From Yahoo Finance · · 1m
Comfort Systems USA Stock Benefits from AI Boom
Parnassus Growth Equity Fund adds Comfort Systems USA to Q2 2026 portfolio as AI infrastructure expands
In brief
Parnassus Growth Equity Fund adds Comfort Systems USA to Q2 2026 portfolio as AI infrastructure expands Comfort Systems USA stock gained 110% in 52 weeks as AI investment accelerates, with hedge funds adding the company to their portfolios Originally reported by Yahoo Finance.
Parnassus Fund Q2 Report
Parnassus Growth Equity Fund returned 17.49% in Q2 2026, outperforming Russell 1000 Growth Index by 0.75%.
Comfort Systems USA Profile
Comfort Systems USA provides mechanical and electrical services for commercial and industrial data centers.
AI Infrastructure Growth

AI investment accelerated as data centers expanded, driving Comfort Systems USA stock up 110% in 52 weeks.
Hedge Fund Activity
83 hedge funds added Comfort Systems USA to their Q2 2026 portfolios, up from 80 in Q1.
Parnassus Investment Note
Parnassus highlighted Comfort Systems USA as essential for building AI infrastructure through skilled labor.
At a glance
Comfort Systems USA stock gained 110% in 52 weeks as AI investment accelerates, with hedge funds adding the company to their portfolios





