Montrose Environmental Group, INC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
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Nomura Asset Management International Inc. and Nomura Investment Management Business Trust have jointly filed a Schedule 13G, reporting beneficial ownership of 6% of Onterris, Inc. common stock.
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Goldman Sachs Asset Management, L.P. has disclosed beneficial ownership of 5.0% of Montrose Environmental Group Inc.'s common stock as of March 31, 2026.
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The Vanguard Group has reported a 0% beneficial ownership in Montrose Environmental Group Inc. due to an internal corporate realignment.
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Macquarie Group and its affiliates report zero beneficial ownership in Montrose Environmental Group Inc., signaling a complete divestment.
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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.
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William Blair Investment Management, LLC has reported a 3.7% beneficial ownership stake in Montrose Environmental Group, Inc. as of September 30, 2025.
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UBS Group AG and its asset management division have filed an amendment to their Schedule 13G, reporting zero beneficial ownership in Montrose Environmental Group, Inc.
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Managed Account Advisors, LLC has reduced its beneficial ownership in Montrose Environmental Group, Inc. to 2.7% of common stock, as disclosed in an amended Schedule 13G filing.
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William Blair Investment Management, LLC has reported a beneficial ownership of 6.8% in Montrose Environmental Group, Inc., holding 2,317,660 shares of common stock.
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Baron Capital Group, along with its affiliates and Ronald Baron, has disclosed a passive beneficial ownership of 7.78% of Montrose Environmental Group, Inc.'s common stock as of March 31, 2025.
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Macquarie Group Limited and its subsidiaries have filed an amended Schedule 13G, disclosing a beneficial ownership of 5.53% in Montrose Environmental Group Inc.'s common shares.
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SCHEDULE 13G: William Blair Investment Management Discloses 5.5% Stake in Montrose Environmental Group
William Blair Investment Management, LLC has disclosed a 5.5% beneficial ownership stake in Montrose Environmental Group, Inc., holding 1,903,388 shares of common stock as of March 31, 2025.
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SCHEDULE 13G/A: Managed Account Advisors Amends Disclosure of 5.2% Stake in Montrose Environmental Group
Managed Account Advisors, LLC has filed an amended Schedule 13G, disclosing a 5.2% beneficial ownership stake in Montrose Environmental Group, Inc. as of December 31, 2024.
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SCHEDULE 13G/A: Alger Associates, Inc. Discloses 3.0% Beneficial Ownership in Montrose Environmental Group
Alger Associates, Inc. has filed an amended Schedule 13G, reporting a 3.0% beneficial ownership stake in Montrose Environmental Group, Inc. as of December 31, 2024.
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Baron Capital Group, along with its affiliates and Ronald Baron, has disclosed a passive beneficial ownership of 6.68% in Montrose Environmental Group, Inc. as of December 31, 2024.
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Managed Account Advisors, LLC has reported a beneficial ownership of 5.2% of Montrose Environmental Group, Inc.'s common stock as of December 31, 2024.