Calamos Advisors
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Calamos Advisors’s Ceco Environmental CECO Stock Holding History

Calamos Advisors’s Portfolio CECO Stock Details CECO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$2.82M Sell
40,452
-22,519
-36% -$1.68M 0.01% 634
2026
Q2 		$5.71M Buy
62,971
+4,918
+8% +$389K 0.02% 525
2026
Q1 		$3.46M Buy
58,053
+5,143
+10% +$331K 0.01% 606
2025
Q4 		$3.17M Sell
52,910
-4,711
-8% -$252K 0.01% 581
2025
Q3 		$2.95M Buy
57,621
+26,397
+85% +$1.12M 0.01% 597
2025
Q2 		$884K Buy
31,224
+14,346
+85% +$357K ﹤0.01% 704
2025
Q1 		$385K Sell
16,878
-95,197
-85% -$2.54M ﹤0.01% 740
2024
Q4 		$3.39M Buy
112,075
+24,314
+28% +$692K 0.01% 553
2024
Q3 		$2.47M Sell
87,761
-1,970
-2% -$55.4K 0.01% 589
2024
Q2 		$2.59M Sell
89,731
-52,418
-37% -$1.27M 0.01% 575
2024
Q1 		$3.27M Sell
142,149
-75,592
-35% -$1.56M 0.02% 543
2023
Q4 		$4.42M Buy
217,741
+7,430
+4% +$135K 0.02% 531
2023
Q3 		$3.36M Buy
210,311
+118,429
+129% +$1.62M 0.02% 572
2023
Q2 		$1.23M Sell
91,882
-92,546
-50% -$1.15M 0.01% 686
2023
Q1 		$2.58M Buy
+184,428
New +$2.61M 0.01% 718

Other funds holding CECO

Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Essex Investment Management
Essex Investment Management Boston, Massachusetts $675M AUM 61.81% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Marathon Capital Management
Marathon Capital Management Hunt Valley, Maryland $488M AUM 28.5% 1-Year Est. Return
Moran Wealth Management
Moran Wealth Management Naples, Florida $3.64B AUM 28.63% 1-Year Est. Return
CenterBook Partners
CenterBook Partners Greenwich, Connecticut $2.18B AUM 12.5% 1-Year Est. Return
North Star Investment Management
North Star Investment Management Chicago, Illinois $1.85B AUM 21.53% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return
NorthCrest Asset Manangement
NorthCrest Asset Manangement Plymouth, Minnesota $4.24B AUM 32.82% 1-Year Est. Return

Calamos Advisors's CECO Position: Q3 2026 in Review

Calamos Advisors reduced its Ceco Environmental (CECO) stake by 36% in Q3 2026, selling an estimated $1.68M and leaving 40,452 shares worth $2.82M. The position accounts for 0.01% of the portfolio, ranked #634.

Calamos Advisors first reported a position in CECO in Q1 2023 and has held it in 15 quarters since. The position peaked at $5.71M in Q2 2026. 84 funds tracked by Wall St. Rank hold CECO as of Q3 2026.

  • Calamos Advisors held 40,452 shares of Ceco Environmental worth $2.82M as of Q3 2026.
  • Calamos Advisors sold 22,519 Ceco Environmental shares in Q3 2026, an estimated $1.68M.
  • Ceco Environmental made up 0.01% of Calamos Advisors's portfolio in Q3 2026, its #634 holding.
  • Calamos Advisors first reported a position in Ceco Environmental in Q1 2023 and has held it in 15 quarters since.
  • Calamos Advisors's Ceco Environmental position peaked at $5.71M in Q2 2026.
  • 84 funds tracked by Wall St. Rank held Ceco Environmental as of Q3 2026.

Based on Calamos Advisors's 13F filing for Q3 2026, filed 2 Nov 2026.