Jim Simons’s Comfort Systems FIX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$78.1M Buy
56,660
+2,680
+5% +$3.4M 0.12% 195
2025
Q4
$50.4M Buy
53,980
+3,580
+7% +$3.31M 0.08% 293
2025
Q3
$41.6M Sell
50,400
-79,900
-61% -$54.2M 0.05% 425
2025
Q2
$69.9M Sell
130,300
-900
-0.7% -$392K 0.09% 241
2025
Q1
$42.3M Buy
131,200
+79,900
+156% +$32.2M 0.06% 377
2024
Q4
$21.8M Sell
51,300
-42,700
-45% -$18.7M 0.03% 634
2024
Q3
$36.7M Buy
94,000
+60,200
+178% +$19.8M 0.06% 428
2024
Q2
$10.3M Buy
33,800
+11,800
+54% +$3.75M 0.02% 903
2024
Q1
$6.99M Sell
22,000
-14,600
-40% -$3.73M 0.01% 1199
2023
Q4
$7.53M Buy
+36,600
New +$6.76M 0.01% 1081
2023
Q3
Sell
-24,000
Closed -$3.94M 3804
2023
Q2
$3.94M Sell
24,000
-77,200
-76% -$11.5M 0.01% 1568
2023
Q1
$14.8M Buy
101,200
+68,900
+213% +$8.94M 0.02% 876
2022
Q4
$3.72M Buy
+32,300
New +$3.76M 0.01% 1691
2022
Q2
Sell
-39,800
Closed -$3.54M 4334
2022
Q1
$3.54M Buy
+39,800
New +$3.57M ﹤0.01% 1822
2021
Q4
Sell
-50,600
Closed -$3.61M 3995
2021
Q3
$3.61M Sell
50,600
-3,774
-7% -$281K ﹤0.01% 1665
2021
Q2
$4.28M Sell
54,374
-42,326
-44% -$3.45M 0.01% 1723
2021
Q1
$7.23M Buy
96,700
+8,800
+10% +$562K 0.01% 1414
2020
Q4
$4.63M Sell
87,900
-7,300
-8% -$379K 0.01% 1643
2020
Q3
$4.9M Sell
95,200
-3,400
-3% -$165K ﹤0.01% 1588
2020
Q2
$4.02M Buy
98,600
+77,000
+356% +$2.74M ﹤0.01% 1780
2020
Q1
$789K Buy
+21,600
New +$957K ﹤0.01% 2539
2019
Q3
Sell
-127,480
Closed -$6.5M 3505
2019
Q2
$6.5M Sell
127,480
-283,400
-69% -$14.6M 0.01% 1667
2019
Q1
$21.5M Sell
410,880
-206,100
-33% -$10.3M 0.02% 934
2018
Q4
$26.9M Sell
616,980
-70,020
-10% -$3.58M 0.03% 714
2018
Q3
$38.7M Sell
687,000
-100
-0% -$5.36K 0.04% 555
2018
Q2
$31.5M Buy
687,100
+19,400
+3% +$865K 0.03% 655
2018
Q1
$27.5M Buy
667,700
+100
+0% +$4.2K 0.03% 758
2017
Q4
$29.1M Sell
667,600
-85,500
-11% -$3.5M 0.03% 711
2017
Q3
$26.9M Sell
753,100
-114,992
-13% -$3.97M 0.03% 723
2017
Q2
$32.2M Buy
868,092
+90,592
+12% +$3.22M 0.04% 573
2017
Q1
$28.5M Buy
777,500
+30,800
+4% +$1.07M 0.04% 595
2016
Q4
$24.9M Buy
746,700
+31,200
+4% +$972K 0.04% 649
2016
Q3
$21M Buy
715,500
+21,600
+3% +$642K 0.04% 670
2016
Q2
$22.6M Sell
693,900
-59,400
-8% -$1.89M 0.04% 604
2016
Q1
$23.9M Sell
753,300
-13,100
-2% -$371K 0.05% 554
2015
Q4
$21.8M Buy
766,400
+375,492
+96% +$11.4M 0.05% 504
2015
Q3
$10.7M Buy
390,908
+267,408
+217% +$7.16M 0.03% 901
2015
Q2
$2.83M Buy
123,500
+3,787
+3% +$83.2K 0.01% 1839
2015
Q1
$2.52M Buy
+119,713
New +$2.13M 0.01% 1799
2014
Q4
Sell
-63,900
Closed -$866K 3013
2014
Q3
$866K Buy
63,900
+8,100
+15% +$122K ﹤0.01% 2092
2014
Q2
$882K Sell
55,800
-261,297
-82% -$4.08M ﹤0.01% 2110
2014
Q1
$4.83M Buy
317,097
+64,697
+26% +$1.1M 0.01% 1271
2013
Q4
$4.89M Buy
252,400
+219,000
+656% +$4.14M 0.01% 1201
2013
Q3
$561K Buy
+33,400
New +$535K ﹤0.01% 2263

Other funds holding FIX

Jim Simons's FIX Position: Q1 2026 in Review

Jim Simons increased its Comfort Systems (FIX) stake by 5% in Q1 2026, buying an estimated $3.4M and bringing the position to 56,660 shares worth $78.1M. The position accounts for 0.12% of the portfolio, ranked #195.

Jim Simons first reported a position in FIX in Q3 2013 and has held it in 44 quarters since. 1,200 funds tracked by Wall St. Rank hold FIX as of Q1 2026.

  • Jim Simons held 56,660 shares of Comfort Systems worth $78.1M as of Q1 2026.
  • Jim Simons bought 2,680 Comfort Systems shares in Q1 2026, an estimated $3.4M.
  • Comfort Systems made up 0.12% of Jim Simons's portfolio in Q1 2026, its #195 holding.
  • Jim Simons first reported a position in Comfort Systems in Q3 2013 and has held it in 44 quarters since.
  • 1,200 funds tracked by Wall St. Rank held Comfort Systems as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.