Institutional Ownership
Ceco Environmental Corp
CUSIP 125141101COMCECOQ1 2026
13D / 13G Filings
36
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
15.5%
Max % of class reported
Institutional Holders
252
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
36 filings · latest Feb 26, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 26, 2026 | Jason Dezwirek | 13D/A | 11.7% | — | SEC |
| 2 | Feb 13, 2026 | American Century Investment Management, Inc. | 13G | 11.0% | 2.04M | SEC |
| 3 | Jan 30, 2026 | The Vanguard Group | 13G/A | 5.0% | 1.78M | SEC |
| 4 | Nov 14, 2025 | Hood River Capital Management LLC | 13G/A | 1.4% | 492.4K | SEC |
| 5 | Nov 13, 2025 | Capital International Investors | 13G/A | 4.7% | 1.68M | SEC |
| 6 | Oct 30, 2025 | The Vanguard Group | 13G | 5.0% | 1.77M | SEC |
| 7 | Aug 6, 2025 | Fmr LLC | 13G/A | 6.2% | 2.17M | SEC |
| 8 | Jul 16, 2025 | Blackrock, Inc. | 13G/A | 6.3% | 2.22M | SEC |
| 9 | May 15, 2025 | Hood River Capital Management LLC | 13G | 5.5% | 1.93M | SEC |
| 10 | Apr 15, 2025 | Dimensional Fund Advisors LP | 13G/A | 3.6% | 1.25M | SEC |
26 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Ceco Environmental Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 2.33M | $138.76M |
| 2 | Blackrock, Inc. | 2.29M | $136.16M |
| 3 | American Century Companies Inc | 1.89M | $112.86M |
| 4 | Capital World Investors | 1.06M | $62.86M |
| 5 | Two Sigma Investments, LP | 959.7K | $57.18M |
| 6 | Janus Henderson Group PLC | 907.8K | $54.09M |
| 7 | Dimensional Fund Advisors LP | 903.3K | $53.81M |
| 8 | Geode Capital Management, LLC | 856.1K | $51.02M |
| 9 | Royce & Associates LP | 827.8K | $49.32M |
| 10 | King Luther Capital Management Corp | 750.1K | $44.69M |