IMPAX ASSET MANAGEMENT GROUP PLC
Q2 2023 Form 13-F
LONDON
CIK 0001749768
· CRD 143247
· SEC-registered investment adviser
Consolidated report · includes
2 managers
since Q3 2018
$24.9B Reported Value Total
IMPAX ASSET MANAGEMENT, LTD. reports 1,372 total accounts under management (AUM). There are 1,365 discretionary accounts valued at $31,187,918,278, and 7 non-discretionary accounts valued at $1,024,723,316.
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
$24.9B
Quarter over quarter
+6.1%
Holdings
388
Top-10 concentration
27.6%
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
Q2 2023 13F record
Q2 2023 13F filing summary
| Period of report | June 30, 2023 |
|---|---|
| Filed | August 07, 2023 |
| Form | 13F-HR |
| Reported value | $24.9B |
| Positions | 388 |
| Change in reported value | +4.0% |
| New positions | 12 |
| Exited positions | 15 |
| Position turnover | 6.7% |
| Top-10 concentration | 27.6% |
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 2023
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | LIN Linde PLC | $1.1B | 4.6% |
| 2 | MSFT Microsoft Corp | $1.0B | 4.17% |
| 3 | AWK American Water Works Co Inc | $783.8M | 3.15% |
| 4 | PNR Pentair PLC | $705.4M | 2.84% |
| 5 | APTV Aptiv PLC | $625.6M | 2.51% |
| 6 | CTAS Cintas Corp | $583.5M | 2.35% |
| 7 | TRMB Trimble Inc | $561.0M | 2.25% |
| 8 | TELXXXX TE Connectivity Ltd | $509.8M | 2.05% |
| 9 | MA Mastercard Inc | $458.2M | 1.84% |
| 10 | IEX IDEX Corp | $453.7M | 1.82% |
| 11 | URI United Rentals Inc | $438.7M | 1.76% |
| 12 | EQIX Equinix Inc | $417.5M | 1.68% |
| 13 | AMAT Applied Materials Inc | $411.3M | 1.65% |
| 14 | WM Waste Management Inc | $408.3M | 1.64% |
| 15 | WMS Advanced Drainage Systems Inc | $395.9M | 1.59% |
| 16 | HDB HDFC Bank Ltd | $387.7M | 1.56% |
| 17 | IQV IQVIA Holdings Inc | $376.7M | 1.51% |
| 18 | RSG Republic Services Inc | $360.5M | 1.45% |
| 19 | TMO Thermo Fisher Scientific Inc | $353.8M | 1.42% |
| 20 | CDNS Cadence Design Systems Inc | $352.4M | 1.42% |
Values as reported on the Q2 2023 Form 13F. Every position is in the holdings table below.