Impax Asset Management LLC

Registered investment adviser · Portsmouth, NH · CRD #114335

Form ADV data as of 2026-09-01

Regulatory assets

$8.94 billion

Total accounts

Employees

Disclosure events

Firm details

Website: https://impaxam.com/
Telephone: 603-431-8022
SEC file number: 801-8517
Most recent Form ADV filing: 2025-12-22
SEC record: View this firm on the SEC's IAPD site

Disciplinary disclosures

This firm answered No to every Item 11 disciplinary question on its most recent Form ADV filing.

Assets and accounts

Provides continuous and regular supervisory or management services	Yes
Discretionary regulatory assets under management	$8.94 billion
Non-discretionary regulatory assets under management	$0
Total regulatory assets under management	$8.94 billion
Discretionary accounts	27
Non-discretionary accounts	0
Total accounts	27
Regulatory assets under management attributable to non-U.S. persons	$1.12 billion

People

Total employees (excluding clerical)	93
Employees performing investment advisory functions (including research)	30
Employees who are registered representatives of a broker-dealer	19
Employees registered as investment adviser representatives with a state	0
Employees registered as IARs for another investment adviser	0
Employees who are licensed insurance agents	0
Firms or persons who solicit advisory clients on the firm's behalf	0

Custody

Has custody of client cash or bank accounts	No
Has custody of client securities	No
A related person has custody of client cash or bank accounts	No
A related person has custody of client securities	No
The firm acts as a qualified custodian	No
A related person acts as a qualified custodian	No

How the firm is compensated

A percentage of assets under management

Advisory services offered

Portfolio management for investment companiesPortfolio management for pooled investment vehiclesPortfolio management for businesses or institutional clients

Affiliated related persons

Other investment adviser (including financial planners)Sponsor, general partner, or managing member of pooled investment vehicles

Reported conflicts of interest

Form ADV Items 8 asks advisers to disclose arrangements that may create a conflict with client interests. This firm answered Yes to:

Receives soft dollar benefits

Client types

Type of client	Clients	Assets
Investment companies	12	$7.79 billion
Pooled investment vehicles (other than investment companies and BDCs)	7	$1.02 billion
Other investment advisers	8	$128.4 million