Ceco Environmental CORP Schedule 13G passive stakes

American Century Investment Management, Inc. and its affiliates have increased their beneficial ownership of CECO Environmental Corp. common stock to 3.6%.

FMR LLC and Abigail P. Johnson have jointly filed a Schedule 13G, reporting beneficial ownership of 7.7% of CECO Environmental Corp's common stock as of June 30, 2026.

American Century Investment Management, Inc., along with its parent entities, reported a 5.7% beneficial ownership stake in CECO Environmental Corp. as of December 31, 2025.

The Vanguard Group reports a 4.99% beneficial ownership in CECO Environmental Corp common stock following an internal realignment.

Hood River Capital Management LLC has filed an amended Schedule 13G, disclosing a 1.39% beneficial ownership stake in CECO Environmental Corp.

Capital International Investors filed an Amendment No. 1 to its Schedule 13G, revealing a reduced beneficial ownership of 4.7% in CECO Environmental Corp. common stock.

The Vanguard Group has reported a 5.01% beneficial ownership stake in CECO Environmental Corp. as of September 30, 2025.

FMR LLC and Abigail P. Johnson have reported a 6.2% beneficial ownership stake in CECO Environmental Corp., held in the ordinary course of business.

BlackRock, Inc. has filed an amended Schedule 13G, reporting beneficial ownership of 6.3% of CECO Environmental Corp.'s common stock as of June 30, 2025.

Hood River Capital Management LLC has reported a passive beneficial ownership of 5.51% of CECO Environmental Corp's common stock, totaling 1,927,668 shares, as of March 31, 2025.

Dimensional Fund Advisors LP has filed an Amendment No. 8 to its Schedule 13G, disclosing a 3.6% beneficial ownership stake in CECO Environmental Corp as of March 31, 2025.

FMR LLC and Abigail P. Johnson have disclosed a passive beneficial ownership of 5.1% of CECO Environmental Corp's common stock as of December 31, 2024.