Institutional
    SEC Registered

    Impax Asset Management LLC

    Registered investment advisor · Portsmouth, New Hampshire · CRD #114335

    Assets Under Management
    $8.9B
    Client Accounts
    27
    Employees
    93
    CRD Number
    114335
    Registration
    SEC Registered

    Source: SEC Form ADV filings. Data as of 2026-07-06.

    About Impax Asset Management LLC

    Impax Asset Management Group plc is a UK-listed specialist asset manager based in London, founded in 1998. The firm focuses on investing in the transition to a sustainable global economy through environmentally and socially oriented strategies across various asset classes, including listed equities, fixed income, and private markets. With over 300 employees and an investment team of more than 80 experienced professionals, Impax has established itself as one of the largest dedicated sustainable i

    Fee Structure

    Percentage of assets under management Not reported
    Fixed fees Not reported
    Hourly charges Yes
    Performance-based fees Not reported

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    Frequently Asked Questions

    What is Impax Asset Management LLC's AUM?

    Impax Asset Management LLC reports approximately $8.9B in regulatory assets under management, based on its most recent SEC Form ADV filing.

    Where is Impax Asset Management LLC headquartered?

    Impax Asset Management LLC is headquartered in Portsmouth, New Hampshire.

    What is Impax Asset Management LLC's CRD number?

    Impax Asset Management LLC's CRD number is 114335. You can use it to look up the firm's full regulatory record on the SEC's Investment Adviser Public Disclosure site.

    How many accounts does Impax Asset Management LLC manage?

    Impax Asset Management LLC manages approximately 27 client accounts according to its latest SEC filing.

    Is Impax Asset Management LLC SEC registered?

    Yes, Impax Asset Management LLC is registered with the SEC as an investment adviser with an approved registration status.

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