are accelerating the move toward integrated portfolio management frameworks, including persistent inflation uncertainty, higher interest rate volatility, rapid growth in private markets, increasing liquidity complexity, and rising demands for enterprise-wide risk transparency.
As institutional investors manage more complex balance sheets across public and private assets, traditional silo-based portfolio construction models are becoming increasingly difficult to sustain. Importantly, this evolution is not leading toward a single universal model. Instead, different types of institutional investors are adopting different portfolio construction approaches depending on their liabilities, governance structures, liquidity requirements, and regulatory constraints.
While insurance companies have long operated under Asset-Liability Management (ALM) disciplines that explicitly integrate assets, liabilities, liquidity, and capital considerations, other institutional sectors have increasingly adopted frameworks such as the Total Portfolio Approach (TPA) and Liability-Driven Investing (LDI) to support more outcome-oriented and balance-sheet-aware investing. Although these frameworks emerged from different institutional contexts, they share a common principle: investment decisions are increasingly being evaluated through a total portfolio and enterprise-level lens rather than through isolated asset-class silos.
About the Authors
Louis (Xisuo) Liu, PhD, CFA, ASA, MAA
Founder and CEO, CSAA Consulting
Louis is the Founder and CEO of CSAA Consulting, LLP and an Advisor for Alpha FMC. He has over 25 years of financial services strategy experience, specializing in insurance and pension investments and operations. He has a proven track record of strategic partnership in support of clients managing assets on behalf of insurer and pension clients. He has routinely partnered with a range of client stakeholders, including actuaries, portfolio managers, and CRM teams. Louis was a founding member of the Wellington Management LDI team, with significant research experience across fixed income products, asset allocation strategy, volatility analysis, LDI custom benchmark construction, ALM, and CDI portfolio construction.
Emily Wilson, CFA, CIPM
Director, Alpha FMC
Emily is a Director at Alpha FMC based in Boston. She is responsible for our North American insurance segment strategy and specializes in overseeing programs with our Investments Practice. She brings 20 years of buy-side experience, including 16 years at Wellington Management Company, where she was a Managing Director on the Investment Platform. She has experience in designing operating models, developing and rationalizing technology solutions for investors, business strategy, budget management, and leading organizations through change. Her experience includes over a decade specializing in Fixed Income, including specialized solutions for insurance companies and other clients with multi-faceted objectives.