DCM
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Driehaus Capital Management’s Comfort Systems FIX Stock Holding History

Driehaus Capital Management’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 		$56.7M Buy
41,105
+623
+2% +$791K 0.42% 81
2025
Q4 		$37.8M Sell
40,482
-10,112
-20% -$9.34M 0.26% 128
2025
Q3 		$41.7M Sell
50,594
-3,743
-7% -$2.54M 0.3% 110
2025
Q2 		$29.1M Buy
+54,337
New +$23.7M 0.23% 139
2025
Q1 		– Sell
-159,010
Closed -$67.4M – 424
2024
Q4 		$67.4M Sell
159,010
-45,627
-22% -$20M 0.56% 43
2024
Q3 		$79.9M Buy
204,637
+51,934
+34% +$17.1M 0.69% 33
2024
Q2 		$46.4M Buy
152,703
+8,363
+6% +$2.66M 0.45% 69
2024
Q1 		$45.9M Sell
144,340
-48,641
-25% -$12.4M 0.46% 61
2023
Q4 		$39.7M Sell
192,981
-35,498
-16% -$6.56M 0.48% 54
2023
Q3 		$38.9M Sell
228,479
-27,456
-11% -$4.82M 0.51% 44
2023
Q2 		$42M Buy
255,935
+4,474
+2% +$665K 0.53% 45
2023
Q1 		$36.7M Buy
251,461
+4,476
+2% +$581K 0.52% 41
2022
Q4 		$28.4M Buy
246,985
+45,313
+22% +$5.27M 0.42% 72
2022
Q3 		$19.6M Buy
+201,672
New +$19.8M 0.3% 106
2019
Q2 		– Sell
-79,795
Closed -$4.18M – 493
2019
Q1 		$4.18M Sell
79,795
-105,571
-57% -$5.27M 0.16% 152
2018
Q4 		$8.1M Buy
185,366
+54,808
+42% +$2.8M 0.35% 81
2018
Q3 		$7.36M Buy
+130,558
New +$7M 0.23% 139
2016
Q3 		– Sell
-82,103
Closed -$2.67M – 552
2016
Q2 		$2.67M Sell
82,103
-42,548
-34% -$1.36M 0.1% 224
2016
Q1 		$3.96M Sell
124,651
-58,504
-32% -$1.65M 0.13% 162
2015
Q4 		$5.21M Buy
183,155
+54,402
+42% +$1.66M 0.18% 130
2015
Q3 		$3.51M Buy
+128,753
New +$3.45M 0.13% 185
2015
Q2 		– Sell
-148,271
Closed -$3.12M – 538
2015
Q1 		$3.12M Buy
148,271
+56,000
+61% +$998K 0.11% 238
2014
Q4 		$1.58M Buy
+92,271
New +$1.39M 0.06% 354

Other funds holding FIX

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Driehaus Capital Management's FIX Position: Q1 2026 in Review

Driehaus Capital Management increased its Comfort Systems (FIX) stake by 1.5% in Q1 2026, buying an estimated $791K and bringing the position to 41,105 shares worth $56.7M. The position accounts for 0.42% of the portfolio, ranked #81.

Driehaus Capital Management first reported a position in FIX in Q4 2014 and has held it in 23 quarters since. The position peaked at $79.9M in Q3 2024. 1,195 funds tracked by Wall St. Rank hold FIX as of Q1 2026.

  • Driehaus Capital Management held 41,105 shares of Comfort Systems worth $56.7M as of Q1 2026.
  • Driehaus Capital Management bought 623 Comfort Systems shares in Q1 2026, an estimated $791K.
  • Comfort Systems made up 0.42% of Driehaus Capital Management's portfolio in Q1 2026, its #81 holding.
  • Driehaus Capital Management first reported a position in Comfort Systems in Q4 2014 and has held it in 23 quarters since.
  • Driehaus Capital Management's Comfort Systems position peaked at $79.9M in Q3 2024.
  • 1,195 funds tracked by Wall St. Rank held Comfort Systems as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.