Baron Fund’s Q4 2025 letter highlights the success of Baron Partners Fund, which returned 19.07% in the quarter and 24.86% in the calendar year, outperforming benchmark indices. The fund focuses on long-term investments in growth businesses. Check out their top holdings for insights into their 2025 selections.

IDEXX Laboratories, Inc. (NASDAQ:IDXX) is a healthcare company with a $51.73 billion market cap. In 2025, the stock appreciated 63.6%. IDEXX has developed new tests and products, showing outstanding competitive trends. The stock closed at $646.53 per share on February 10, 2026.

Baron Partners Fund praised IDEXX in their Q4 2025 letter, noting the company’s innovative tests and financial performance. IDEXX’s strong position in the veterinary diagnostics market, along with new proprietary innovations, contributes to its growth prospects.

IDEXX Laboratories, Inc. (NASDAQ:IDXX) is held by 55 hedge fund portfolios. While it has potential, some see greater opportunities in AI stocks. For more insights on IDEXX and other healthcare stocks for 2026, check out additional articles and investor letters on Insider Monkey.

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Read more at Yahoo Finance: Baron Partners Fund is Leveraging IDEXX Laboratories’ (IDXX) Long-Term Growth Drivers