PEAK6
FIX icon

PEAK6’s Comfort Systems FIX Stock Holding History

PEAK6’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
2026
Q2 		$10.9M Buy
5,512
+899
+19% +$1.63M 0.02% 535
2026
Q1 		$6.36M Buy
+4,613
New +$5.86M 0.01% 779
2025
Q4 		– Sell
-2
Closed -$1.74K – 2998
2025
Q3 		$1.74K Buy
2
+1
+100% +$678 ﹤0.01% 2796
2025
Q2 		$571 Sell
1
-8,610
-100% -$3.75M ﹤0.01% 2885
2025
Q1 		$2.78M Buy
+8,611
New +$3.47M 0.01% 1246

Other funds holding FIX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

PEAK6's FIX Position: Q2 2026 in Review

PEAK6 increased its Comfort Systems (FIX) stake by 19% in Q2 2026, buying an estimated $1.63M and bringing the position to 5,512 shares worth $10.9M. The position accounts for 0.02% of the portfolio, ranked #535.

PEAK6 first reported a position in FIX in Q1 2025 and has held it in 5 quarters since. 1,350 funds tracked by Wall St. Rank hold FIX as of Q2 2026.

  • PEAK6 held 5,512 shares of Comfort Systems worth $10.9M as of Q2 2026.
  • PEAK6 bought 899 Comfort Systems shares in Q2 2026, an estimated $1.63M.
  • Comfort Systems made up 0.02% of PEAK6's portfolio in Q2 2026, its #535 holding.
  • PEAK6 first reported a position in Comfort Systems in Q1 2025 and has held it in 5 quarters since.
  • 1,350 funds tracked by Wall St. Rank held Comfort Systems as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.