Fixed income managers rethink portfolios as valuations tighten in traditional markets
Fixed income portfolio construction is undergoing a shift as historically tight valuations in government bonds and investment grade credit prompt managers to seek alternative sources of income and diversification.
In an environment marked by persistent inflation pressures, geopolitical uncertainty and fiscal imbalances, managers in the Unconstrained Bonds and Specialised Income sectors are increasingly allocating to securitised debt and high-yield credit. These sectors are offering comparatively more attractive risk‑return profiles than traditional fixed income benchmarks, which remain concentrated in low‑yielding segments.
Traditional bond indices capture only a narrow slice of the global fixed income universe and exclude areas such as high‑yield credit, non‑agency mortgage‑backed securities and leveraged loans. As a result, benchmark‑constrained strategies have become increasingly exposed to heavily indebted issuers offering limited upside.
By contrast, unconstrained and specialised income strategies are typically managed against a cash benchmark and have the flexibility to adjust duration, rotate between sectors, and deploy capital across a wider opportunity set. This flexibility has become an advantage amid heightened volatility.
Securitised debt has emerged as a key focus, particularly agency and non‑agency mortgage‑backed securities, asset‑backed securities and commercial mortgage‑backed securities. Agency MBS provide implicit government backing with a yield premium to investment‑grade credit, while non‑agency MBS and ABS offer higher yields backed by diversified consumer loan pools. These characteristics have made them attractive where consumer fundamentals and underwriting standards remain sound.
Private asset‑backed securities have also gained attention. Lending to asset‑backed warehouse facilities offers a yield premium relative to public markets, reflecting higher complexity and lower liquidity. These arrangements require careful structuring and deep credit due diligence, particularly around enforcement rights and lender hierarchy, to ensure appropriate compensation for risk.
High‑yield credit has also re‑entered portfolios as managers respond selectively to improved issuer fundamentals and a reduced presence of weaker credits following the expansion of private debt markets. Allocations have generally been tactical and risk‑aware, with managers avoiding deteriorating sectors and using hedging tools to manage downside risk.
As fixed income markets continue to evolve, flexibility and active management are becoming more central to portfolio outcomes. Unconstrained Bonds and Specialised Income strategies are increasingly positioned to navigate valuation constraints while seeking income, diversification and resilience in uncertain conditions.
By Michael Elsworth, Manager, Fixed Income



