Effective Execution and Strong Results Lifted Arista Networks (ANET) in Q3

Core Insights - The BBH Select Series - Mid Cap Fund experienced a total return decrease of -0.9% in Q3 2025, underperforming the Russell Midcap Index, which returned 5.3% during the same period [1] - Year-to-date, the Fund's total return is -1.8%, compared to a 10.4% return for the Index [1] - The third quarter saw a continuation of the low-quality rally that began late last year, gaining momentum throughout 2025 [1] Company Highlights - Arista Networks, Inc. (NYSE:ANET) is a key holding in the BBH Select Series - Mid Cap Fund, recognized for its development and distribution of data-driven, client-to-cloud networking solutions [2] - Over the last month, Arista Networks' stock returned -0.20%, but it has appreciated by 21.67% over the past 52 weeks, closing at $130.04 per share on December 09, 2025, with a market capitalization of $163.757 billion [2] - Arista Networks, Inc. was one of the largest positive contributors to the Fund's performance in Q3 2025 [3]