# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-010468
**Filing Date:** 2026-5
**Character Count:** 20166
**Document Hash:** d11f190e8e47de3170f0dc6d2fd297cd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-010468.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0002071691-26-010468

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260520

**DATE AS OF CHANGE**: 20260520

**PERIOD START**: 20261231

**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:** 261003692

**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 Sustainable Infrastructure ETF (Series ID: S000098391)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000268069 | Impax Global Sustainable Infrastructure ETF |  |

## 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 Infrastructure ETF

- **b. EDGAR series identifier (if any):** S000098391

- **c. LEI of Series:** 529900IDZS1Q7NSUI796

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

- **a. Date of fiscal year-end:** 2026-12-31

- **b. Date as of which information is reported:** 2026-03-31

**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:** $106734655.01

**Total Liabilities:** $55243.50

**Net Assets:** $106679411.51

**Cash Not Reported:** $52106.96

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000268069 | 5.19%                | 8.84%                | -6.36%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $316759.72               | $4621783.76                                |
| Month 2  | $1576800.68              | $7130451.63                                |
| Month 3  | $-541327.97              | $-6652517.26                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Taiwan Semiconductor Manufacturing Co. Ltd.            | Taiwan Semiconductor Manufacturing Co. Ltd.             | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |      8029 | NS      | $2713400.55   | 2.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Management, Inc.                                 | Waste Management, Inc.                                  | CUSIP: 94106L109<br>LEI: 549300YX8JIID70NFS41 | Long             | EC               | CORP              | US        |     14342 | NS      | $3295648.18   | 3.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Vodacom Group Ltd.                                     | Vodacom Group Ltd.                                      | CUSIP: N/A<br>LEI: 37890012A8DC24B8D663       | Long             | EC               | CORP              | ZA        |    289006 | NS      | $2464909.27   | 2.31%             |  |  |  | No            |                  1 | On Loan: No      |
| China Longyuan Power Group Corp. Ltd.                  | China Longyuan Power Group Corp. Ltd., Class H          | CUSIP: N/A<br>LEI: 5299008UYLF3O6V9T464       | Long             | EC               | CORP              | CN        |   2354000 | NS      | $2140491.25   | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| AECOM                                                  | AECOM                                                   | CUSIP: 00766T100<br>LEI: 0EEB8GF0W0NPCIHZX097 | Long             | EC               | CORP              | US        |     29291 | NS      | $2484462.62   | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Keppel DC REIT                                         | Keppel DC REIT                                          | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | SG        |   2118496 | NS      | $3592067.57   | 3.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Singapore Dollar                                       | Singapore Dollar                                        | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | SG        |        -0 | OU      | $-0.01        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy, Inc.                                   | NextEra Energy, Inc.                                    | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |     43694 | NS      | $4058298.72   | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Elisa OYJ                                              | Elisa OYJ                                               | CUSIP: N/A<br>LEI: 743700TU2S3DXWGU7H32       | Long             | EC               | CORP              | FI        |     65263 | NS      | $3162203.28   | 2.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Digital Realty Trust, Inc.                             | Digital Realty Trust, Inc.                              | CUSIP: 253868103<br>LEI: 549300HKCZ31D08NEI41 | Long             | EC               | CORP              | US        |     22339 | NS      | $4025711.19   | 3.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Ormat Technologies, Inc.                               | Ormat Technologies, Inc.                                | CUSIP: 686688102<br>LEI: 5493000TSHHWY24VHM09 | Long             | EC               | CORP              | US        |      9885 | NS      | $1106329.20   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Hydro One Ltd.                                         | Hydro One Ltd.                                          | CUSIP: 448811208<br>LEI: 5493007QZDXTP1W2VL44 | Long             | EC               | CORP              | CA        |     80124 | NS      | $3308981.24   | 3.10%             |  |  |  | Yes           |                  1 | On Loan: No      |
| Severn Trent plc                                       | Severn Trent plc                                        | CUSIP: N/A<br>LEI: 213800RPBXRETY4A4C59       | Long             | EC               | CORP              | GB        |     56276 | NS      | $2301645.63   | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Tetra Tech, Inc.                                       | Tetra Tech, Inc.                                        | CUSIP: 88162G103<br>LEI: 549300UJ1LP7JGJC5P32 | Long             | EC               | CORP              | US        |     57740 | NS      | $1739128.80   | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Westinghouse Air Brake Technologies Corp.              | Westinghouse Air Brake Technologies Corp.               | CUSIP: 929740108<br>LEI: 06BTX5UWZD0GQ5N5Y745 | Long             | EC               | CORP              | US        |     13293 | NS      | $3322053.63   | 3.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Trane Technologies plc                                 | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |      2992 | NS      | $1246886.08   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co., Inc.                         | American Water Works Co., Inc.                          | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |     40838 | NS      | $5557643.42   | 5.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Iberdrola SA                                           | Iberdrola SA                                            | CUSIP: N/A<br>LEI: 5QK37QC7NWOJ8D7WVQ45       | Long             | EC               | CORP              | ES        |    172475 | NS      | $3936269.00   | 3.69%             |  |  |  | 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        |   1258244 | NS      | $1258244.25   | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Drainage Systems, Inc.                        | Advanced Drainage Systems, Inc.                         | CUSIP: 00790R104<br>LEI: 6QQTOZ5MF5DHM7K92I60 | Long             | EC               | CORP              | US        |      8047 | NS      | $1103485.11   | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Otis Worldwide Corp.                                   | Otis Worldwide Corp.                                    | CUSIP: 68902V107<br>LEI: 549300ZLBKR8VSU25153 | Long             | EC               | CORP              | US        |     28836 | NS      | $2222678.88   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian Dollar                                        | Canadian Dollar                                         | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | CA        |     20017 | OU      | $14389.22     | 0.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Clean Harbors, Inc.                                    | Clean Harbors, Inc.                                     | CUSIP: 184496107<br>LEI: 5493000SJVZVZJKHJF48 | Long             | EC               | CORP              | US        |      7093 | NS      | $2033775.89   | 1.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Elia Group SA/NV                                       | Elia Group SA/NV                                        | CUSIP: N/A<br>LEI: 549300S1MP1NFDIKT460       | Long             | EC               | CORP              | BE        |     27061 | NS      | $4122500.61   | 3.86%             |  |  |  | No            |                  1 | On Loan: No      |
| New Taiwan Dollar                                      | New Taiwan Dollar                                       | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | TW        |         0 | OU      | $0.00         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| National Grid plc                                      | National Grid plc                                       | CUSIP: N/A<br>LEI: 8R95QZMKZLJX5Q2XR704       | Long             | EC               | CORP              | GB        |    213766 | NS      | $3591931.90   | 3.37%             |  |  |  | No            |                  1 | On Loan: No      |
| KDDI Corp.                                             | KDDI Corp.                                              | CUSIP: N/A<br>LEI: 5299003FU7V4I45FU310       | Long             | EC               | CORP              | JP        |    119776 | NS      | $2055448.39   | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA                                | Veolia Environnement SA                                 | CUSIP: N/A<br>LEI: 969500LENY69X51OOT31       | Long             | EC               | CORP              | FR        |     88604 | NS      | $3344806.40   | 3.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Infineon Technologies AG                               | Infineon Technologies AG                                | CUSIP: N/A<br>LEI: TSI2PJM6EPETEQ4X1U25       | Long             | EC               | CORP              | DE        |     50475 | NS      | $2216978.09   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Welltower, Inc.                                        | Welltower, Inc.                                         | CUSIP: 95040Q104<br>LEI: 254900F33BIAR82QTA19 | Long             | EC               | CORP              | US        |     16594 | NS      | $3280799.74   | 3.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Delta Electronics, Inc.                                | Delta Electronics, Inc.                                 | CUSIP: N/A<br>LEI: 529900UVZWNWGDLJSM52       | Long             | EC               | CORP              | TW        |     32000 | NS      | $1381294.96   | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                                        | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |      4817 | NS      | $1783108.89   | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Connections, Inc.                                | Waste Connections, Inc.                                 | CUSIP: 94106B101<br>LEI: 549300HDLRTPBQU69P29 | Long             | EC               | CORP              | CA        |     17849 | NS      | $2899391.56   | 2.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.                                    | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     22581 | NS      | $5478602.22   | 5.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Tele2 AB                                               | Tele2 AB, Class B                                       | CUSIP: N/A<br>LEI: 213800EKD193RVI9HL76       | Long             | EC               | CORP              | SE        |    146120 | NS      | $3003697.40   | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | Cia de Saneamento Basico do Estado de Sao Paulo SABESP  | CUSIP: 20441A102<br>LEI: 254900UOXRZRS2TNWP19 | Long             | EC               | CORP              | BR        |     77660 | NS      | $2369408.36   | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Deutsche Telekom AG                                    | Deutsche Telekom AG                                     | CUSIP: N/A<br>LEI: 549300V9QSIG4WX4GJ96       | Long             | EC               | CORP              | DE        |     42904 | NS      | $1584419.30   | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| EURO                                                   | EURO                                                    | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | XX        |        -0 | OU      | $-0.05        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Siemens Energy AG                                      | Siemens Energy AG                                       | CUSIP: N/A<br>LEI: 5299005CHJZ14D4FDJ62       | Long             | EC               | CORP              | DE        |     17930 | NS      | $2948044.55   | 2.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Rand                                                   | Rand                                                    | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | ZA        |        -0 | OU      | $0.00         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.                                   | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |     11466 | NS      | $1978802.28   | 1.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Swedish Krona                                          | Swedish Krona                                           | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | SE        |        -0 | OU      | $0.00         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| SSE plc                                                | SSE plc                                                 | CUSIP: N/A<br>LEI: 549300KI75VYLLMSK856       | Long             | EC               | CORP              | GB        |     99439 | NS      | $3415473.10   | 3.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Hannover Rueck SE                                      | Hannover Rueck SE                                       | CUSIP: N/A<br>LEI: 529900KIN5BE45V5KB18       | Long             | EC               | CORP              | DE        |      5164 | NS      | $1598447.16   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                              | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |      4611 | NS      | $2285949.36   | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-04-30

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

**Signature:** Daniel Saltus

**Name of Signer:** Daniel Saltus

**Title:** Treasurer