Strategic Vision: Investing in the Future of Data Management
Artisan Mid Cap Fund's Q4 2025 Performance and Investment Philosophy
Artisan Partners, a distinguished investment management entity, recently disseminated its investor letter for the fourth quarter of 2025, specifically for the Artisan Mid Cap Fund. This communication elucidates the fund's investment approach, which centers on identifying companies endowed with strong business characteristics, promising earnings trajectories, and valuations below their estimated private market worth. During this period, US equities experienced a record-setting year, marked by substantial gains in the fourth quarter. The Artisan Mid Cap Fund's various classes—ARTMX, APDMX, and APHMX—recorded modest declines of -0.44%, -0.37%, and -0.35% respectively, outperforming the Russell Midcap® Growth Index's -3.70% decline. This performance was significantly bolstered by the continued robust growth in the information technology and healthcare sectors, underscoring the strategic allocation within these areas.
MongoDB's Market Position and Strategic Value Proposition
Within its detailed investor letter for the fourth quarter of 2025, the Artisan Mid Cap Fund specifically underscored its investment in MongoDB, Inc. (NASDAQ: MDB). MongoDB is recognized as a premier provider of document-oriented database software, crucial for the development of modern, cloud-native applications that adeptly manage unstructured data. As of February 23, 2026, MongoDB's stock was valued at $305.37 per share, reflecting a one-month return of -25.86% and an impressive 17.58% gain over the preceding 52 weeks. The company commands a substantial market capitalization of $24.855 billion, indicative of its significant presence and influence in the database software landscape.
Strategic Enhancement of Holdings: Focus on MongoDB's Atlas Platform
The Artisan Mid Cap Fund further detailed its strategic adjustments during the quarter, including increasing its stake in ServiceTitan, MongoDB, Inc., and Waters. The fund's decision to bolster its position in MongoDB was largely driven by its conviction in the company's ability to expand its market share, particularly through the growing adoption of its Atlas cloud platform. The Atlas platform is highly regarded for its exceptional scalability and user-friendliness, making it a critical asset for businesses navigating complex data environments. The fund anticipates a surge in demand for MongoDB's solutions as enterprises increasingly integrate AI-related functionalities into their operations. The company's financial performance during the quarter further validated this outlook, with results surpassing initial guidance, fueled by the consistent growth of Atlas, leading to an upward revision of its full-year projections. This scenario signals robust market demand and strengthening operational fundamentals for MongoDB.
Competitive Landscape and Future Growth Prospects for MongoDB
Despite its strong performance and strategic significance to Artisan Mid Cap Fund, MongoDB, Inc. (NASDAQ: MDB) is notably absent from our curated list of the 30 most popular stocks among hedge funds. Our analysis indicates that at the close of the fourth quarter, 98 hedge fund portfolios included MongoDB, Inc., a rise from 89 in the preceding quarter. While acknowledging MongoDB's considerable investment potential, we contend that certain other AI-focused stocks currently present greater upside opportunities with comparatively reduced downside risks. For investors seeking an exceptionally undervalued AI stock poised to benefit significantly from shifting trade policies and domestic manufacturing trends, we recommend consulting our exclusive report on the top short-term AI stock for detailed insights.