Citadel Advisors’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 | $33.5M | Buy |
24,295
+15,156
| +166% | +$19.2M | 0.01% | 1741 |
|
|
2025
Q4 | $8.53M | Sell |
9,139
-60,065
| -87% | -$55.5M | ﹤0.01% | 3468 |
|
|
2025
Q3 | $57.1M | Buy |
69,204
+4,881
| +8% | +$3.31M | 0.01% | 1259 |
|
|
2025
Q2 | $34.5M | Sell |
64,323
-129,398
| -67% | -$56.4M | 0.01% | 1544 |
|
|
2025
Q1 | $62.4M | Buy |
193,721
+168,176
| +658% | +$67.8M | 0.01% | 987 |
|
|
2024
Q4 | $10.8M | Sell |
25,545
-15,876
| -38% | -$6.97M | ﹤0.01% | 2888 |
|
|
2024
Q3 | $16.2M | Buy |
41,421
+3,009
| +8% | +$991K | ﹤0.01% | 2291 |
|
|
2024
Q2 | $11.7M | Sell |
38,412
-42,254
| -52% | -$13.4M | ﹤0.01% | 2586 |
|
|
2024
Q1 | $25.6M | Buy |
80,666
+21,050
| +35% | +$5.38M | ﹤0.01% | 1825 |
|
|
2023
Q4 | $12.3M | Buy |
59,616
+40,835
| +217% | +$7.54M | ﹤0.01% | 2592 |
|
|
2023
Q3 | $3.2M | Sell |
18,781
-414
| -2% | -$72.6K | ﹤0.01% | 4368 |
|
|
2023
Q2 | $3.15M | Sell |
19,195
-250,502
| -93% | -$37.3M | ﹤0.01% | 4376 |
|
|
2023
Q1 | $39.4M | Buy |
269,697
+114,011
| +73% | +$14.8M | 0.01% | 1285 |
|
|
2022
Q4 | $17.9M | Buy |
155,686
+30,856
| +25% | +$3.59M | ﹤0.01% | 2085 |
|
|
2022
Q3 | $12.2M | Buy |
124,830
+92,599
| +287% | +$9.08M | ﹤0.01% | 2476 |
|
|
2022
Q2 | $2.68M | Buy |
32,231
+5,980
| +23% | +$514K | ﹤0.01% | 4972 |
|
|
2022
Q1 | $2.34M | Buy |
26,251
+2,848
| +12% | +$256K | ﹤0.01% | 5748 |
|
|
2021
Q4 | $2.31M | Sell |
23,403
-21,535
| -48% | -$1.99M | ﹤0.01% | 5905 |
|
|
2021
Q3 | $3.21M | Buy |
44,938
+19,963
| +80% | +$1.49M | ﹤0.01% | 5217 |
|
|
2021
Q2 | $1.97M | Sell |
24,975
-21,580
| -46% | -$1.76M | ﹤0.01% | 6662 |
|
|
2021
Q1 | $3.48M | Sell |
46,555
-45,271
| -49% | -$2.89M | ﹤0.01% | 5085 |
|
|
2020
Q4 | $4.83M | Buy |
91,826
+23,952
| +35% | +$1.24M | ﹤0.01% | 3747 |
|
|
2020
Q3 | $3.5M | Sell |
67,874
-82,476
| -55% | -$4M | ﹤0.01% | 3713 |
|
|
2020
Q2 | $6.13M | Sell |
150,350
-160,292
| -52% | -$5.7M | ﹤0.01% | 2802 |
|
|
2020
Q1 | $11.4M | Sell |
310,642
-49,555
| -14% | -$2.2M | 0.01% | 1726 |
|
|
2019
Q4 | $18M | Buy |
360,197
+77,506
| +27% | +$3.77M | 0.01% | 1585 |
|
|
2019
Q3 | $12.5M | Buy |
282,691
+101,773
| +56% | +$4.44M | 0.01% | 1967 |
|
|
2019
Q2 | $9.22M | Buy |
180,918
+5,550
| +3% | +$286K | ﹤0.01% | 2271 |
|
|
2019
Q1 | $9.19M | Sell |
175,368
-15,591
| -8% | -$778K | ﹤0.01% | 2178 |
|
|
2018
Q4 | $8.34M | Buy |
190,959
+129,656
| +212% | +$6.64M | ﹤0.01% | 2122 |
|
|
2018
Q3 | $3.46M | Buy |
61,303
+5,853
| +11% | +$314K | ﹤0.01% | 3514 |
|
|
2018
Q2 | $2.54M | Buy |
55,450
+34,776
| +168% | +$1.55M | ﹤0.01% | 3731 |
|
|
2018
Q1 | $853K | Sell |
20,674
-34,146
| -62% | -$1.44M | ﹤0.01% | 5043 |
|
|
2017
Q4 | $2.39M | Sell |
54,820
-6,616
| -11% | -$271K | ﹤0.01% | 3382 |
|
|
2017
Q3 | $2.19M | Buy |
61,436
+24,839
| +68% | +$858K | ﹤0.01% | 3304 |
|
|
2017
Q2 | $1.36M | Sell |
36,597
-46,987
| -56% | -$1.67M | ﹤0.01% | 3665 |
|
|
2017
Q1 | $3.06M | Buy |
83,584
+21,648
| +35% | +$752K | ﹤0.01% | 2555 |
|
|
2016
Q4 | $2.06M | Sell |
61,936
-2,593
| -4% | -$80.8K | ﹤0.01% | 2916 |
|
|
2016
Q3 | $1.89M | Buy |
64,529
+55,212
| +593% | +$1.64M | ﹤0.01% | 3029 |
|
|
2016
Q2 | $303K | Sell |
9,317
-5,922
| -39% | -$189K | ﹤0.01% | 5204 |
|
|
2016
Q1 | $484K | Sell |
15,239
-5,312
| -26% | -$150K | ﹤0.01% | 4458 |
|
|
2015
Q4 | $584K | Sell |
20,551
-28,049
| -58% | -$853K | ﹤0.01% | 4262 |
|
|
2015
Q3 | $1.32M | Sell |
48,600
-62,227
| -56% | -$1.67M | ﹤0.01% | 3447 |
|
|
2015
Q2 | $2.54M | Buy |
110,827
+54,732
| +98% | +$1.2M | ﹤0.01% | 2782 |
|
|
2015
Q1 | $1.18M | Buy |
+56,095
| New | +$999K | ﹤0.01% | 3728 |
|
|
2014
Q4 | – | Sell |
-54,516
| Closed | -$739K | – | 8548 |
|
|
2014
Q3 | $739K | Buy |
54,516
+20,827
| +62% | +$314K | ﹤0.01% | 4112 |
|
|
2014
Q2 | $533K | Sell |
33,689
-19,496
| -37% | -$305K | ﹤0.01% | 4306 |
|
|
2014
Q1 | $810K | Sell |
53,185
-31,419
| -37% | -$536K | ﹤0.01% | 3695 |
|
|
2013
Q4 | $1.64M | Buy |
84,604
+53,637
| +173% | +$1.01M | ﹤0.01% | 2741 |
|
|
2013
Q3 | $521K | Sell |
30,967
-42,937
| -58% | -$688K | ﹤0.01% | 3773 |
|
|
2013
Q2 | $1.1M | Buy |
+73,904
| New | +$1.01M | ﹤0.01% | 3087 |
|
Other funds holding FIX
VCM
VPM
Citadel Advisors's FIX Position: Q1 2026 in Review
Citadel Advisors increased its Comfort Systems (FIX) stake by 166% in Q1 2026, buying an estimated $19.2M and bringing the position to 24,295 shares worth $33.5M. The position accounts for 0.01% of the portfolio, ranked #1741.
Citadel Advisors first reported a position in FIX in Q2 2013 and has held it in 51 quarters since. The position peaked at $62.4M in Q1 2025. 1,195 funds tracked by Wall St. Rank hold FIX as of Q1 2026.
- Citadel Advisors held 24,295 shares of Comfort Systems worth $33.5M as of Q1 2026.
- Citadel Advisors bought 15,156 Comfort Systems shares in Q1 2026, an estimated $19.2M.
- Comfort Systems made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1741 holding.
- Citadel Advisors first reported a position in Comfort Systems in Q2 2013 and has held it in 51 quarters since.
- Citadel Advisors's Comfort Systems position peaked at $62.4M in Q1 2025.
- 1,195 funds tracked by Wall St. Rank held Comfort Systems as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.