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The Invesco Income Fund's performance in the final quarter of 2025 was shaped by notable shifts in the fixed income landscape. Short and intermediate-term Treasury yields experienced a decline, while longer maturities held steady or edged slightly higher, leading to a pronounced steepening of the yield curve. Economic indicators, despite being somewhat constrained by the US government shutdown, pointed to persistent inflationary pressures, further complicated by rising tariff-related costs. Amidst these conditions, US Agency mortgage-backed securities (MBS) delivered positive returns, with high-coupon MBS showing particular strength, benefiting from reduced implied volatility and the steepening yield curve. The fund strategically adjusted its portfolio by decreasing its allocation to non-Agency residential mortgage-backed securities (RMBS) and reallocating to other structured credit instruments and Treasuries, aiming to optimize returns in a dynamic market environment.

Detailed Investment Report: Q4 2025 Financial Review

In the final quarter of 2025, a period marked by fluctuating financial markets and a challenging economic backdrop, the Invesco Income Fund carefully navigated its investment strategy. Key developments included a noticeable decrease in the yields of short and intermediate-term US Treasury bonds, with maturities ranging from one to five years witnessing declines between 0.01% and 0.20%. Conversely, longer-dated Treasury yields remained largely stable or experienced marginal increases, contributing to a significant steepening of the overall yield curve. This dynamic favored segments of the market sensitive to changes in interest rate differentials.

Economic data released during this quarter, although partially affected by a US government shutdown, underscored concerns about sticky inflation. Tariff-related cost escalations added another layer of uncertainty to the economic outlook. In this environment, structured credit securities and Agency Mortgage-Backed Securities (MBS) emerged as strong performers, surpassing both Treasuries and investment-grade corporate bonds. Specifically, high-coupon MBS demonstrated robust performance, supported by a decline in implied volatility and the favorable steepening of the yield curve, which boosted income generation from these assets.

To adapt to these market conditions, the fund's management team made strategic adjustments to its portfolio. A notable decision was the reduction of exposure to non-Agency residential mortgage-backed securities (RMBS). This move was counterbalanced by an increased allocation to Asset-Backed Securities (ABS) and US Treasuries. While these adjustments led to an extension of the portfolio's overall duration, the fund's underweight positions in Agency MBS and corporate bonds resulted in a relative underperformance compared to its benchmark during this period.

Reflections on Market Volatility and Strategic Adaptation

The final quarter of 2025 offers valuable insights into the intricate interplay of macroeconomic factors and their impact on fixed income investments. The phenomenon of a steepening yield curve, combined with persistent inflation and geopolitical influences like tariffs, created a complex landscape for fund managers. The strategic shifts in the Invesco Income Fund's portfolio, particularly the reallocation from non-Agency RMBS to ABS and Treasuries, underscore the necessity for active management and adaptability in volatile markets. While such adjustments aim to optimize long-term returns, they also highlight the inherent trade-offs, such as increased duration risk. This period serves as a reminder that a comprehensive understanding of macro trends, coupled with agile portfolio positioning, is crucial for navigating financial uncertainties and striving for consistent performance.