Latest Period
Q4 2025
Security Snapshot
CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (CECO) Institutional Ownership
CUSIP: 125141101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
228
Shares (Excl. Options)
29,463,624
Price
$59.85
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- Type / Class
- Equity / Common Stock, $0.01 par value
- Symbol
- CECO on Nasdaq
- Shares outstanding
- 35,881,291
- Price per share
- $65.02
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 29,463,624
- Total reported value
- $1,763,466,820
- % of total 13F portfolios
- 0%
- Share change
- +353,284
- Value change
- +$30,892,660
- Number of holders
- 228
- Price from insider filings
- $65.02
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- CECO - CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value is tracked under CUSIP 125141101.
- 228 institutions reported positions in Q4 2025.
- 8 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 228 to 64 between Q4 2025 and Q1 2026.
- Reported value moved from $1,763,466,820 to $151,609,656.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 228 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 125141101?
CUSIP 125141101 identifies CECO - CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 125141101:
Significant Owners of CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (CECO) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| DEZWIREK JASON | 12% | $259,443,260 | 4,198,111 | Jason DeZwirek | 23 Feb 2026 | |||
| 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 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 5.7% | $125,967,682 | 2,038,312 | American Century Investment Management, Inc. | 31 Dec 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% | $24,340,540 | 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 31 Dec 2025, 228 institutional investors reported holding 29,463,624 shares of CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (CECO). This represents 82% of the company’s total 35,881,291 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (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. | 6.4% | 2,285,359 | +2.3% | 0% | $136,778,736 |
| FMR LLC | 6.2% | 2,211,372 | +4.2% | 0.01% | $132,350,610 |
| AMERICAN CENTURY COMPANIES INC | 5.7% | 2,038,312 | +62% | 0.06% | $121,993,100 |
| VANGUARD GROUP INC | 5% | 1,780,596 | +0.56% | 0% | $106,568,671 |
| KING LUTHER CAPITAL MANAGEMENT CORP | 2.7% | 951,199 | -15% | 0.23% | $56,929,260 |
| JANUS HENDERSON GROUP PLC | 2.6% | 922,000 | +0.21% | 0.02% | $55,181,505 |
| DIMENSIONAL FUND ADVISORS LP | 2.5% | 895,540 | -8.3% | 0.01% | $53,598,168 |
| ROYCE & ASSOCIATES LP | 2.1% | 740,687 | -10% | 0.45% | $44,330,117 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 729,700 | +1.2% | 0% | $43,679,601 |
| Capital International Investors | 2% | 721,982 | -57% | 0.01% | $43,210,623 |
| T. Rowe Price Investment Management, Inc. | 2% | 718,992 | +104% | 0.03% | $43,032,000 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2% | 706,273 | +3% | 0.12% | $42,270,439 |
| Thrivent Financial for Lutherans | 1.9% | 672,147 | +36% | 0.07% | $40,229,000 |
| STATE STREET CORP | 1.8% | 650,886 | +0.18% | 0% | $38,955,527 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.7% | 607,417 | -19% | 0.01% | $36,353,908 |
| Driehaus Capital Management LLC | 1.6% | 579,950 | +12% | 0.24% | $34,710,008 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 525,567 | +74% | 0.05% | $31,455,185 |
| EMERALD ADVISERS, LLC | 1.3% | 458,525 | +284% | 0.85% | $27,442,721 |
| Legal & General Group Plc | 1.2% | 418,255 | +3% | 0.01% | $25,032,563 |
| First Eagle Investment Management, LLC | 1% | 366,867 | -16% | 0.04% | $21,956,990 |
| Capital World Investors | 0.93% | 333,098 | 0% | $19,935,915 | |
| LOOMIS SAYLES & CO L P | 0.91% | 327,509 | -0.07% | 0.02% | $19,601,413 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 0.83% | 298,500 | +71% | 1.1% | $17,865,225 |
| MORGAN STANLEY | 0.82% | 294,115 | +38% | 0% | $17,602,802 |
| IES Holdings, Inc. | 0.79% | 283,432 | 0% | 9.9% | $16,963,405 |
Institutional Holders of CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (CECO) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,543,293 | $151,609,656 | +$2,487,933 | $59.58 | 64 |
| 2025 Q4 | 29,463,624 | $1,763,466,820 | +$30,892,660 | $59.85 | 228 |
| 2025 Q3 | 28,689,275 | $1,469,014,088 | -$41,963,988 | $51.20 | 223 |
| 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 |