Inside OTPP's Total Portfolio: Risk Appetite, Leverage and the 111% Edge
Key points
Key takeaways from a Capital Allocators with Ted Seides interview with Ontario Teachers' Pension Plan Co-Chief Investment Officer Stephen McLennan (October 2026):
Dual-CIO operating model. Since January 2024 OTPP has run two CIOs: McLennan owns asset allocation, risk positioning, liquidity and leverage, while Gillian Brown leads public and private investing. The pair overlaps through formal committees and weekly meetings, a structure unique among Canada's largest pension funds.
A $300bn plan born from a pension crisis. Created in 1990 by Ontario's teachers' union and the provincial government, the board was seeded with non-marketable Ontario debentures and used derivatives and financial engineering to build a liquid global equity portfolio. It was an early adopter of private equity, infrastructure, commodities and hedge funds; today it covers 346,000 teachers with a funding ratio of 111%.
Four levers of strategy. McLennan frames the investment approach as diversification, active management where the fund believes it has an edge, a rigorous risk-management framework, and a prudent amount of leverage to implement the plan.
Management owns the asset mix. Under the one-teacher strategy launched around 2015-16, the board pushed responsibility for the asset mix down to management through flexible bands, recognising that pensions are paid with total return, not beta or active return alone. Total Fund Management combines asset allocation with treasury functions — what you want to buy, and how you pay for it.
Reference portfolio as risk-appetite signal. OTPP treats a reference portfolio as a statement of risk appetite, not a construction target; investment teams gravitate to benchmark weights and become reluctant to deviate, which can leave a portfolio holding fixed income for the wrong reasons, as in 2020-21.
Two planning horizons. A one-year investment plan sets risk positioning while a five-year horizon — driven by a large illiquid portfolio and the need never to be a forced seller — shapes allocations, backed by a liquidity and leverage framework run by the risk team. Inside Total Fund Management, a dynamic team watches what the market is pricing in, positioning defensively ahead of events such as Brexit.
The edge is structural, not tactical. A 111% funding ratio lets the fund choose its point on the risk curve rather than being forced onto one; McLennan also recounts a first-principles reassessment that led OTPP to exit fixed income, discusses AI-driven concentration risk and portfolio resilience, and concedes that the Canadian model's historical advantages have eroded substantially over two decades while the funding surplus remains the genuine edge.
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