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
35,683,287
Price per share
$61.80
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
28,689,275
Total reported value
$1,469,014,088
% of total 13F portfolios
0%
Share change
-1,033,081
Value change
-$41,962,808
Number of holders
223
Price from insider filings
$61.80
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% $55,560,991 2,221,551 BlackRock, Inc. 30 Jun 2025
FMR LLC 6.2% +22% $54,387,534 +$9,444,051 2,174,632 +21% FMR LLC 30 Jun 2025
VANGUARD GROUP INC 5% -0.4% $106,568,849 +$588,925 1,780,596 +0.56% The Vanguard Group 31 Dec 2025
Capital International Investors 4.7% $85,777,971 1,675,351 Capital International Investors 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP 3.6% $24,980,420 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, 223 institutional investors reported holding 28,689,275 shares of CECO ENVIRONMENTAL CORP - Common Stock (CECO). This represents 80% of the company’s total 35,683,287 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CECO ENVIRONMENTAL CORP - Common Stock (CECO) together control 57% 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 5.9% 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 3.5% 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 2.7% 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 0.96% 343,548 +174% 0.01% $17,589,658
LOOMIS SAYLES & CO L P 0.92% 327,731 -26% 0.02% $16,779,827
JANE STREET GROUP, LLC 0.89% 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 0.77% 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 4,578,099 $274,011,330 +$12,756,909 $59.85 65
2025 Q3 28,689,275 $1,469,014,088 -$41,962,808 $51.20 223
2025 Q2 29,533,109 $836,112,974 +$32,129,158 $28.31 176
2025 Q1 29,019,049 $661,701,363 +$4,614,011 $22.80 168
2024 Q4 28,681,602 $867,293,333 +$61,111,592 $30.23 172
2024 Q3 26,582,257 $748,390,827 +$20,697,738 $28.20 173
2024 Q2 25,778,250 $743,600,371 +$64,457,585 $28.85 173
2024 Q1 23,844,109 $548,829,713 -$2,062,545 $23.02 173
2023 Q4 59,636 $1,209,419 +$288,524 $20.28 3
2023 Q3 23,728,758 $378,949,859 +$1,215,105 $15.97 143
2023 Q2 23,867,510 $318,873,018 +$23,822,380 $13.36 144
2023 Q1 22,038,767 $308,225,395 +$9,619,197 $13.99 140
2022 Q4 21,924,971 $256,116,071 -$4,044,365 $11.68 119
2022 Q3 22,264,368 $197,061,917 +$3,496,248 $8.85 111
2022 Q2 21,840,287 $130,613,482 -$8,859,615 $5.98 90
2022 Q1 23,428,348 $128,562,699 +$2,912,266 $5.49 85
2021 Q4 22,893,803 $142,595,071 -$967,511 $6.23 79
2021 Q3 22,988,795 $161,795,601 -$6,658,470 $7.04 78
2021 Q2 24,056,678 $172,146,826 -$1,165,825 $7.16 88
2021 Q1 24,078,474 $190,933,841 -$2,289,133 $7.93 91
2020 Q4 23,086,376 $160,673,450 -$2,474,417 $6.96 81
2020 Q3 23,405,433 $170,603,725 +$825,909 $7.29 85
2020 Q2 23,166,179 $152,637,580 +$3,861,438 $6.59 82
2020 Q1 24,490,873 $114,355,490 -$4,361,129 $4.67 85
2019 Q4 24,669,248 $188,958,799 -$2,779,730 $7.66 97
2019 Q3 25,066,027 $175,052,330 +$4,187,638 $6.98 109
2019 Q2 24,329,412 $233,307,921 +$6,083,141 $9.59 113
2019 Q1 23,823,502 $171,532,286 +$3,022,665 $7.20 111
2018 Q4 23,318,433 $157,469,645 +$4,479,320 $6.75 105
2018 Q3 23,018,448 $181,370,475 +$1,324,517 $7.88 91
2018 Q2 22,890,630 $140,562,079 -$805,255 $6.14 91
2018 Q1 23,227,051 $103,359,870 +$1,036,254 $4.45 99
2017 Q4 23,020,191 $118,096,333 -$8,908,809 $5.13 107
2017 Q3 23,405,928 $198,273,009 -$1,820,075 $8.46 113
2017 Q2 23,526,082 $216,022,147 -$3,844,295 $9.18 128
2017 Q1 23,616,799 $248,326,608 +$41,278,254 $10.51 139
2016 Q4 21,245,999 $296,387,850 +$21,273,999 $13.95 131
2016 Q3 19,122,663 $215,683,673 +$8,428,940 $11.28 115
2016 Q2 18,383,333 $160,660,321 +$413,787 $8.74 99
2016 Q1 18,515,637 $115,004,905 -$499,357 $6.21 99
2015 Q4 18,516,989 $141,587,787 +$882,184 $7.68 100
2015 Q3 18,009,323 $147,544,419 +$37,359,171 $8.19 108
2015 Q2 12,627,765 $143,050,148 -$7,297,377 $11.33 93
2015 Q1 13,426,687 $142,449,806 -$5,625,256 $10.61 89
2014 Q4 13,264,471 $205,965,019 +$8,652,085 $15.54 96
2014 Q3 12,754,333 $171,054,107 -$2,494,164 $13.40 95
2014 Q2 12,448,431 $194,074,828 +$7,631,354 $15.59 100
2014 Q1 11,964,220 $198,493,671 +$12,047,907 $16.59 99