SCHEDULE: Baron Capital Group Amends Montrose Environmental Stake

Baron Capital Group and its affiliates have filed an amended Schedule 13G, disclosing their beneficial ownership in Montrose Environmental Group, Inc. as of September 30, 2025.

Summary

• Baron Capital Group, Inc. and its affiliates, including BAMCO, Inc., Baron Capital Management, Inc., Ronald Baron, and Baron Discovery Fund, have filed an Amendment No. 2 to their Schedule 13G.
• As of September 30, 2025, Baron Capital Group, Inc. beneficially owns 2,160,463 shares of Montrose Environmental Group, Inc. common stock, representing 6.12% of the class.
• Ronald Baron also beneficially owns 2,160,463 shares, representing 6.12% of the class, through his controlling interest in Baron Capital Group, Inc.
• BAMCO, Inc. beneficially owns 1,859,070 shares, or 5.27% of the class.
• Baron Capital Management, Inc. beneficially owns 301,393 shares, or 0.85% of the class.
• Baron Discovery Fund beneficially owns 1,419,000 shares, or 4.02% of the class.
• All reported shares are held with shared voting and shared dispositive power.
• The filing certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: Neutral, as this is a routine disclosure of beneficial ownership by an institutional investor, not indicative of specific positive or negative company performance or strategic shifts.

Future Outlook

NA

Industry Context

NA

Key Dates

Keywords

Montrose Environmental Group, Baron Capital Group, BAMCO, Ronald Baron, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, Environmental Services