# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-002982
**Filing Date:** 2026-2
**Character Count:** 21454
**Document Hash:** 2e57989c3673fd92daa237e6f723df32
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-002982.hdr.sgml**: 20260223

**ACCESSION NUMBER**: 0002071691-26-002982

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260223

**DATE AS OF CHANGE**: 20260223

**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:** 26664600

**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:** 2025-12-31

**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:** $1673502519.78

**Total Liabilities:** $1959521.98

**Net Assets:** $1671542997.80

**Cash Not Reported:** $1169556.95

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000061357 | -0.27%               | -1.28%               | -0.00%               |
| Class ID C000061358 | -0.23%               | -1.26%               | -0.00%               |
| Class ID C000128849 | -0.23%               | -1.28%               | -0.04%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $44830413.00             | $-45966366.99                              |
| Month 2  | $2928434.39              | $-25833860.93                              |
| Month 3  | $20855678.65             | $-21348299.78                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| AAON, Inc.                                    | AAON, Inc.                                              | CUSIP: 000360206<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    177171 | NS      | $13509288.75  | 0.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Ashtead Group plc                             | Ashtead Group plc                                       | CUSIP: N/A<br>LEI: 2138007UTBN8X9K1A235       | Long             | EC               | CORP              | GB        |    499530 | NS      | $34057556.72  | 2.04%             |  |  |  | No            |                  2 | On Loan: No      |
| Agilent Technologies, Inc.                    | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |    592205 | NS      | $80581334.35  | 4.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp.                                | Amphenol Corp., Class A                                 | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    309882 | NS      | $41877453.48  | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Applied Materials, Inc.                       | Applied Materials, Inc.                                 | CUSIP: 038222105<br>LEI: 41BNNE1AFPNAZELZ6K07 | Long             | EC               | CORP              | US        |    153118 | NS      | $39349794.82  | 2.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Autodesk, Inc.                                | Autodesk, Inc.                                          | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |     63987 | NS      | $18940791.87  | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Carrier Global Corp.                          | Carrier Global Corp.                                    | CUSIP: 14448C104<br>LEI: 549300JE3W6CWY2NAN77 | Long             | EC               | CORP              | US        |    560762 | NS      | $29630664.08  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    410342 | NS      | $35740788.20  | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA                       | Veolia Environnement SA                                 | CUSIP: N/A<br>LEI: 969500LENY69X51OOT31       | Long             | EC               | CORP              | FR        |   1454520 | NS      | $50613656.40  | 3.03%             |  |  |  | No            |                  2 | On Loan: No      |
| Hubbell, Inc.                                 | Hubbell, Inc., Class B                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |     99691 | NS      | $44273770.01  | 2.65%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEX Corp.                                    | IDEX Corp.                                              | CUSIP: 45167R104<br>LEI: 549300U5Y5EL6PHYLF13 | Long             | EC               | CORP              | US        |    161277 | NS      | $28697629.38  | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Kerry Group plc                               | Kerry Group plc, Class A                                | CUSIP: N/A<br>LEI: 635400TLVVBNXLFHWC59       | Long             | EC               | CORP              | IE        |    534264 | NS      | $48822492.57  | 2.92%             |  |  |  | No            |                  2 | On Loan: No      |
| GEA Group AG                                  | GEA Group AG                                            | CUSIP: N/A<br>LEI: 549300PHUU0ZZWO8EO07       | Long             | EC               | CORP              | DE        |    337968 | NS      | $22840639.16  | 1.37%             |  |  |  | No            |                  2 | On Loan: No      |
| Itron, Inc.                                   | Itron, Inc.                                             | CUSIP: 465741106<br>LEI: 24F6LSZD18II6ICG6S41 | Long             | EC               | CORP              | US        |    206783 | NS      | $19201869.38  | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan U.S. Treasury Plus Money Market Fund | JPMorgan U.S. Treasury Plus Money Market Fund, Class IM | CUSIP: 4812C2262<br>LEI: 549300WIC5LVF25Z1127 | Long             | STIV             | RF                | US        |  19685975 | NS      | $19685974.75  | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Schneider Electric SE                         | Schneider Electric SE                                   | CUSIP: N/A<br>LEI: 969500A1YF1XUYYXS284       | Long             | EC               | CORP              | FR        |    186893 | NS      | $51129301.47  | 3.06%             |  |  |  | No            |                  2 | On Loan: No      |
| Marvell Technology, Inc.                      | Marvell Technology, Inc.                                | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    451347 | NS      | $38355468.06  | 2.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Infineon Technologies AG                      | Infineon Technologies AG                                | CUSIP: N/A<br>LEI: TSI2PJM6EPETEQ4X1U25       | Long             | EC               | CORP              | DE        |    434499 | NS      | $18957609.40  | 1.13%             |  |  |  | No            |                  2 | On Loan: No      |
| Microsoft Corp.                               | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    198939 | NS      | $96210879.18  | 5.76%             |  |  |  | No            |                  1 | On Loan: No      |
| MediaTek, Inc.                                | MediaTek, Inc.                                          | CUSIP: N/A<br>LEI: 254900UEGBK1I4DM4E14       | Long             | EC               | CORP              | TW        |    729000 | NS      | $33100384.15  | 1.98%             |  |  |  | No            |                  2 | On Loan: No      |
| Keyence Corp.                                 | Keyence Corp.                                           | CUSIP: N/A<br>LEI: 529900M7PQBS7A89DZ11       | Long             | EC               | CORP              | JP        |     68600 | NS      | $24814335.05  | 1.48%             |  |  |  | No            |                  2 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    242181 | NS      | $45166756.50  | 2.70%             |  |  |  | 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        |   1496000 | NS      | $73539298.68  | 4.40%             |  |  |  | No            |                  2 | On Loan: No      |
| Republic Services, Inc.                       | Republic Services, Inc., Class A                        | CUSIP: 760759100<br>LEI: NKNQHM6BLECKVOQP7O46 | Long             | EC               | CORP              | US        |    141349 | NS      | $29956093.57  | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| A O Smith Corp.                               | A O Smith Corp.                                         | CUSIP: 831865209<br>LEI: 549300XG4US7UJNECY36 | Long             | EC               | CORP              | US        |    414784 | NS      | $27740753.92  | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys, Inc.                                | Synopsys, Inc.                                          | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     83284 | NS      | $39120160.48  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments, Inc.                       | Texas Instruments, Inc.                                 | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |    110822 | NS      | $19226508.78  | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.                           | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |    221154 | NS      | $51157343.28  | 3.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Veralto Corp.                                 | Veralto Corp.                                           | CUSIP: 92338C103<br>LEI: 635400FJE6GSOJUSNY27 | Long             | EC               | CORP              | US        |    342583 | NS      | $34182931.74  | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Management, Inc.                        | Waste Management, Inc.                                  | CUSIP: 94106L109<br>LEI: 549300YX8JIID70NFS41 | Long             | EC               | CORP              | US        |    221770 | NS      | $48725086.70  | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Waters Corp.                                  | Waters Corp.                                            | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |     59077 | NS      | $22439216.91  | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                                   | Xylem, Inc.                                             | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |    320195 | NS      | $43604155.10  | 2.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Zoetis, Inc.                                  | Zoetis, Inc., Class A                                   | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |    230601 | NS      | $29014217.82  | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Air Liquide SA                                | Air Liquide SA                                          | CUSIP: N/A<br>LEI: 969500MMPQVHK671GT54       | Long             | EC               | CORP              | FR        |    321134 | NS      | $60358408.52  | 3.61%             |  |  |  | No            |                  2 | On Loan: No      |
| Sika AG                                       | Sika AG                                                 | CUSIP: N/A<br>LEI: 549300R3N69ECGYPU434       | Long             | EC               | CORP              | CH        |    128182 | NS      | $26024215.79  | 1.56%             |  |  |  | No            |                  2 | On Loan: No      |
| Siemens Energy AG                             | Siemens Energy AG                                       | CUSIP: N/A<br>LEI: 5299005CHJZ14D4FDJ62       | Long             | EC               | CORP              | DE        |    146106 | NS      | $20497003.07  | 1.23%             |  |  |  | No            |                  2 | On Loan: No      |
| DSM-Firmenich AG                              | DSM-Firmenich AG                                        | CUSIP: N/A<br>LEI: 506700G44V67MPM4BI12       | Long             | EC               | CORP              | CH        |    300663 | NS      | $24254443.71  | 1.45%             |  |  |  | No            |                  2 | On Loan: No      |
| Ferguson Enterprises, Inc.                    | Ferguson Enterprises, Inc.                              | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |     92396 | NS      | $20485247.59  | 1.23%             |  |  |  | No            |                  2 | On Loan: No      |
| Spirax Group plc                              | Spirax Group plc                                        | CUSIP: N/A<br>LEI: 213800WFVZQMHOZP2W17       | Long             | EC               | CORP              | GB        |    347160 | NS      | $31729393.51  | 1.90%             |  |  |  | No            |                  2 | On Loan: No      |
| Swiss Franc                                   | Swiss Franc                                             | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | CH        |        -2 | OU      | $-3.16        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| EURO                                          | EURO                                                    | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | XX        |    626183 | OU      | $735890.79    | 0.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                                     | Aptiv plc                                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    443667 | NS      | $33758622.03  | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                     | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |    181529 | NS      | $77402150.31  | 4.63%             |  |  |  | No            |                  1 | On Loan: No      |
| RenaissanceRe Holdings Ltd.                   | RenaissanceRe Holdings Ltd.                             | CUSIP: N/A<br>LEI: EK6GB9U3U58PDI411C94       | Long             | EC               | CORP              | BM        |    187925 | NS      | $52836993.00  | 3.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Pentair plc                                   | Pentair plc                                             | CUSIP: N/A<br>LEI: 549300EVR9D56WPSRP15       | Long             | EC               | CORP              | IE        |    221310 | NS      | $23047223.40  | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| TE Connectivity plc                           | TE Connectivity plc                                     | CUSIP: N/A<br>LEI: 6367003TB6K484NFHE54       | Long             | EC               | CORP              | IE        |    117315 | NS      | $26690335.65  | 1.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Trane Technologies plc                        | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     38822 | NS      | $15109522.40  | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Pound Sterling                                | Pound Sterling                                          | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | GB        |       143 | OU      | $193.15       | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| New Taiwan Dollar                             | New Taiwan Dollar                                       | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | TW        |        -2 | OU      | $-0.06        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-01-30

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

**Signature:** Daniel Saltus

**Name of Signer:** Daniel Saltus

**Title:** Treasurer