Building the Total Portfolio at Ontario Teachers – Stephen McLennan (EP.518)

Stephen McLennan, co-chief investment officer of the Ontario Teachers' Pension Plan, walks through how the roughly $300 billion fund runs a total portfolio strategy, balancing top-down asset allocation with bottom-up investing. The discussion covers the roles of active management, liquidity, leverage, and the mix of internal and external management, along with where private equity, credit, infrastructure, hedge funds and inflation-sensitive assets sit in the portfolio. It also touches on AI-driven concentration risk and how the Canadian model's competitive edges are evolving.

1. McLennan oversees asset allocation for a fund of about $300 billion covering 346,000 teachers' retirement security.
2. He joined OTPP in 2003 and worked across credit, natural resources, infrastructure and Total Fund Management before splitting the CIO seat with Gillian Brown in 2024.
3. The conversation covers where private equity, credit, infrastructure, hedge funds and inflation-sensitive assets earn their place in the portfolio.
4. Topics include the balance of top-down allocation and bottom-up investing, active management, liquidity, leverage, internal and external management, and AI-driven concentration risk.