D.E. Shaw & Co
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D.E. Shaw & Co’s Comfort Systems FIX Stock Holding History

D.E. Shaw & Co’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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 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

D.E. Shaw & Co's FIX Position: Q1 2026 in Review

D.E. Shaw & Co reduced its Comfort Systems (FIX) stake by 20% in Q1 2026, selling an estimated $21.2M and leaving 67,779 shares worth $93.5M. The position accounts for 0.06% of the portfolio, ranked #402.

D.E. Shaw & Co first reported a position in FIX in Q4 2013 and has held it in 48 quarters since. The position peaked at $155M in Q3 2025. 1,195 funds tracked by Wall St. Rank hold FIX as of Q1 2026.

  • D.E. Shaw & Co held 67,779 shares of Comfort Systems worth $93.5M as of Q1 2026.
  • D.E. Shaw & Co sold 16,722 Comfort Systems shares in Q1 2026, an estimated $21.2M.
  • Comfort Systems made up 0.06% of D.E. Shaw & Co's portfolio in Q1 2026, its #402 holding.
  • D.E. Shaw & Co first reported a position in Comfort Systems in Q4 2013 and has held it in 48 quarters since.
  • D.E. Shaw & Co's Comfort Systems position peaked at $155M in Q3 2025.
  • 1,195 funds tracked by Wall St. Rank held Comfort Systems as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.