Baron Partners Fund, despite experiencing a minor decrease in value during the first quarter of 2026, demonstrated a stronger performance compared to its designated benchmarks. The fund recorded a 5.33% decline for its Institutional Shares, yet this figure was notably better than the 6.35% drop observed in the Russell Midcap Growth Index and the 8.44% decrease in the Morningstar Large Growth Category Average. Over the past year, the fund has shown impressive growth, achieving a 43.06% return, significantly outpacing the Russell Midcap Growth Index (9.56%), the broader Russell 3000 Index (18.09%), and its peer group (16.53%). The fund's consistent outperformance spans multiple years, with its 10-, 15-, and 20-year rankings placing it in the top percentile, underscoring its ability to generate substantial returns over extended periods. This long-term success is a testament to the fund's investment philosophy, which prioritizes a concentrated portfolio of carefully selected growth businesses, often utilizing leverage to amplify returns.
A deep dive into the first quarter's performance reveals key drivers and detractors. Space Exploration Technologies Corp. (SpaceX) emerged as a significant positive contributor, with its value appreciating by 24.5% due to its merger with X.AI Holdings Corp. This transaction elevated SpaceX's implied valuation to $1 trillion, showcasing the immense potential of its Starlink broadband service and its advancements in reusable rocket technology, including the Starship program. Choice Hotels International, Inc. and Arch Capital Group Ltd. also contributed positively, benefiting from steady growth and market resilience, respectively. Conversely, Tesla, Inc. faced headwinds due to investor concerns over its substantial capital expenditure on new products and AI development, as well as a slower-than-anticipated rollout of its Robotaxi service. FactSet Research Systems Inc., CoStar Group, Inc., and Gartner, Inc. also weighed on performance, primarily due to market anxieties surrounding the impact of AI on their respective industries. Despite these challenges, the fund maintains a strong conviction in these companies, viewing their current reinvestments and improved fundamentals as potential catalysts for future growth, anticipating a reversal in negative sentiment as these initiatives mature and prove their value.
The fund's investment strategy focuses on identifying and investing in well-managed growth businesses with sustainable competitive advantages and strong long-term growth prospects, aiming for a doubling of value within five to six years. The portfolio, comprising 24 investments with a median market capitalization of $13.6 billion, is non-diversified, with the top 10 positions accounting for 82.6% of total investments, balanced by a strategic diversification across GICS sectors. The deliberate use of leverage, at 13.4%, further underscores its aggressive pursuit of alpha. This approach has historically enabled the fund to not only thrive during periods of economic expansion but also to preserve and grow capital during challenging market environments, such as the Internet Bubble collapse and the COVID-19 pandemic. The fund's ability to navigate various economic cycles, consistently outperforming its benchmarks, highlights the efficacy of its rigorous research and long-term investment horizon. This commitment to value creation, even amidst short-term market pressures, provides a solid foundation for sustained shareholder returns.
Embracing a long-term perspective and rigorous research allows for strategic investment in companies with strong fundamentals and innovative potential, even when faced with short-term market volatility. This approach not only fosters resilience during economic downturns but also unlocks significant growth opportunities, ultimately leading to substantial wealth creation and a positive impact on the economy.




