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 		$22.3M Sell
16,200
-9,400
-37% -$11.9M 0.01% 1083
2025
Q4 		$23.9M Buy
25,600
+10,200
+66% +$9.42M 0.01% 1141
2025
Q3 		$12.7M Buy
+15,400
New +$10.4M 0.01% 1497
2025
Q2 		– Sell
-7,000
Closed -$2.26M – 4459
2025
Q1 		$2.26M Sell
7,000
-4,500
-39% -$1.81M ﹤0.01% 2517
2024
Q4 		$4.88M Buy
11,500
+2,200
+24% +$966K ﹤0.01% 1999
2024
Q3 		$3.63M Buy
+9,300
New +$3.06M ﹤0.01% 2210
2014
Q2 		– Sell
-40,000
Closed -$610K – 4303
2014
Q1 		$610K Hold
40,000
– – ﹤0.01% 3429
2013
Q4 		$776K Buy
+40,000
New +$756K ﹤0.01% 3384

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.