# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-25-005481
**Filing Date:** 2025-11
**Character Count:** 18810
**Document Hash:** cce8134b734768bcd0ba50ac3193facf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-25-005481.hdr.sgml**: 20251121

**ACCESSION NUMBER**: 0002071691-25-005481

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251121

**DATE AS OF CHANGE**: 20251121

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IMPAX FUNDS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000076721

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02064
- **FILM NUMBER:** 251507407

**BUSINESS ADDRESS:**
- **STREET 1:** 30 PENHALLOW STREET, SUITE 400
- **CITY:** PORTSMOUTH
- **STATE:** NH
- **ZIP:** 03801-3852
- **BUSINESS PHONE:** 800-767-1729

**MAIL ADDRESS:**
- **STREET 1:** 30 PENHALLOW STREET, SUITE 400
- **CITY:** PORTSMOUTH
- **STATE:** NH
- **ZIP:** 03801-3852

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD FUNDS SERIES TRUST I
- **DATE OF NAME CHANGE:** 20070831

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD BALANCED FUND
- **DATE OF NAME CHANGE:** 20061113

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD BALANCED FUND INC
- **DATE OF NAME CHANGE:** 20040624

## Series and Classes Contracts Data

### Impax Global Environmental Markets Fund (Series ID: S000021458)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000061357 | Investor Class      | PGRNX           |
| C000061358 | Institutional Class | PGINX           |
| C000128849 | Class A             | PXEAX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** IMPAX FUNDS SERIES TRUST I

- **b. Investment Company Act file number:** 811-02064

- **c. CIK number of Registrant:** 0000076721

- **d. LEI of Registrant:** 549300TD5R23SWU72456

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 30 Penhallow St., Suite 100

  - **City:** Portsmouth

  - **State:** NH

  - **Foreign country:** US

  - **Zip / Postal Code:** 03801

  - **Telephone number:** 603-431-8022

**Item A.2. Information about the Series.**

- **a. Name of Series:** Impax Global Environmental Markets Fund

- **b. EDGAR series identifier (if any):** S000021458

- **c. LEI of Series:** 5493004WSDJ280SE8M13

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-09-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $2017765700.52

**Total Liabilities:** $2055756.73

**Net Assets:** $2015709943.79

**Cash Not Reported:** $7262.84

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000128849 | 1.54%                | 1.12%                | 1.77%                |
| Class ID C000061358 | 1.56%                | 1.14%                | 1.79%                |
| Class ID C000061357 | 1.54%                | 1.11%                | 1.81%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $31342014.01             | $640976.69                                 |
| Month 2  | $79565677.13             | $-56004764.09                              |
| Month 3  | $37347028.48             | $-1744270.33                               |

### Schedule of Portfolio Investments

| Name                                        | Title                                       | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Waste Management, Inc.                      | Waste Management, Inc.                      | CUSIP: 94106L109<br>LEI: 549300YX8JIID70NFS41 | Long             | EC               | CORP              | US        |    265658 | NS      | $58665256.14  | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp.                              | Amphenol Corp., Class A                     | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    371209 | NS      | $45937113.75  | 2.28%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                | NVIDIA Corp.                                | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    273680 | NS      | $51063214.40  | 2.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                                 | Xylem, Inc.                                 | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |    383564 | NS      | $56575690.00  | 2.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Waters Corp.                                | Waters Corp.                                | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |     70767 | NS      | $21216654.27  | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Republic Services, Inc.                     | Republic Services, Inc., Class A            | CUSIP: 760759100<br>LEI: NKNQHM6BLECKVOQP7O46 | Long             | EC               | CORP              | US        |    169322 | NS      | $38856012.56  | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Sika AG                                     | Sika AG                                     | CUSIP: N/A<br>LEI: 549300R3N69ECGYPU434       | Long             | EC               | CORP              | CH        |    153548 | NS      | $34480547.10  | 1.71%             |  |  |  | No            |                  2 | On Loan: No      |
| Veralto Corp.                               | Veralto Corp.                               | CUSIP: 92338C103<br>LEI: 635400FJE6GSOJUSNY27 | Long             | EC               | CORP              | US        |    410382 | NS      | $43750825.02  | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Taiwan Semiconductor Manufacturing Co. Ltd. | Taiwan Semiconductor Manufacturing Co. Ltd. | CUSIP: N/A<br>LEI: 549300KB6NK5SBD14S87       | Long             | EC               | CORP              | TW        |   1790000 | NS      | $77753710.64  | 3.86%             |  |  |  | No            |                  2 | On Loan: No      |
| Pentair plc                                 | Pentair plc                                 | CUSIP: N/A<br>LEI: 549300EVR9D56WPSRP15       | Long             | EC               | CORP              | IE        |    265108 | NS      | $29363362.08  | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology, Inc.                    | Marvell Technology, Inc.                    | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    540672 | NS      | $45454295.04  | 2.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Schneider Electric SE                       | Schneider Electric SE                       | CUSIP: N/A<br>LEI: 969500A1YF1XUYYXS284       | Long             | EC               | CORP              | FR        |    223879 | NS      | $63015697.03  | 3.13%             |  |  |  | No            |                  2 | On Loan: No      |
| Trane Technologies plc                      | Trane Technologies plc                      | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     45237 | NS      | $19088204.52  | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Air Liquide SA                              | Air Liquide SA                              | CUSIP: N/A<br>LEI: 969500MMPQVHK671GT54       | Long             | EC               | CORP              | FR        |    384688 | NS      | $80152294.41  | 3.98%             |  |  |  | No            |                  2 | On Loan: No      |
| GEA Group AG                                | GEA Group AG                                | CUSIP: N/A<br>LEI: 549300PHUU0ZZWO8EO07       | Long             | EC               | CORP              | DE        |    404854 | NS      | $29931705.31  | 1.48%             |  |  |  | No            |                  2 | On Loan: No      |
| Autodesk, Inc.                              | Autodesk, Inc.                              | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |     76648 | NS      | $24348770.16  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| TE Connectivity plc                         | TE Connectivity plc                         | CUSIP: N/A<br>LEI: 6367003TB6K484NFHE54       | Long             | EC               | CORP              | IE        |    140530 | NS      | $30850550.90  | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| DSM-Firmenich AG                            | DSM-Firmenich AG                            | CUSIP: N/A<br>LEI: 506700G44V67MPM4BI12       | Long             | EC               | CORP              | CH        |    411339 | NS      | $35094757.82  | 1.74%             |  |  |  | No            |                  2 | On Loan: No      |
| Carrier Global Corp.                        | Carrier Global Corp.                        | CUSIP: 14448C104<br>LEI: 549300JE3W6CWY2NAN77 | Long             | EC               | CORP              | US        |    671742 | NS      | $40102997.40  | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEX Corp.                                  | IDEX Corp.                                  | CUSIP: 45167R104<br>LEI: 549300U5Y5EL6PHYLF13 | Long             | EC               | CORP              | US        |    193193 | NS      | $31444092.68  | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| MediaTek, Inc.                              | MediaTek, Inc.                              | CUSIP: N/A<br>LEI: 254900UEGBK1I4DM4E14       | Long             | EC               | CORP              | TW        |    870000 | NS      | $37731683.40  | 1.87%             |  |  |  | No            |                  2 | On Loan: No      |
| JPMorgan Prime Money Market Fund            | JPMorgan Prime Money Market Fund            | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             | RF                | US        |  60815153 | NS      | $60815153.07  | 3.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Applied Materials, Inc.                     | Applied Materials, Inc.                     | CUSIP: 038222105<br>LEI: 41BNNE1AFPNAZELZ6K07 | Long             | EC               | CORP              | US        |    183420 | NS      | $37553410.80  | 1.86%             |  |  |  | No            |                  1 | On Loan: No      |
| RenaissanceRe Holdings Ltd.                 | RenaissanceRe Holdings Ltd.                 | CUSIP: N/A<br>LEI: EK6GB9U3U58PDI411C94       | Long             | EC               | CORP              | BM        |    225114 | NS      | $57163198.02  | 2.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Itron, Inc.                                 | Itron, Inc.                                 | CUSIP: 465741106<br>LEI: 24F6LSZD18II6ICG6S41 | Long             | EC               | CORP              | US        |    247705 | NS      | $30854134.80  | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA                     | Veolia Environnement SA                     | CUSIP: N/A<br>LEI: 969500LENY69X51OOT31       | Long             | EC               | CORP              | FR        |   1742384 | NS      | $59418778.40  | 2.95%             |  |  |  | No            |                  2 | On Loan: No      |
| Agilent Technologies, Inc.                  | Agilent Technologies, Inc.                  | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |    709408 | NS      | $91052516.80  | 4.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                               | Hubbell, Inc., Class B                      | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |    119419 | NS      | $51387189.89  | 2.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Delta Electronics, Inc.                     | Delta Electronics, Inc.                     | CUSIP: N/A<br>LEI: 529900UVZWNWGDLJSM52       | Long             | EC               | CORP              | TW        |    719475 | NS      | $20267686.60  | 1.01%             |  |  |  | No            |                  2 | On Loan: No      |
| Microsoft Corp.                             | Microsoft Corp.                             | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    238310 | NS      | $123432664.50 | 6.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Ashtead Group plc                           | Ashtead Group plc                           | CUSIP: N/A<br>LEI: 2138007UTBN8X9K1A235       | Long             | EC               | CORP              | GB        |    598390 | NS      | $40128871.80  | 1.99%             |  |  |  | No            |                  2 | On Loan: No      |
| Kerry Group plc                             | Kerry Group plc, Class A                    | CUSIP: N/A<br>LEI: 635400TLVVBNXLFHWC59       | Long             | EC               | CORP              | IE        |    531989 | NS      | $48026741.27  | 2.38%             |  |  |  | No            |                  2 | On Loan: No      |
| Union Pacific Corp.                         | Union Pacific Corp.                         | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |    264920 | NS      | $62619140.40  | 3.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys, Inc.                              | Synopsys, Inc.                              | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     99765 | NS      | $49223053.35  | 2.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Keyence Corp.                               | Keyence Corp.                               | CUSIP: N/A<br>LEI: 529900M7PQBS7A89DZ11       | Long             | EC               | CORP              | JP        |     82100 | NS      | $30587250.92  | 1.52%             |  |  |  | No            |                  2 | On Loan: No      |
| Aptiv plc                                   | Aptiv plc                                   | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    683882 | NS      | $58964306.04  | 2.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Spirax Group plc                            | Spirax Group plc                            | CUSIP: N/A<br>LEI: 213800WFVZQMHOZP2W17       | Long             | EC               | CORP              | GB        |    415865 | NS      | $38294478.06  | 1.90%             |  |  |  | No            |                  2 | On Loan: No      |
| Texas Instruments, Inc.                     | Texas Instruments, Inc.                     | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |    132753 | NS      | $24390708.69  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson Enterprises, Inc.                  | Ferguson Enterprises, Inc.                  | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |    110680 | NS      | $24857287.29  | 1.23%             |  |  |  | No            |                  2 | On Loan: No      |
| Zoetis, Inc.                                | Zoetis, Inc., Class A                       | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |    276236 | NS      | $40418851.52  | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                  | eBay, Inc.                                  | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    378426 | NS      | $34417844.70  | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| A O Smith Corp.                             | A O Smith Corp.                             | CUSIP: 831865209<br>LEI: 549300XG4US7UJNECY36 | Long             | EC               | CORP              | US        |    496873 | NS      | $36475446.93  | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                   | Linde plc                                   | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |    207599 | NS      | $98609525.00  | 4.89%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-30

**Name of Applicant:** IMPAX FUNDS SERIES TRUST I

**Signature:** Daniel Saltus

**Name of Signer:** Daniel Saltus

**Title:** Treasurer