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David Shaw’s Comfort Systems FIX Stock Holding History

David Shaw’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 		$34.9M Buy
17,600
+5,500
+45% +$9.98M 0.02% 961
2026
Q1 		$16.7M Sell
12,100
-2,100
-15% -$2.67M 0.01% 1266
2025
Q4 		$13.3M Buy
14,200
+8,100
+133% +$7.48M 0.01% 1512
2025
Q3 		$5.03M Sell
6,100
-500
-8% -$339K ﹤0.01% 2200
2025
Q2 		$3.54M Sell
6,600
-1,100
-14% -$479K ﹤0.01% 2296
2025
Q1 		$2.48M Buy
7,700
+3,800
+97% +$1.53M ﹤0.01% 2448
2024
Q4 		$1.65M Buy
3,900
+2,800
+255% +$1.23M ﹤0.01% 2869
2024
Q3 		$429K Buy
+1,100
New +$362K ﹤0.01% 3789

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

David Shaw's FIX Position: Q2 2026 in Review

David Shaw reduced its Comfort Systems (FIX) stake by 0.96% in Q2 2026, selling an estimated $1.18M and leaving 67,126 shares worth $133M. The position accounts for 0.06% of the portfolio, ranked #340.

David Shaw first reported a position in FIX in Q4 2013 and has held it in 49 quarters since. The position peaked at $155M in Q3 2025. 1,342 funds tracked by Wall St. Rank hold FIX as of Q2 2026.

  • David Shaw held 67,126 shares of Comfort Systems worth $133M as of Q2 2026.
  • David Shaw sold 653 Comfort Systems shares in Q2 2026, an estimated $1.18M.
  • Comfort Systems made up 0.06% of David Shaw's portfolio in Q2 2026, its #340 holding.
  • David Shaw first reported a position in Comfort Systems in Q4 2013 and has held it in 49 quarters since.
  • David Shaw's Comfort Systems position peaked at $155M in Q3 2025.
  • 1,342 funds tracked by Wall St. Rank held Comfort Systems as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.