Here’s Why Baron Opportunity Fund Sold CoStar Group (CSGP)

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Soumya Eswaran

Wed, August 12, 2026 astatine 9:45 AM CDT 3 min read

Baron Capital, an concern absorption company, released its Q2 2026 capitalist missive for the "Baron Opportunity Fund". A transcript of the missive is disposable to download here. During the 2nd quarter, the Baron Opportunity Fund accrued 27.07% (Institutional Shares), outperforming some the Russell 3000 Growth Index (17.05%) and the S&P 500 Index (15.20%). For the archetypal fractional of 2026, the Fund roseate by 15.79% against the Benchmark's 5.88% and the S&P 500's 10.21%. The rally was chiefly driven by AI-related growth, contempt uncertainty from geopolitical conflicts and inflation. A prime radical of stocks, notably successful Information Technology, led marketplace gains, with the Magnificent Seven contributing importantly to earnings. Growth stocks rebounded, surpassing worth stocks, yet inactive lagged year-to-date. The Fund emphasizes disruptive secular trends similar AI and expects semipermanent maturation contempt short-term marketplace volatility. The request for AI compute has dramatically increased, fueled by agentic AI applications. Companies reported measurable economical benefits from AI adoption, reinforcing the Fund's strategy focused connected sustainable, innovative growth. Please reappraisal the Strategy's apical 5 holdings to summation insights into their cardinal selections for 2026.

In its Q2 2026 capitalist letter, Baron Opportunity Fund highlighted CoStar Group, Inc. (NASDAQ:CSGP). CoStar Group, Inc. (NASDAQ:CSGP), an information, analytics, and online marketplace services supplier for commercialized and residential spot markets, was sold from the portfolio during the quarter. On August 11, 2026, CoStar Group, Inc. (NASDAQ:CSGP) closed astatine $31.12 per share, reflecting a marketplace capitalization of $12.61 billion. CoStar Group, Inc. (NASDAQ:CSGP) posted a one-month instrumentality of 6.86%, portion its shares mislaid 65.23% implicit the past 52 weeks.

Baron Opportunity Fund stated the following regarding CoStar Group, Inc. (NASDAQ:CSGP) successful its Q2 2026 capitalist letter:

"We elected to exit our presumption successful existent property accusation and selling services supplier CoStar Group, Inc. (NASDAQ:CSGP) aft a palmy multi-decade investment. Performance has been challenged implicit the past respective years arsenic the institution has invested aggressively to physique retired its Homes.com residential existent property selling platform. Revenue traction for Homes.com has been dilatory to materialize, and we are acrophobic that caller shifts successful marketplace operation volition marque it incrementally much hard for CoStar to turn a residential concern commensurate with its level of investment. Shares person besides been pressured by the sector-wide AI disruption concerns weighing connected the broader bundle and accusation services ecosystem."

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