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Calamos Advisors LLC

Position in CECO — Ceco Environmental Corp

CIK 1316507 NAPERVILLE, IL

Position in CECO

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$5,713,988
+$2,255,191 QoQ
Shares Held
62,971
+8.5% QoQ
Ownership
0.108%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
14 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in CECO Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

Calamos Advisors LLC holds $9,923,450 across 3 Pollution & Treatment Controls names. CECO ranks #1 (57.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CECO
Ceco Environmental Corp
This page
62,971 $5,713,988

All Filings in CECO

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,713,988 62,971
2026-03-31 $3,458,797 58,053
2025-12-31 $3,166,663 52,910
2025-09-30 $2,950,194 57,621
2025-06-30 $883,951 31,224
2025-03-31 $384,818 16,878
2024-12-31 $3,388,026 112,075
2024-09-30 $2,474,859 87,761
2024-06-30 $2,588,738 89,731
2024-03-31 $3,272,269 142,149
2023-12-31 $4,415,786 217,741
2023-09-30 $3,358,665 210,311
2023-06-30 $1,227,542 91,882
2023-03-31 $2,580,146 184,428