SCHEDULE: American Century Discloses 5.7% Stake in CECO Environmental

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.

Summary

• American Century Investment Management, Inc., American Century Companies, Inc., and Stowers Institute for Medical Research collectively reported beneficial ownership of 2,038,312 shares of CECO Environmental Corp. common stock.
• This represents 5.7% of the class of securities.
• The reporting entities hold sole voting power over 1,493,539 shares and sole dispositive power over 2,038,312 shares.
• The shares were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this filing as neutral, as it is a routine disclosure of beneficial ownership by an institutional investor and does not contain operational or financial performance data.

Future Outlook

NA

Management Comments

• The securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities.

Industry Context

StockSavvy.ai notes that institutional filings like this Schedule 13G provide transparency into significant ownership stakes by major investment firms, indicating their confidence or strategic positioning in a company. American Century's 5.7% stake suggests a notable, but passive, investment in CECO Environmental, consistent with their role as an investment adviser and holding company.

Stakeholder Impact

• Shareholders: Provides transparency regarding significant institutional ownership, potentially signaling confidence from a major investment firm.
• Company Management: Awareness of a significant, passive institutional holder.

Key Dates

Keywords

CECO Environmental, American Century Investment Management, Stowers Institute for Medical Research, Beneficial Ownership, Schedule 13G, Institutional Investor, Common Stock, Investment Management