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Keystone Investors’s Comfort Systems FIX Stock Holding History

Keystone Investors’s Portfolio FIX Stock Details FIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$1.32M Buy
+1,416
New +$1.31M 0.12% 53

Other funds holding FIX

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Keystone Investors's FIX Position: Q4 2025 in Review

Keystone Investors opened a new position in Comfort Systems (FIX) in Q4 2025: 1,416 shares worth $1.32M. The stake represents 0.12% of the portfolio and ranks #53 among its holdings.

1,039 funds tracked by Wall St. Rank hold FIX as of Q4 2025.

  • Keystone Investors held 1,416 shares of Comfort Systems worth $1.32M as of Q4 2025.
  • Comfort Systems was a new Keystone Investors position in Q4 2025.
  • Comfort Systems made up 0.12% of Keystone Investors's portfolio in Q4 2025, its #53 holding.
  • 1,039 funds tracked by Wall St. Rank held Comfort Systems as of Q4 2025.

Based on Keystone Investors's 13F filing for Q4 2025, filed 13 Feb 2026.