# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-002981
**Filing Date:** 2026-2
**Character Count:** 20231
**Document Hash:** bb97937a92e928e2d0ed2bcaad7a4464
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-002981.hdr.sgml**: 20260223

**ACCESSION NUMBER**: 0002071691-26-002981

**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:** 26664599

**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 SOCIAL LEADERS FUND (Series ID: S000083017)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000246501 | Investor Class      | IGSLX           |
| C000246502 | Institutional Class | IGSIX           |

## 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 Social Leaders Fund

- **b. EDGAR series identifier (if any):** S000083017

- **c. LEI of Series:** 529900DI3S5K3WN7O862

**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:** $2553318.10

**Total Liabilities:** $64218.01

**Net Assets:** $2489100.09

**Cash Not Reported:** $0.91

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000246501 | -1.30%               | -1.65%               | 0.84%                |
| Class ID C000246502 | -1.30%               | -1.64%               | 0.92%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $4681.55                 | $-35780.12                                 |
| Month 2  | $6515.31                 | $-47307.93                                 |
| Month 3  | $-4953.94                | $26467.75                                  |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Agilent Technologies, Inc.                    | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |       471 | NS      | $64088.97     | 2.57%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.                          | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |       223 | NS      | $39152.11     | 1.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Halma plc                                     | Halma plc                                               | CUSIP: N/A<br>LEI: 2138007FRGLUR9KGBT40       | Long             | EC               | CORP              | GB        |      2613 | NS      | $124025.72    | 4.98%             |  |  |  | No            |                  2 | On Loan: No      |
| Autodesk, Inc.                                | Autodesk, Inc.                                          | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |       167 | NS      | $49433.67     | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Autoliv, Inc.                                 | Autoliv, Inc.                                           | CUSIP: 052800109<br>LEI: A23RUXWKASG834LTMK28 | Long             | EC               | CORP              | US        |       483 | NS      | $57332.10     | 2.30%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITE Group plc (The)                         | UNITE Group plc (The)                                   | CUSIP: N/A<br>LEI: 213800BBUUWVDH9YI827       | Long             | EC               | CORP              | GB        |      3609 | NS      | $27171.49     | 1.09%             |  |  |  | No            |                  2 | On Loan: No      |
| Prudential plc                                | Prudential plc                                          | CUSIP: N/A<br>LEI: 5493001Z3ZE83NGK8Y12       | Long             | EC               | CORP              | GB        |      3118 | NS      | $47964.44     | 1.93%             |  |  |  | No            |                  2 | On Loan: No      |
| Bentley Systems, Inc.                         | Bentley Systems, Inc., Class B                          | CUSIP: 08265T208<br>LEI: 549300WVEHPGE0Z56F71 | Long             | EC               | CORP              | US        |      1036 | NS      | $39538.94     | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp.                       | Boston Scientific Corp.                                 | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |       437 | NS      | $41667.95     | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Bright Horizons Family Solutions, Inc.        | Bright Horizons Family Solutions, Inc.                  | CUSIP: 109194100<br>LEI: 2549009BKSVTM7UEYT38 | Long             | EC               | CORP              | US        |       473 | NS      | $47962.20     | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Colgate-Palmolive Co.                         | Colgate-Palmolive Co.                                   | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |       555 | NS      | $43856.10     | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Duolingo, Inc.                                | Duolingo, Inc., Class A                                 | CUSIP: 26603R106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |        92 | NS      | $16146.00     | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |      1063 | NS      | $92587.30     | 3.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences, Inc.                         | Gilead Sciences, Inc.                                   | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |       287 | NS      | $35226.38     | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| HDFC Bank Ltd.                                | HDFC Bank Ltd.                                          | CUSIP: 40415F101<br>LEI: 335800ZQ6I4E2JXENC50 | Long             | EC               | CORP              | IN        |      1481 | NS      | $54115.74     | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuit, Inc.                                  | Intuit, Inc.                                            | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |       101 | NS      | $66904.42     | 2.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical, Inc.                      | Intuitive Surgical, Inc.                                | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |        97 | NS      | $54936.92     | 2.21%             |  |  |  | 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        |    134158 | NS      | $134157.56    | 5.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Banco Bilbao Vizcaya Argentaria SA            | Banco Bilbao Vizcaya Argentaria SA                      | CUSIP: N/A<br>LEI: K8MS7FD7N5Z2WQ51AZ71       | Long             | EC               | CORP              | ES        |      3408 | NS      | $79942.20     | 3.21%             |  |  |  | No            |                  2 | On Loan: No      |
| Wolters Kluwer NV                             | Wolters Kluwer NV                                       | CUSIP: N/A<br>LEI: 724500TEM53I0U077B74       | Long             | EC               | CORP              | NL        |       340 | NS      | $35216.01     | 1.41%             |  |  |  | No            |                  2 | On Loan: No      |
| Mastercard, Inc.                              | Mastercard, Inc., Class A                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |       190 | NS      | $108467.20    | 4.36%             |  |  |  | No            |                  1 | On Loan: No      |
| MercadoLibre, Inc.                            | MercadoLibre, Inc.                                      | CUSIP: 58733R102<br>LEI: 549300DKPDN9M5S8GB14 | Long             | EC               | CORP              | US        |        31 | NS      | $62442.06     | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix, Inc.                                 | Netflix, Inc.                                           | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |       290 | NS      | $27190.40     | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |      1044 | NS      | $194706.00    | 7.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Palo Alto Networks, Inc.                      | Palo Alto Networks, Inc.                                | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |       188 | NS      | $34629.60     | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc.             | Pinnacle Financial Partners, Inc.                       | CUSIP: 72346Q104<br>LEI: 54930098EZ8JMSAZGS24 | Long             | EC               | CORP              | US        |       641 | NS      | $61157.81     | 2.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp. (The)                       | Progressive Corp. (The)                                 | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |       184 | NS      | $41900.48     | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow, Inc.                              | ServiceNow, Inc.                                        | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |       330 | NS      | $50552.70     | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Tyler Technologies, Inc.                      | Tyler Technologies, Inc.                                | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |        77 | NS      | $34954.15     | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Ventas, Inc.                                  | Ventas, Inc.                                            | CUSIP: 92276F100<br>LEI: ORQTRC074CWLT3DKHT41 | Long             | EC               | CORP              | US        |       675 | NS      | $52231.50     | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Voya Financial, Inc.                          | Voya Financial, Inc.                                    | CUSIP: 929089100<br>LEI: 549300T065Z4KJ686G75 | Long             | EC               | CORP              | US        |       838 | NS      | $62422.62     | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Experian plc                                  | Experian plc                                            | CUSIP: N/A<br>LEI: 635400RXXHHYT1JTSZ26       | Long             | EC               | CORP              | JE        |      1743 | NS      | $78585.92     | 3.16%             |  |  |  | No            |                  2 | On Loan: No      |
| Danone SA                                     | Danone SA                                               | CUSIP: N/A<br>LEI: 969500KMUQ2B6CBAF162       | Long             | EC               | CORP              | FR        |       920 | NS      | $82983.16     | 3.33%             |  |  |  | No            |                  2 | On Loan: No      |
| AIA Group Ltd.                                | AIA Group Ltd.                                          | CUSIP: N/A<br>LEI: ZP5ILWVSYE4LJGMMVD57       | Long             | EC               | CORP              | HK        |      4900 | NS      | $50436.16     | 2.03%             |  |  |  | No            |                  2 | On Loan: No      |
| Vodacom Group Ltd.                            | Vodacom Group Ltd.                                      | CUSIP: N/A<br>LEI: 37890012A8DC24B8D663       | Long             | EC               | CORP              | ZA        |      5588 | NS      | $47683.59     | 1.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Alcon AG                                      | Alcon AG                                                | CUSIP: N/A<br>LEI: 549300LDT5AP8S0NBM78       | Long             | EC               | CORP              | CH        |       549 | NS      | $43441.33     | 1.75%             |  |  |  | No            |                  2 | On Loan: No      |
| Haleon plc                                    | Haleon plc                                              | CUSIP: N/A<br>LEI: 549300PSB3WWEODCUP19       | Long             | EC               | CORP              | GB        |     11101 | NS      | $56097.58     | 2.25%             |  |  |  | No            |                  2 | On Loan: No      |
| Trip.com Group Ltd.                           | Trip.com Group Ltd.                                     | CUSIP: N/A<br>LEI: 2549004RMYDSRQL4KW41       | Long             | EC               | CORP              | KY        |      1050 | NS      | $75286.50     | 3.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Novo Nordisk A/S                              | Novo Nordisk A/S, Class B                               | CUSIP: N/A<br>LEI: 549300DAQ1CVT6CXN342       | Long             | EC               | CORP              | DK        |       487 | NS      | $24699.90     | 0.99%             |  |  |  | No            |                  2 | On Loan: No      |
| Recruit Holdings Co. Ltd.                     | Recruit Holdings Co. Ltd.                               | CUSIP: N/A<br>LEI: 353800R2LRSMVVC4I806       | Long             | EC               | CORP              | JP        |      1300 | NS      | $73049.06     | 2.93%             |  |  |  | No            |                  2 | On Loan: No      |
| Adyen NV                                      | Adyen NV                                                | CUSIP: N/A<br>LEI: 724500973ODKK3IFQ447       | Long             | EC               | CORP              | NL        |        39 | NS      | $62890.42     | 2.53%             |  |  |  | Yes           |                  2 | On Loan: No      |
| Danish Krone                                  | Danish Krone                                            | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | DK        |        -0 | OU      | $0.00         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| EURO                                          | EURO                                                    | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | XX        |         0 | OU      | $0.07         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Pound Sterling                                | Pound Sterling                                          | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | GB        |         0 | OU      | $0.36         | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| On Holding AG                                 | On Holding AG, Class A                                  | CUSIP: N/A<br>LEI: 506700FB3467B9W95526       | Long             | EC               | CORP              | CH        |      1198 | NS      | $55683.04     | 2.24%             |  |  |  | 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      |

### Signature

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

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

**Signature:** Daniel Saltus

**Name of Signer:** Daniel Saltus

**Title:** Treasurer