Group One Trading’s Comfort Systems FIX Stock Holding History

Group One Trading’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	$2.9M	Buy	2,100 +900	+75%	+$1.14M	0.01%	1739
2025 Q4	$1.12M	Buy	1,200 +1,000	+500%	+$923K	﹤0.01%	2784
2025 Q3	$165K	Sell	200 -800	-80%	-$542K	﹤0.01%	4883
2025 Q2	$536K	Buy	+1,000	New	+$436K	﹤0.01%	3343
2024 Q3	–	Sell	-1,200	Closed	-$365K	–	6838
2024 Q2	$365K	Buy	+1,200	New	+$381K	﹤0.01%	2854
2023 Q1	–	Sell	-1,700	Closed	-$196K	–	7425
2022 Q4	$196K	Hold	1,700	–	–	﹤0.01%	3879
2022 Q3	$165K	Buy	+1,700	New	+$167K	﹤0.01%	4326

Other funds holding FIX

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Group One Trading's FIX Position: Q1 2026 in Review

Group One Trading increased its Comfort Systems (FIX) stake by 38% in Q1 2026, buying an estimated $16.5K and bringing the position to 47 shares worth $64.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5070.

Group One Trading first reported a position in FIX in Q3 2022 and has held it in 3 quarters since. The position peaked at $78K in Q3 2022. 1,196 funds tracked by Wall St. Rank hold FIX as of Q1 2026.

Group One Trading held 47 shares of Comfort Systems worth $64.8K as of Q1 2026.
Group One Trading bought 13 Comfort Systems shares in Q1 2026, an estimated $16.5K.
Comfort Systems made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5070 holding.
Group One Trading first reported a position in Comfort Systems in Q3 2022 and has held it in 3 quarters since.
Group One Trading's Comfort Systems position peaked at $78K in Q3 2022.
1,196 funds tracked by Wall St. Rank held Comfort Systems as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.