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IMPAX ASSET MANAGEMENT, LTD.
CRD 143247File 801-67631
APPROVED
Retail clients
Filing as of Dec 22, 2025
Feed vintage Aug 17, 2026
Regulatory AUM
$25.84B
Top 10% of cohort (national)
Discretionary AUM
$24.45B
Non-discretionary $1.39B
Clients
673
686 accounts
Employees
165
Identity & registration
ADV Item 1- Organization form
- Other (specify)
- Firm type
- Registered
- SEC region
- HQ
- Registration date
- Jan 7, 2008
- Principal office
- 7TH FLOOR, 30 PANTON STREET, LONDON, SW1Y 4AJ
- Phone
- 011 44 20 3912 3000
- Website
- HTTPS://WWW.IMPAXAM.COM/
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $25.84B
- Discretionary AUM
- $24.45B
- Non-discretionary AUM
- $1.39B
- Discretionary accounts
- 676
- Non-discretionary accounts
- 10
- Total accounts
- 686
- AUM per client
- $38.4M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Other | 17 | $14.3M |
| Investment companies | 4 | $2.25B |
| Charitable organizations | 7 | $12.8M |
| Other investment advisers | 11 | $1.57B |
| High net worth individuals | 562 | $218.5M |
| Pooled investment vehicles | 27 | $18.02B |
| Pension and profit sharing plans | 9 | $893.8M |
| State or municipal government entities | 3 | $1.47B |
| Individuals (other than high net worth individuals) | 33 | $7.1M |
Compensation & activities
ADV Items 5E, 5GCompensation
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Portfolio management for businesses
- Portfolio management for investment companies
- Portfolio management for pooled investment vehicles
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- No
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- No
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 17, 2026 | Clients | 686 | 673 |
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.