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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 1b 10b

IMPAX ASSET MANAGEMENT LLC

CRD 114335

PORTSMOUTH, NH

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:1e10666e-569d-39d9-374a-3449acb1acaf

Data as of Dec 22, 2025 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 11:53 AM UTC and rebuilt at most every 15 minutes.

Relationships: 12
Dated events: 10
On other graphs: 0
Observed: Jan 25, 2012 to Dec 22, 2025
24 observations

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Firm class: asset managerderivedprivate_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=false bd_reps=19.0
Regulatory AUM: $8.9BItem 5.F on the latest filing (2025-12-22); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $8.9B
Private client RAUM: $0derivedItem 5.D individuals plus high net worth individuals
Private client share: 0%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 1
RAUM per advisor: $8.9Bderivedthe firm's RAUM over its IAPD headcount: a firm average, never a person's book
Employees: 93
Advisory employees: 30
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 27
SEC number: 801-8517
CRD: 114335
Filings on the tape: 24
First filed: Jan 25, 2012
Latest filed: Dec 22, 2025
Organised: Limited Liability Company, DE
Website: impaxam.com

Advisors on IAPD

current investment adviser representatives on the IAPD individual feed, longest tenure first

Advisor	Designations	Branch	Years here	In industry	Prior firms	Dual registered
CHRISTOPHER HADLEY BROWN	n/a	PORTSMOUTH, NH	22	39	1	no

Owners and control persons

Schedule A and B as filed; ownership codes are the form's bands (NA under 5%, A 5 to 10%, B 10 to 25%, C 25 to 50%, D 50 to 75%, E over 75%); people are listed as filed and never merged by name

Owner	Title	Ownership code	Control person	Acquired	First seen	Last seen
BOESE, JOHN, AQUINAS	CHIEF COMPLIANCE OFFICER	Na	yes	01/2006	Jan 25, 2012	Dec 20, 2024
Cockburn, Karen	ELECTED MANAGER	Na	yes	12/2022	Dec 13, 2022	Dec 20, 2024
FARRINGTON, EDWARD, JOSEPH	PRESIDENT, ELECTED MANAGER	Na	yes	02/2024	Dec 20, 2024	Dec 20, 2024
IMPAX ASSET MANAGEMENT GROUP PLC	Parent	E	yes	01/2018	Jan 26, 2018	Dec 20, 2024
PEARL, VANESSA, MEGAN	CHIEF FINANCIAL OFFICER, ELECTED MANAGER	Na	yes	04/2024	Dec 20, 2024	Dec 20, 2024
SIMM, IAN	ELECTED MANAGER	Na	yes	01/2018	Jan 26, 2018	Dec 20, 2024

Affiliates (Item 7.A)

as filed on Item 7.A; a related person with a CRD on the graph links to its own page

Related person	Type	Class on the graph	Its RAUM	Control	Common control	State
IMPAX ASSET MANAGEMENT, LTD.	n/a	Asset manager	$26B	N	yes	n/a
IMPAX ASSET MANAGEMENT (AIFM) LTD.	n/a	Asset manager	$2.0B	N	yes	n/a
IMPAX ASSET MANAGEMENT (HONG KONG) LTD.	n/a	n/a	n/a	N	yes	n/a
IMPAX ASSET MANAGEMENT IRELAND LTD	n/a	n/a	n/a	N	yes	n/a
INEI I GP (UK) LLP	n/a	n/a	n/a	N	yes	n/a
INEI II GP (UK) LLP	n/a	n/a	n/a	N	yes	n/a
INEI III GP (UK) LLP	n/a	n/a	n/a	N	yes	n/a
INEI IV GP (UK) LLP	n/a	n/a	n/a	N	yes	n/a

Offices

Schedule D 1.F offices beyond the principal office; street addresses are not published

City	State	Country	Employees	Also broker-dealer
NEW YORK	NY	United States	6	no

Regulatory AUM by fiscal year

annual amendments (and the roster's annual snapshot) as filed; where a year was amended twice the later filing draws the line

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2024	Dec 20, 2024	$9.6B	$9.6B	113	36	1	n/a	n/a
2023	Dec 18, 2023	$9.1B	$9.0B	115	27	1	n/a	n/a
2022	Dec 13, 2022	$7.5B	$7.5B	104	29	1	n/a	n/a
2021	Dec 23, 2021	$8.5B	$8.5B	77	25	0	n/a	n/a
2020	Dec 23, 2020	$5.3B	$5.3B	62	22	0	n/a	n/a
2019	Dec 23, 2019	$4.3B	$4.3B	56	20	0	n/a	n/a
2018	Dec 27, 2018	$4.4B	$4.4B	54	22	1	n/a	n/a
2017	Jan 26, 2018	$4.6B	$4.6B	52	22	1	n/a	n/a
2016	Mar 17, 2017	$4.1B	$4.1B	50	18	n/a	n/a	n/a
2015	Mar 16, 2016	$3.7B	$3.7B	54	15	n/a	n/a	n/a
2014	Mar 4, 2015	$3.4B	$3.4B	53	15	n/a	n/a	n/a
2013	Feb 11, 2014	$3.2B	$3.2B	46	15	n/a	n/a	n/a
2012	Jan 30, 2013	$2.7B	$2.7B	46	15	n/a	n/a	n/a
2011	Jan 25, 2012	$2.5B	$2.5B	n/a	n/a	n/a	n/a	n/a

Advisor flows

derived: registrations beginning and ending at this CRD on IAPD, bulk corporate re-registrations excluded; the rate is departures over IAPD headcount

Joined, 12m	Left, 12m	Net, 12m	Departure rate, 12m	Joined, 90d	Left, 90d	Left, no destination yet	Joined, 36m	Left, 36m
0	0	0	0.0%	0	0	0	0	0

Growth

derived from consecutive annual filings; RAUM as reported

Latest fiscal year	RAUM	A year earlier	1y change	Three years earlier	3y CAGR	Employees	A year earlier	Offices	A year earlier
2024	$8.9B	$9.1B	-1.5%	$8.5B	1.6%	93	115	1	1

Relationships

Affiliated with (5)

← IMPAX ASSET MANAGEMENTRegistered adviserother investment adviser, common control
factForm ADV
→ IMPAX ASSET MANAGEMENT, LTD.Registered adviserother investment adviser, common control
factForm ADV
→ IMPAX ASSET MANAGEMENTRegistered adviserother investment adviser, common control
factForm ADV
← IMPAX ASSET MANAGEMENT, LTD.Registered adviserother investment adviser, common control
factForm ADV
← PAX ELLEVATE MANAGEMENT LLCRegistered adviserother investment adviser, control, common control
factForm ADV

Registered with (1)

← CHRISTOPHER HADLEY BROWNAdvisorregistration: current employment
Jun 23, 2004 to presentfactForm ADV

Controls (6)

← FARRINGTON, EDWARD, JOSEPHOwnerPRESIDENT, ELECTED MANAGER, ownership code NA, individual
Dec 20, 2024 to Dec 20, 2024factForm ADV
← BOESE, JOHN, AQUINASOwnerCHIEF COMPLIANCE OFFICER, ownership code NA, individual
Jan 25, 2012 to Dec 20, 2024factForm ADV
← SIMM, IANOwnerELECTED MANAGER, ownership code NA, individual
Jan 26, 2018 to Dec 20, 2024factForm ADV
← PEARL, VANESSA, MEGANOwnerCHIEF FINANCIAL OFFICER, ELECTED MANAGER, ownership code NA, individual
Dec 20, 2024 to Dec 20, 2024factForm ADV
← Cockburn, KarenOwnerELECTED MANAGER, ownership code NA, individual
Dec 13, 2022 to Dec 20, 2024factForm ADV
← IMPAX ASSET MANAGEMENT GROUP PLCOwnerPARENT, ownership code E, foreign entity
Jan 26, 2018 to Dec 20, 2024factForm ADV

Dated events

1 bookkeeping events (roster, classification and holdings changes) folded below

Occurred
Dec 20, 2024
Control person joined
Joseph Edward Farrington (President, Elected Manager) appeared on Schedule A of Impax Asset Management Llc
Form ADVobserved 6 days ago
Occurred
Dec 20, 2024
Control person joined
Megan Vanessa Pearl (Chief Financial Officer, Elected Manager) appeared on Schedule A of Impax Asset Management Llc
Form ADVobserved 6 days ago
Occurred
Dec 20, 2024
Control person left
Francis Joseph Keefe (President, Elected Manager) no longer on Schedule A of Impax Asset Management Llc (listed 2024-04-02, absent 2024-12-20)
Form ADVobserved 6 days ago
Occurred
Dec 20, 2024
Control person left
K Alicia Dubois (Chief Financial Officer, Elected Manager) no longer on Schedule A of Impax Asset Management Llc (listed 2024-04-02, absent 2024-12-20)
Form ADVobserved 6 days ago
Occurred
Dec 18, 2023
Control person left
Patricia Mary Alexander (Elected Manager) no longer on Schedule A of Impax Asset Management Llc (listed 2023-01-18, absent 2023-12-18)
Form ADVobserved 6 days ago
Occurred
Dec 18, 2023
Control person left
David Charles Ridge (Elected Manager) no longer on Schedule A of Impax Asset Management Llc (listed 2023-01-18, absent 2023-12-18)
Form ADVobserved 6 days ago
Occurred
Jan 18, 2023
Control person joined
Patricia Mary Alexander (Elected Manager) appeared on Schedule A of Impax Asset Management Llc
Form ADVobserved 6 days ago
Occurred
Dec 13, 2022
Control person joined
Karen Cockburn (Elected Manager) appeared on Schedule A of Impax Asset Management Llc
Form ADVobserved 6 days ago
Occurred
Dec 23, 2021
Regulatory AUM changed
Impax Asset Management Llc reported RAUM $8.5B, up 60% from $5.3B (2020-12-23 to 2021-12-23)
Form ADVobserved 6 days ago
$3.2B

Show 1 bookkeeping events

Occurred
Dec 23, 2021
Impax Asset Management Llc reported 0 state-registered advisory representatives, down from 16 (2020-12-23 to 2021-12-23)

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:1e10666e-569d-39d9-374a-3449acb1acaf
First observed: Jan 25, 2012
Last observed: Dec 22, 2025 9 months ago
Source families: Federal regulator filings
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

IMPAX ASSET MANAGEMENT LLC

CRD 114335

PORTSMOUTH, NH

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:1e10666e-569d-39d9-374a-3449acb1acaf

Data as of Dec 22, 2025 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 11:53 AM UTC and rebuilt at most every 15 minutes.

Advisor

Designations

Branch

Years here

In industry

Prior firms

Dual registered

CHRISTOPHER HADLEY BROWN

n/a

PORTSMOUTH, NH

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

BOESE, JOHN, AQUINAS

CHIEF COMPLIANCE OFFICER

yes

01/2006

Jan 25, 2012

Dec 20, 2024

Cockburn, Karen

ELECTED MANAGER

yes

12/2022

Dec 13, 2022

Dec 20, 2024

FARRINGTON, EDWARD, JOSEPH

PRESIDENT, ELECTED MANAGER

yes

02/2024

Dec 20, 2024

IMPAX ASSET MANAGEMENT GROUP PLC

Parent

yes

01/2018

Jan 26, 2018

Dec 20, 2024

PEARL, VANESSA, MEGAN

CHIEF FINANCIAL OFFICER, ELECTED MANAGER

yes

04/2024

Dec 20, 2024

SIMM, IAN

ELECTED MANAGER

yes

01/2018

Jan 26, 2018

Dec 20, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

IMPAX ASSET MANAGEMENT, LTD.

n/a

Asset manager

$26B

yes

n/a

IMPAX ASSET MANAGEMENT (AIFM) LTD.

n/a

Asset manager

$2.0B

yes

n/a

IMPAX ASSET MANAGEMENT (HONG KONG) LTD.

n/a

yes

n/a

IMPAX ASSET MANAGEMENT IRELAND LTD

n/a

yes

n/a

INEI I GP (UK) LLP

n/a

yes

n/a

INEI II GP (UK) LLP

n/a

yes

n/a

INEI III GP (UK) LLP

n/a

yes

n/a

INEI IV GP (UK) LLP

n/a

yes

n/a

City

State

Country

Employees

Also broker-dealer

NEW YORK

United States

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2024

Dec 20, 2024

$9.6B

113

n/a

2023

Dec 18, 2023

$9.1B

$9.0B

115

n/a

2022

Dec 13, 2022

$7.5B

104

n/a

2021

Dec 23, 2021

$8.5B

n/a

2020

Dec 23, 2020

$5.3B

n/a

2019

Dec 23, 2019

$4.3B

n/a

2018

Dec 27, 2018

$4.4B

n/a

2017

Jan 26, 2018

$4.6B

n/a

2016

Mar 17, 2017

$4.1B

n/a

2015

Mar 16, 2016

$3.7B

n/a

2014

Mar 4, 2015

$3.4B

n/a

2013

Feb 11, 2014

$3.2B

n/a

2012

Jan 30, 2013

$2.7B

n/a

2011

Jan 25, 2012

$2.5B

n/a

Joined, 12m

Left, 12m

Net, 12m

Departure rate, 12m

Joined, 90d

Left, 90d

Left, no destination yet

Joined, 36m

Left, 36m

0.0%

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2024

$8.9B

$9.1B

-1.5%

$8.5B

1.6%

115