Reporting Manager
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Symbol
MEG
Shares outstanding
34,607,055 shares
Disclosed Ownership
1,903,388 shares
Ownership
5.5%
Form type
SCHEDULE 13G
Filing time
09 May 2025, 16:13:10 UTC
Date of event
31 Mar 2025
Next filing
30 Jul 2025

Quoteable Key Fact

"WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC disclosed 5.5% ownership in Montrose Environmental Group, Inc. Common Stock (MEG) on 31 Mar 2025."

Quick Takeaways

  • WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC filed SCHEDULE 13G for Montrose Environmental Group, Inc. Common Stock (MEG).
  • Disclosed ownership: 5.5%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 09 May 2025, 16:13.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 5.5% 1,903,388 1,587,536 0 Stephanie Braming Partner, Global Head of Investment Management