IMPAX ASSET MANAGEMENT GROUP PLC
Q2 2026 Form 13-F
LONDON
CIK 0001749768
· CRD 143247
· SEC-registered investment adviser
Consolidated report · includes
2 managers
since Q3 2018
$15.4B 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
$15.4B
Quarter over quarter
+15.0%
Holdings
284
Top-10 concentration
34.1%
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
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Q2 2026 13F record
Q2 2026 13F filing summary
| Period of report | June 30, 2026 |
|---|---|
| Filed | August 11, 2026 |
| Form | 13F-HR |
| Reported value | $15.4B |
| Positions | 284 |
| Change in reported value | +7.1% |
| New positions | 9 |
| Exited positions | 12 |
| Position turnover | 7.1% |
| Top-10 concentration | 34.1% |
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 · Q2 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | KLAC KLA Corp | $749.0M | 4.87% |
| 2 | NVDA NVIDIA Corp | $744.9M | 4.85% |
| 3 | LIN Linde PLC | $736.6M | 4.79% |
| 4 | XYL Xylem Inc/NY | $528.3M | 3.44% |
| 5 | MSFT Microsoft Corp | $503.8M | 3.28% |
| 6 | AWK American Water Works Co Inc | $471.5M | 3.07% |
| 7 | VLTO Veralto Corp | $459.9M | 2.99% |
| 8 | CTAS Cintas Corp | $410.5M | 2.67% |
| 9 | WCN Waste Connections Inc | $329.9M | 2.15% |
| 10 | SBS Cia de Saneamento Basico do Es | $302.4M | 1.97% |
| 11 | WMS Advanced Drainage Systems Inc | $289.7M | 1.89% |
| 12 | ECL Ecolab Inc | $275.4M | 1.79% |
| 13 | HUBB Hubbell Inc | $254.7M | 1.66% |
| 14 | APTV Aptiv PLC | $250.9M | 1.63% |
| 15 | VRT Vertiv Holdings Co | $244.3M | 1.59% |
| 16 | A Agilent Technologies Inc | $222.5M | 1.45% |
| 17 | IEX IDEX Corp | $218.3M | 1.42% |
| 18 | WTS Watts Water Technologies Inc | $212.7M | 1.38% |
| 19 | APH Amphenol Corp | $210.8M | 1.37% |
| 20 | CNM Core & Main Inc | $202.8M | 1.32% |
Values as reported on the Q2 2026 Form 13F. Every position is in the holdings table below.