CECO ENVIRONMENTAL CORP - Common Stock (CECO) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
CECO on Nasdaq
Shares outstanding
35,422,590
Price per share
$59.85
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
28,689,260
Total reported value
$1,469,013,320
% of total 13F portfolios
0%
Share change
-1,033,096
Value change
-$41,963,327
Number of holders
222
Price from insider filings
$59.85
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CECO ENVIRONMENTAL CORP - Common Stock (CECO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 6.3% $62,892,553 2,221,551 BlackRock, Inc. 30 Jun 2025
FMR LLC 6.2% +22% $64,390,839 +$11,181,062 2,174,632 +21% FMR LLC 30 Jun 2025
VANGUARD GROUP INC 5% $90,662,707 1,770,756 The Vanguard Group 30 Sep 2025
Capital International Investors 4.7% $85,777,971 1,675,351 Capital International Investors 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP 3.6% $24,340,540 1,254,667 Dimensional Fund Advisors LP 31 Mar 2025
Hood River Capital Management LLC 1.4% -69% $25,209,549 -$73,487,053 492,374 -74% Hood River Capital Management LLC 30 Sep 2025

As of 30 Sep 2025, 222 institutional investors reported holding 28,689,260 shares of CECO ENVIRONMENTAL CORP - Common Stock (CECO). This represents 81% of the company’s total 35,422,590 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CECO ENVIRONMENTAL CORP - Common Stock (CECO) together control 58% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 6.3% 2,234,292 -0.28% 0% $114,395,750
FMR LLC 6% 2,121,401 -2.4% 0.01% $108,615,730
VANGUARD GROUP INC 5% 1,770,756 +0.95% 0% $90,662,708
Capital International Investors 4.7% 1,675,351 -15% 0.01% $85,777,971
AMERICAN CENTURY COMPANIES INC 3.6% 1,257,796 +16845% 0.03% $64,399,235
KING LUTHER CAPITAL MANAGEMENT CORP 3.2% 1,125,322 -4.4% 0.24% $57,616,486
DIMENSIONAL FUND ADVISORS LP 2.8% 976,382 -19% 0.01% $49,987,798
JANUS HENDERSON GROUP PLC 2.6% 920,102 -2.2% 0.02% $47,109,353
ROYCE & ASSOCIATES LP 2.3% 825,160 -18% 0.42% $42,248,192
WELLINGTON MANAGEMENT GROUP LLP 2.1% 746,466 -17% 0.01% $38,219,059
GEODE CAPITAL MANAGEMENT, LLC 2% 720,966 +1.2% 0% $36,918,272
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.9% 685,742 -28% 0.09% $35,109,990
STATE STREET CORP 1.8% 649,708 -1.2% 0% $33,265,050
Driehaus Capital Management LLC 1.5% 518,516 -15% 0.19% $26,548,019
Thrivent Financial for Lutherans 1.4% 493,255 -35% 0.05% $25,254,000
Hood River Capital Management LLC 1.4% 492,374 -75% 0.3% $25,209,549
First Eagle Investment Management, LLC 1.2% 434,256 -28% 0.04% $22,233,907
Legal & General Group Plc 1.1% 406,181 -38% 0% $20,796,467
Voya Investment Management LLC 1.1% 403,266 -44% 0.02% $20,647,219
T. Rowe Price Investment Management, Inc. 0.99% 352,381 0.01% $18,042,000
CITADEL ADVISORS LLC 0.97% 343,548 +174% 0.01% $17,589,658
LOOMIS SAYLES & CO L P 0.93% 327,731 -26% 0.02% $16,779,827
JANE STREET GROUP, LLC 0.9% 317,834 +427% 0.02% $16,273,101
TWO SIGMA INVESTMENTS, LP 0.85% 302,691 +3621% 0.02% $15,497,779
Robeco Schweiz AG 0.78% 276,163 -39% 0.32% $14,139,546

Institutional Holders of CECO ENVIRONMENTAL CORP - Common Stock (CECO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 348,059 $21,051,414 +$1,429,636 $59.85 11
2025 Q3 28,689,260 $1,469,013,320 -$41,963,327 $51.20 222
2025 Q2 29,533,109 $836,112,974 +$32,129,162 $28.31 176
2025 Q1 29,019,049 $661,701,183 +$4,040,198 $22.80 168
2024 Q4 28,700,286 $867,879,540 +$61,207,759 $30.23 173
2024 Q3 26,597,751 $748,827,118 +$20,787,924 $28.20 172
2024 Q2 25,805,618 $744,389,725 +$64,814,074 $28.85 174
2024 Q1 23,844,042 $548,828,086 -$2,894,856 $23.02 172
2023 Q4 23,945,610 $485,587,280 +$5,745,839 $20.28 156
2023 Q3 23,870,895 $381,219,817 +$1,153,785 $15.97 144
2023 Q2 23,867,510 $318,872,994 +$23,565,379 $13.36 144
2023 Q1 22,038,767 $308,225,395 +$9,650,782 $13.99 140
2022 Q4 21,930,886 $256,185,071 -$3,514,029 $11.68 120
2022 Q3 22,264,368 $197,061,917 +$3,974,759 $8.85 111
2022 Q2 21,886,720 $130,891,482 -$9,420,577 $5.98 92
2022 Q1 23,534,851 $129,146,699 +$2,851,678 $5.49 87
2021 Q4 23,011,348 $143,328,071 -$1,064,143 $6.23 81
2021 Q3 23,120,707 $162,723,601 -$6,697,183 $7.04 79
2021 Q2 24,056,678 $172,146,826 -$1,215,290 $7.16 88
2021 Q1 24,222,794 $192,078,841 -$3,325,268 $7.93 92
2020 Q4 24,713,594 $171,999,450 -$2,243,272 $6.96 82
2020 Q3 24,999,442 $182,224,725 +$75,853 $7.29 86
2020 Q2 24,986,353 $164,632,580 +$4,129,758 $6.59 85
2020 Q1 24,491,873 $114,360,490 -$4,365,177 $4.67 86
2019 Q4 24,878,204 $190,559,799 -$2,127,077 $7.66 99
2019 Q3 25,164,346 $175,739,330 +$4,290,324 $6.98 110
2019 Q2 24,329,412 $233,307,921 +$6,085,044 $9.59 113
2019 Q1 23,905,096 $172,119,286 +$2,134,862 $7.20 112
2018 Q4 23,635,579 $159,608,645 +$3,409,638 $6.75 108
2018 Q3 23,021,189 $181,392,475 +$1,326,133 $7.88 92
2018 Q2 22,904,151 $140,645,079 -$801,482 $6.14 93
2018 Q1 23,264,938 $103,526,870 +$866,884 $4.45 99
2017 Q4 23,020,191 $118,096,333 -$8,908,278 $5.13 107
2017 Q3 23,420,632 $198,397,009 -$1,754,141 $8.46 113
2017 Q2 23,532,965 $216,085,147 -$3,912,690 $9.18 129
2017 Q1 23,805,674 $250,309,608 +$42,845,028 $10.51 141
2016 Q4 21,245,999 $296,387,850 +$21,274,037 $13.95 131
2016 Q3 19,122,663 $215,683,673 +$8,428,910 $11.28 115
2016 Q2 18,383,333 $160,660,321 +$590,691 $8.74 99
2016 Q1 18,524,411 $115,058,905 -$591,547 $6.21 100
2015 Q4 18,521,750 $141,623,787 +$240,901 $7.68 101
2015 Q3 18,389,844 $150,862,419 +$40,895,826 $8.19 109
2015 Q2 12,847,558 $145,540,148 -$7,372,239 $11.33 94
2015 Q1 13,426,687 $142,449,806 -$6,711,700 $10.61 89
2014 Q4 13,646,892 $211,908,019 +$8,547,543 $15.54 98
2014 Q3 13,147,495 $176,322,107 -$2,795,639 $13.40 98
2014 Q2 12,821,096 $199,883,828 +$7,489,994 $15.59 102
2014 Q1 12,329,344 $204,550,671 +$11,610,316 $16.59 101