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Calamos Advisors LLC

Position in FIX — Comfort Systems USA Inc

CIK 1316507 NAPERVILLE, IL

Position in FIX

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$12,240,523
+$3,820,411 QoQ
Shares Held
6,176
+1.1% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#308
of 1,351 holders
Holding Since
Sep 2023
8 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in FIX Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

Calamos Advisors LLC holds $120,720,327 across 8 Engineering & Construction names. FIX ranks #2 (10.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 FIX
Comfort Systems USA Inc
This page
6,176 $12,240,523

All Filings in FIX

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,240,523 6,176
2026-03-31 $8,420,112 6,106
2025-12-31 $1,727,519 1,851
2025-09-30 $1,527,408 1,851
2024-06-30 $691,568 2,274
2024-03-31 $1,255,907 3,953
2023-12-31 $691,667 3,363
2023-09-30 $577,007 3,386