Cubist Systematic Strategies’s Comfort Systems FIX Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$11.2M	Sell	13,600 -1,400	-9%	-$949K	0.05%	507
2025 Q2	$8.04M	Sell	15,000 -3,900	-21%	-$1.7M	0.04%	730
2025 Q1	$6.09M	Buy	18,900 +11,400	+152%	+$4.6M	0.04%	767
2024 Q4	$3.18M	Sell	7,500 -8,400	-53%	-$3.69M	0.02%	1087
2024 Q3	$6.21M	Sell	15,900 -13,600	-46%	-$4.48M	0.04%	715
2024 Q2	$8.97M	Buy	29,500 +8,300	+39%	+$2.64M	0.06%	456
2024 Q1	$6.74M	Buy	21,200 +14,900	+237%	+$3.81M	0.04%	768
2023 Q4	$1.3M	Buy	6,300 +1,800	+40%	+$333K	0.01%	1844
2023 Q3	$767K	Buy	4,500 +100	+2%	+$17.5K	0.01%	2050
2023 Q2	$722K	Buy	+4,400	New	+$654K	﹤0.01%	2168

Other funds holding FIX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

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

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

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

Cubist Systematic Strategies's FIX Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Comfort Systems (FIX) in Q3 2025: 13,285 shares worth $11M. The stake represents 0.05% of the portfolio and ranks #519 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in FIX as recently as Q3 2024.

Cubist Systematic Strategies first reported a position in FIX in Q3 2015 and has held it in 30 quarters since. The position peaked at $20M in Q3 2024. 885 funds tracked by Wall St. Rank hold FIX as of Q3 2025.

Cubist Systematic Strategies held 13,285 shares of Comfort Systems worth $11M as of Q3 2025.
Comfort Systems was a new Cubist Systematic Strategies position in Q3 2025.
Comfort Systems made up 0.05% of Cubist Systematic Strategies's portfolio in Q3 2025, its #519 holding.
Cubist Systematic Strategies first reported a position in Comfort Systems in Q3 2015 and has held it in 30 quarters since.
Cubist Systematic Strategies's Comfort Systems position peaked at $20M in Q3 2024.
885 funds tracked by Wall St. Rank held Comfort Systems as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.