IMPAX ASSET MANAGEMENT GROUP PLC
Q3 2026 Form 13-F
LONDON
CIK 0001749768
· CRD 143247
· SEC-registered investment adviser
Consolidated report · includes
2 managers
since Q3 2018
$13.0B Reported Value Total
IMPAX ASSET MANAGEMENT, LTD. reports 686 total accounts under management (AUM). There are 676 discretionary accounts valued at $24,448,570,709, and 10 non-discretionary accounts valued at $1,392,510,288.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
2 funds
· $384.1M gross asset value
Private Equity Fund: $384.1M
Source: Form ADV filed 2026-10-26
Reported value
$13.0B
Quarter over quarter
-4.8%
Holdings
287
Top-10 concentration
34.8%
Filing Structure
Reports holdings for
- IMPAX ASSET MANAGEMENT LLC · since Q3 2018
- Impax Asset Management LTD · since Q3 2018
- Fidante Partners Ltd · Q4 2023 – Q4 2025
- Desjardins Global Asset Management Inc · File #028-21533 · Q2 2024 – Q2 2025 · declared by one filing
- Fidante Partners Ltd (not a 13F filer in our records) · Q1 2025 – Q1 2025 · declared by one filing
- Impax Asset Management (AIFM) Ltd (not a 13F filer in our records) · Q1 2025 – Q1 2025 · declared by one filing
- IMPAX ASSET MANAGEMENT LLC (not a 13F filer in our records) · Q1 2025 – Q1 2025 · declared by one filing
- Impax Asset Management LTD (not a 13F filer in our records) · Q1 2025 – Q1 2025 · declared by one filing
- Impax Asset Management AIFM Ltd · Q3 2018 – Q4 2024
- Pax Ellevate Management LLC (not a 13F filer in our records) · Q3 2018 – Q3 2020
Key People
Form ADV owners & control persons
John Aquinas Boese
CHIEF COMPLIANCE OFFICER
Karen Cockburn
DIRECTOR, CHIEF FINANCIAL OFFICER
Darren Michael Johnson
GLOBAL CHIEF OPERATING OFFICER
Filing Navigation
13F Metrics
Loading 13F Metrics
Q3 2026 13F record
Q3 2026 13F filing summary
| Period of report | September 30, 2026 |
|---|---|
| Filed | November 10, 2026 |
| Form | 13F-HR |
| Reported value | $13.0B |
| Positions | 287 |
| Change in reported value | -15.2% |
| New positions | 45 |
| Exited positions | 42 |
| Position turnover | 26.4% |
| Top-10 concentration | 34.8% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Nov 10, 2026
|
287 | $13.0B |
|
Q2 2026 13F
Filed Aug 11, 2026
|
284 | $15.4B |
|
Q1 2026 13F
Filed May 12, 2026
|
287 | $14.3B |
|
Q4 2025 13F
Filed Jan 29, 2026
|
279 | $16.0B |
|
Q3 2025 13F
Filed Nov 6, 2025
|
275 | $17.1B |
|
Q2 2025 13F
Filed Aug 8, 2025
|
280 | $17.4B |
|
Q1 2025 13F
Filed Apr 29, 2025
|
295 | $16.6B |
|
Q4 2024 13F
Filed Feb 4, 2025
|
312 | $22.1B |
|
Q3 2024 13F
Filed Oct 30, 2024
|
313 | $25.4B |
|
Q2 2024 13F
Filed Aug 5, 2024
|
315 | $24.6B |
|
Q1 2024 13F
Filed Apr 30, 2024
|
308 | $26.1B |
|
Q4 2023 13F
Filed Jan 26, 2024
|
366 | $24.9B |
|
Q3 2023 13F
Filed Nov 7, 2023
|
395 | $22.4B |
|
Q2 2023 13F
Filed Aug 7, 2023
|
388 | $24.9B |
|
Q1 2023 13F
Filed May 10, 2023
|
391 | $23.9B |
|
Q4 2022 13F
Filed Feb 9, 2023
|
381 | $22.4B |
|
Q3 2022 13F
Filed Nov 8, 2022
|
387 | $19.5B |
|
Q2 2022 13F
Filed Aug 2, 2022
|
389 | $20.5B |
|
Q1 2022 13F
Filed May 16, 2022
|
411 | $24.2B |
|
Q4 2021 13F
Filed Feb 14, 2022
|
419 | $27.3B |
13 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q3 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | NVDA NVIDIA Corp | $663.1M | 5.09% |
| 2 | LIN Linde PLC | $598.6M | 4.59% |
| 3 | MSFT Microsoft Corp | $541.0M | 4.15% |
| 4 | VLTO Veralto Corp | $484.8M | 3.72% |
| 5 | XYL Xylem Inc/NY | $478.2M | 3.67% |
| 6 | KLAC KLA Corp | $438.3M | 3.36% |
| 7 | CTAS Cintas Corp | $390.5M | 3.0% |
| 8 | AWK American Water Works Co Inc | $388.9M | 2.99% |
| 9 | SBS Cia de Saneamento Basico do Es | $274.6M | 2.11% |
| 10 | WMS Advanced Drainage Systems Inc | $270.5M | 2.08% |
| 11 | WCN Waste Connections Inc | $266.0M | 2.04% |
| 12 | ECL Ecolab Inc | $262.6M | 2.02% |
| 13 | VRT Vertiv Holdings Co | $218.5M | 1.68% |
| 14 | CNM Core & Main Inc | $200.3M | 1.54% |
| 15 | FERG Ferguson Enterprises Inc | $199.4M | 1.53% |
| 16 | HUBB Hubbell Inc | $199.0M | 1.53% |
| 17 | IEX IDEX Corp | $185.7M | 1.43% |
| 18 | WTS Watts Water Technologies Inc | $180.4M | 1.38% |
| 19 | TEL TE Connectivity PLC | $178.5M | 1.37% |
| 20 | A Agilent Technologies Inc | $178.5M | 1.37% |
Values as reported on the Q3 2026 Form 13F. Every position is in the holdings table below.