CECO
Ceco Environment (CECO)
NASDAQ
$78.36+$0.02 (+0.02%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $4.6B
    Market Cap
  • 62.77%
    1-Year Change
  • Pollution & Treatment Controls
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUND ADVISORS
9.07%
5.3M
+522,114 (+9.85%)
Dec 31, 2016
TRIGRAN INVESTMENTS, INC.
5.21%
3.0M
-240,691 (-7.90%)
Dec 31, 2022
DIMENSIONAL FUND ADVISORS LP
4.04%
2.4M
+58,563 (+2.48%)
Dec 31, 2022
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.
3.12%
1.8M
+44,544 (+2.44%)
Dec 31, 2016
KING LUTHER CAPITAL MANAGEMENT CORP
2.95%
1.7M
-64,988 (-3.78%)
Dec 31, 2022
VANGUARD GROUP INC
2.24%
1.3M
-18,272 (-1.40%)
Dec 31, 2022
AMERICAN CENTURY COMPANIES INC
2.02%
1.2M
-434,691 (-36.81%)
Dec 31, 2022

Current Ownership Distribution

  • Mutual Funds129.0M (75.72%)
  • Institutions32.1M (18.85%)
  • Insiders9.3M (5.44%)
  • Other0 (0.00%)

Insider Transactions

  • 5.44% (9.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $23.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Johansson Peter K.
SVP, Chief Financial Officer
In Kind
Aug 15, 2026
$231,925.26
2,914
$79.59
37,832
Harris-Peterson Candace
Chief Human Resources Officer
In Kind
Jul 15, 2026
$70,336.70
890
$79.03
21,101
Kovachev Kiril
Chief Accounting Officer
In Kind
Jul 05, 2026
$37,789.00
460
$82.15
15,801
DEZWIREK JASON
Sell
Jun 25, 2026
$3.3M
34,000
$97.28
132,000
Johansson Peter K.
SVP, Chief Financial Officer
Sell
Jun 24, 2026
$2.9M
30,000
$96.49
40,746
DEZWIREK JASON
Sell
Jun 24, 2026
$3.3M
34,000
$96.61
166,000
Harris-Peterson Candace
Chief Human Resources Officer
Award
Jun 08, 2026
$0.00
3,105
$0.00
21,991
Gregory Alyson Noel
General Counsel
In Kind
Mar 31, 2026
$10,426.50
175
$59.58
23,019
Gleason Todd R
Chief Executive Officer
In Kind
Mar 31, 2026
$125,713.80
2,110
$59.58
450,688
Kovachev Kiril
Chief Accounting Officer
In Kind
Mar 17, 2026
$19,742.76
346
$57.06
16,261
Gleason Todd R
Chief Executive Officer
Award
Mar 16, 2026
$0.00
17,563
$0.00
17,563
Kovachev Kiril
Chief Accounting Officer
Award
Mar 16, 2026
$0.00
1,753
$0.00
16,607
Gleason Todd R
Chief Executive Officer
Award
Mar 15, 2026
$0.00
75,055
$0.00
482,333
Kovachev Kiril
Chief Accounting Officer
In Kind
Mar 15, 2026
$20,710.00
380
$54.50
14,854
Gleason Todd R
Chief Executive Officer
In Kind
Mar 15, 2026
$1.6M
29,535
$54.85
452,798
Gleason Todd R
Chief Executive Officer
In Kind
Mar 07, 2026
$186,849.21
3,557
$52.53
407,278
Johansson Peter K.
SVP, Chief Financial Officer
Award
Sep 12, 2025
$0.00
30,000
$0.00
30,000
WALLMAN RICHARD F
Buy
Sep 05, 2025
$140,799.90
3,000
$46.93
80,500
WALLMAN RICHARD F
Buy
Aug 29, 2025
$132,750.00
3,000
$44.25
219,909
WALLMAN RICHARD F
Buy
Aug 29, 2025
$66,375.00
1,500
$44.25
77,500
Johansson Peter K.
SVP, Chief Financial Officer
In Kind
Aug 15, 2025
$102,692.22
2,302
$44.61
59,620
DEZWIREK JASON
Sell
Jul 31, 2025
$859,004.89
19,617
$43.79
210,383
DEZWIREK JASON
Sell
Jul 31, 2025
$447,164.66
10,383
$43.07
200,000
Mannarino Claudio A
Sell
Jul 30, 2025
$325,711.18
7,759
$41.98
89,830
DEZWIREK JASON
Sell
Jul 30, 2025
$1.9M
43,685
$43.09
256,315
Mannarino Claudio A
Sell
Jul 30, 2025
$486,754.67
11,801
$41.25
78,029
DEZWIREK JASON
Sell
Jul 30, 2025
$930,896.03
21,986
$42.34
234,329
Mannarino Claudio A
Sell
Jul 30, 2025
$17,780.80
440
$40.41
77,589
DEZWIREK JASON
Sell
Jul 30, 2025
$179,053.50
4,329
$41.36
230,000
Kovachev Kiril
Chief Accounting Officer
In Kind
Jul 05, 2025
$13,800.00
460
$30.00
15,114