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 | $218M | Buy |
158,100
+100,400
| +174% | +$127M | 0.04% | 421 |
|
|
2025
Q4 | $53.9M | Sell |
57,700
-8,900
| -13% | -$8.22M | 0.01% | 1341 |
|
|
2025
Q3 | $55M | Buy |
66,600
+38,700
| +139% | +$26.2M | 0.01% | 1286 |
|
|
2025
Q2 | $15M | Sell |
27,900
-11,200
| -29% | -$4.88M | ﹤0.01% | 2520 |
|
|
2025
Q1 | $12.6M | Buy |
39,100
+1,900
| +5% | +$766K | ﹤0.01% | 2562 |
|
|
2024
Q4 | $15.8M | Buy |
37,200
+16,900
| +83% | +$7.42M | ﹤0.01% | 2428 |
|
|
2024
Q3 | $7.92M | Buy |
20,300
+14,700
| +263% | +$4.84M | ﹤0.01% | 3258 |
|
|
2024
Q2 | $1.7M | Sell |
5,600
-6,000
| -52% | -$1.91M | ﹤0.01% | 5613 |
|
|
2024
Q1 | $3.69M | Buy |
11,600
+3,500
| +43% | +$894K | ﹤0.01% | 4454 |
|
|
2023
Q4 | $1.67M | Sell |
8,100
-6,000
| -43% | -$1.11M | ﹤0.01% | 5698 |
|
|
2023
Q3 | $2.4M | Buy |
14,100
+11,200
| +386% | +$1.97M | ﹤0.01% | 4882 |
|
|
2023
Q2 | $476K | Buy |
2,900
+700
| +32% | +$104K | ﹤0.01% | 8051 |
|
|
2023
Q1 | $321K | Sell |
2,200
-9,000
| -80% | -$1.17M | ﹤0.01% | 9240 |
|
|
2022
Q4 | $1.29M | Buy |
11,200
+7,500
| +203% | +$872K | ﹤0.01% | 6325 |
|
|
2022
Q3 | $360K | Buy |
+3,700
| New | +$363K | ﹤0.01% | 9181 |
|
|
2022
Q2 | – | Sell |
-2,700
| Closed | -$240K | – | 13227 |
|
|
2022
Q1 | $240K | Buy |
+2,700
| New | +$242K | ﹤0.01% | 11100 |
|
|
2021
Q4 | – | Sell |
-24,900
| Closed | -$1.78M | – | 14089 |
|
|
2021
Q3 | $1.78M | Buy |
24,900
+20,300
| +441% | +$1.51M | ﹤0.01% | 6674 |
|
|
2021
Q2 | $362K | Sell |
4,600
-1,200
| -21% | -$97.8K | ﹤0.01% | 10812 |
|
|
2021
Q1 | $434K | Sell |
5,800
-17,800
| -75% | -$1.14M | ﹤0.01% | 10001 |
|
|
2020
Q4 | $1.24M | Buy |
23,600
+1,800
| +8% | +$93.4K | ﹤0.01% | 6331 |
|
|
2020
Q3 | $1.12M | Buy |
+21,800
| New | +$1.06M | ﹤0.01% | 5833 |
|
|
2019
Q3 | – | Sell |
-5,800
| Closed | -$296K | – | 9335 |
|
|
2019
Q2 | $296K | Sell |
5,800
-8,700
| -60% | -$448K | ﹤0.01% | 7600 |
|
|
2019
Q1 | $760K | Buy |
14,500
+2,000
| +16% | +$99.8K | ﹤0.01% | 6075 |
|
|
2018
Q4 | $546K | Sell |
12,500
-5,600
| -31% | -$287K | ﹤0.01% | 6273 |
|
|
2018
Q3 | $1.02M | Buy |
18,100
+6,900
| +62% | +$370K | ﹤0.01% | 5506 |
|
|
2018
Q2 | $513K | Buy |
11,200
+3,400
| +44% | +$152K | ﹤0.01% | 6325 |
|
|
2018
Q1 | $322K | Buy |
+7,800
| New | +$328K | ﹤0.01% | 6632 |
|
|
2016
Q1 | – | Sell |
-5,800
| Closed | -$165K | – | 7140 |
|
|
2015
Q4 | $165K | Buy |
5,800
+4,300
| +287% | +$131K | ﹤0.01% | 6062 |
|
|
2015
Q3 | $41K | Sell |
1,500
-1,300
| -46% | -$34.8K | ﹤0.01% | 7710 |
|
|
2015
Q2 | $64K | Buy |
2,800
+1,100
| +65% | +$24.2K | ﹤0.01% | 7485 |
|
|
2015
Q1 | $36K | Buy |
+1,700
| New | +$30.3K | ﹤0.01% | 7592 |
|
|
2014
Q4 | – | Sell |
-4,900
| Closed | -$66K | – | 8549 |
|
|
2014
Q3 | $66K | Buy |
4,900
+3,400
| +227% | +$51.2K | ﹤0.01% | 6706 |
|
|
2014
Q2 | $24K | Buy |
1,500
+200
| +15% | +$3.13K | ﹤0.01% | 7208 |
|
|
2014
Q1 | $20K | Sell |
1,300
-2,300
| -64% | -$39.2K | ﹤0.01% | 7288 |
|
|
2013
Q4 | $70K | Buy |
+3,600
| New | +$68.1K | ﹤0.01% | 5856 |
|
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.