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Driehaus Capital Management LLC

Position in FIX — Comfort Systems USA Inc

CIK 938206 Chicago, IL

Position in FIX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$56,683,383
+$18,901,938 QoQ
Shares Held
41,105
+1.5% QoQ
Ownership
0.117%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2022
14 quarters on record
Voting authority Sole 98.6814256173215.ToString("F0")% Shared 0.ToString("F0")% None 1.3185743826785061.ToString("F0")%

Common Shares in FIX Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

Driehaus Capital Management LLC holds $577,942,495 across 12 Engineering & Construction names. FIX ranks #5 (9.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 FIX
Comfort Systems USA Inc
This page
41,105 $56,683,383

All Filings in FIX

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14 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $56,683,383 41,105
2025-12-31 $37,781,445 40,482
2025-09-30 $41,749,156 50,594
2025-06-30 $29,136,042 54,337
2024-12-31 $67,429,780 159,010
2024-09-30 $79,880,052 204,637
2024-06-30 $46,440,036 152,703
2024-03-31 $45,858,261 144,340
2023-12-31 $39,690,402 192,981
2023-09-30 $38,935,106 228,479
2023-06-30 $42,024,527 255,935
2023-03-31 $36,703,247 251,461
2022-12-31 $28,423,033 246,985
2022-09-30 $19,628,735 201,672