Navigating the Mortgage Market: A Quarter in Review
First Quarter Performance: A Detailed Look at JMBS Returns
The Janus Mortgage-Backed Securities ETF (JMBS) concluded the first quarter of 2026 with a return of 0.26%. This figure placed it slightly below its benchmark, the Bloomberg U.S. Mortgage Backed Securities (MBS) Index, which achieved a 0.40% return over the same period. Despite this marginal underperformance, the broader mortgage-backed securities market demonstrated considerable strength, surpassing the performance of U.S. Treasuries during a period characterized by volatility across fixed-income sectors.
Factors Influencing Performance: Contributions and Detractions
Several strategic decisions and market conditions influenced the fund's quarterly results. Overweight positions and specific security selections within agency MBS detracted from overall performance. Similarly, the fund's yield-curve positioning also had a negative impact. In contrast, allocations to collateralized mortgage obligations (CMOs) and credit risk transfer (CRT) securities were notable positive contributors, helping to mitigate some of the headwinds faced from other areas of the portfolio.
Economic Headwinds: The Impact of U.S. Employment Data
The economic landscape in the U.S. presented a mixed picture, with employment data showing signs of softness. Revisions to job creation figures for 2025 were notably downward, and nonfarm payrolls experienced a decline in February. These indicators contributed to a cautious outlook on the labor market, impacting overall investor sentiment and fixed-income valuations. The Federal Reserve's stance on monetary policy, influenced by such data, remained a critical factor for the MBS market.
Strategic Portfolio Adjustments in Response to Market Dynamics
To address the evolving market environment and its associated volatilities, significant adjustments were made to the portfolio. A key strategic shift involved increasing exposure to CRT (Credit Risk Transfer) tranches. This move aimed to capitalize on more attractive valuations and enhance the fund's risk-adjusted returns by effectively managing duration exposure. Additionally, the portfolio was repositioned to benefit from an anticipated rise in implied volatility, with a preference for shorter-duration spread instruments, particularly within the front sequential CMO tranches. These actions were designed to optimize the portfolio's resilience and potential for gains amidst fluctuating market conditions.
Forward Outlook: Key Drivers for MBS and JMBS
Looking ahead, the outlook for mortgage-backed securities and, by extension, the JMBS ETF, appears to be underpinned by several supportive factors. Continued positive inflows into the sector and steady demand from government-sponsored enterprises (GSEs) are expected to provide a strong foundation. The inherent limited credit risk of MBS, especially agency MBS, further enhances its appeal. A projected decline in interest-rate volatility is also anticipated to create a more favorable environment for these securities. However, potential geopolitical risks and persistent inflationary pressures remain crucial variables that could influence market performance, necessitating continuous monitoring and adaptive investment strategies.




