Comfort Systems (FIX) Rose Following Strong Demand

Core Insights - Brown Advisory Mid-Cap Growth Strategy underperformed its benchmark, the Russell Midcap® Growth Index, which increased approximately 3% in Q3 2025 [1] Company Overview - Comfort Systems USA, Inc. (NYSE:FIX) provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services [2] - The stock closed at $883.79 per share on December 17, 2025, with a market capitalization of $31.181 billion [2] Performance Metrics - Comfort Systems USA, Inc. reported a revenue of $2.5 billion in Q3 2025, reflecting an increase of $639 million or 35% compared to the previous year [4] - The one-month return for Comfort Systems USA, Inc. was 3.71%, and its shares gained 108.79% over the last 52 weeks [2] Growth Outlook - Approximately one-third of Comfort Systems USA's revenue is tied to data center construction, positioning the company as a key beneficiary of strong demand in that market [3] - Management raised its organic growth outlook for the year to the mid-teens, up from high single digits, indicating continued momentum [3] - Backlog growth remains exceptional and of longer duration, providing solid visibility into revenue over the next one to two years [3] Hedge Fund Interest - Comfort Systems USA, Inc. was held by 67 hedge fund portfolios at the end of Q3 2025, an increase from 53 in the previous quarter [4]