FIX shares rose 223% over the past year as data center and manufacturing demand drove growth, per a fund’s Q2 investor letter.
Comfort Systems USA (FIX) closed at $1,755.07 on July 10, 2026, with a market capitalization of $61.79 billion. The stock gained 223.43% over the past 52 weeks but posted a one-month return of -10.04%.
The company, a provider of mechanical and electrical services, benefited from demand tied to AI infrastructure and manufacturing buildouts. Hedge fund ownership rose to 80 portfolios in Q1 2025, up from 72 in the prior quarter.
ClearBridge SMID Cap Growth Strategy exited its position in FIX during Q2 2026, citing strength in industrials outside of IT as a key driver.