# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-010463
**Filing Date:** 2026-5
**Character Count:** 18840
**Document Hash:** 04fbbde00ebcb820203c69319e2c17cf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-010463.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0002071691-26-010463

**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:** 261003686

**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:** 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:** $2256151.90

**Total Liabilities:** $47021.19

**Net Assets:** $2209130.71

**Cash Not Reported:** $13043.06

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000246501 | -2.82%               | -3.59%               | -6.20%               |
| Class ID C000246502 | -2.90%               | -3.58%               | -6.10%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-9051.75                | $-65582.35                                 |
| Month 2  | $-59267.29               | $-29832.74                                 |
| Month 3  | $-33628.66               | $-117901.84                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Experian plc                                  | Experian plc                                            | CUSIP: N/A<br>LEI: 635400RXXHHYT1JTSZ26       | Long             | EC               | CORP              | JE        |      1886 | NS      | $65245.22     | 2.95%             |  |  |  | No            |                  2 | On Loan: No      |
| Autoliv, Inc.                                 | Autoliv, Inc.                                           | CUSIP: 052800109<br>LEI: A23RUXWKASG834LTMK28 | Long             | EC               | CORP              | US        |       544 | NS      | $57207.04     | 2.59%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |      1013 | NS      | $176667.20    | 8.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Vodacom Group Ltd.                            | Vodacom Group Ltd.                                      | CUSIP: N/A<br>LEI: 37890012A8DC24B8D663       | Long             | EC               | CORP              | ZA        |      6143 | NS      | $52393.16     | 2.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Waters Corp.                                  | Waters Corp.                                            | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |       155 | NS      | $46159.00     | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Adyen NV                                      | Adyen NV                                                | CUSIP: N/A<br>LEI: 724500973ODKK3IFQ447       | Long             | EC               | CORP              | NL        |        43 | NS      | $43036.57     | 1.95%             |  |  |  | Yes           |                  2 | On Loan: No      |
| Boston Scientific Corp.                       | Boston Scientific Corp.                                 | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |       614 | NS      | $38528.50     | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuit, Inc.                                  | Intuit, Inc.                                            | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |       112 | NS      | $48426.56     | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Halma plc                                     | Halma plc                                               | CUSIP: N/A<br>LEI: 2138007FRGLUR9KGBT40       | Long             | EC               | CORP              | GB        |      2464 | NS      | $125739.82    | 5.69%             |  |  |  | No            |                  2 | On Loan: No      |
| Danone SA                                     | Danone SA                                               | CUSIP: N/A<br>LEI: 969500KMUQ2B6CBAF162       | Long             | EC               | CORP              | FR        |       996 | NS      | $79587.51     | 3.60%             |  |  |  | No            |                  2 | On Loan: No      |
| Recruit Holdings Co. Ltd.                     | Recruit Holdings Co. Ltd.                               | CUSIP: N/A<br>LEI: 353800R2LRSMVVC4I806       | Long             | EC               | CORP              | JP        |       900 | NS      | $39212.97     | 1.78%             |  |  |  | No            |                  2 | On Loan: No      |
| Uber Technologies, Inc.                       | Uber Technologies, Inc.                                 | CUSIP: 90353T100<br>LEI: 549300B2FTG34FILDR98 | Long             | EC               | CORP              | US        |       498 | NS      | $35821.14     | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard, Inc.                              | Mastercard, Inc., Class A                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |       207 | NS      | $103429.62    | 4.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Bright Horizons Family Solutions, Inc.        | Bright Horizons Family Solutions, Inc.                  | CUSIP: 109194100<br>LEI: 2549009BKSVTM7UEYT38 | Long             | EC               | CORP              | US        |       689 | NS      | $56587.57     | 2.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Prudential plc                                | Prudential plc                                          | CUSIP: N/A<br>LEI: 5493001Z3ZE83NGK8Y12       | Long             | EC               | CORP              | GB        |      3319 | NS      | $46144.44     | 2.09%             |  |  |  | No            |                  2 | On Loan: No      |
| Progressive Corp. (The)                       | Progressive Corp. (The)                                 | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |       271 | NS      | $53723.04     | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co., Inc.                | American Water Works Co., Inc.                          | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |       496 | NS      | $67500.64     | 3.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc.             | Pinnacle Financial Partners, Inc.                       | CUSIP: 72348N109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       743 | NS      | $64002.02     | 2.90%             |  |  |  | No            |                  1 | 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      |
| Autodesk, Inc.                                | Autodesk, Inc.                                          | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |       121 | NS      | $28967.40     | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Ventas, Inc.                                  | Ventas, Inc.                                            | CUSIP: 92276F100<br>LEI: ORQTRC074CWLT3DKHT41 | Long             | EC               | CORP              | US        |       730 | NS      | $59699.40     | 2.70%             |  |  |  | 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        |     21606 | NS      | $21605.86     | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix, Inc.                                 | Netflix, Inc.                                           | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |       307 | NS      | $29518.05     | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Haleon plc                                    | Haleon plc                                              | CUSIP: N/A<br>LEI: 549300PSB3WWEODCUP19       | Long             | EC               | CORP              | GB        |     11819 | NS      | $58492.17     | 2.65%             |  |  |  | No            |                  2 | On Loan: No      |
| Bentley Systems, Inc.                         | Bentley Systems, Inc., Class B                          | CUSIP: 08265T208<br>LEI: 549300WVEHPGE0Z56F71 | Long             | EC               | CORP              | US        |      1121 | NS      | $39369.52     | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Colgate-Palmolive Co.                         | Colgate-Palmolive Co.                                   | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |       587 | NS      | $50030.01     | 2.26%             |  |  |  | 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        |      3172 | NS      | $68513.83     | 3.10%             |  |  |  | No            |                  2 | On Loan: No      |
| HDFC Bank Ltd.                                | HDFC Bank Ltd.                                          | CUSIP: 40415F101<br>LEI: 335800ZQ6I4E2JXENC50 | Long             | EC               | CORP              | IN        |      1659 | NS      | $41275.92     | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies, Inc.                    | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |       499 | NS      | $56876.02     | 2.57%             |  |  |  | No            |                  1 | On Loan: No      |
| AIA Group Ltd.                                | AIA Group Ltd.                                          | CUSIP: N/A<br>LEI: ZP5ILWVSYE4LJGMMVD57       | Long             | EC               | CORP              | HK        |      5300 | NS      | $58890.04     | 2.67%             |  |  |  | No            |                  2 | On Loan: No      |
| MercadoLibre, Inc.                            | MercadoLibre, Inc.                                      | CUSIP: 58733R102<br>LEI: 549300DKPDN9M5S8GB14 | Long             | EC               | CORP              | US        |        34 | NS      | $58786.68     | 2.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical, Inc.                      | Intuitive Surgical, Inc.                                | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |       102 | NS      | $47020.98     | 2.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Alcon AG                                      | Alcon AG                                                | CUSIP: N/A<br>LEI: 549300LDT5AP8S0NBM78       | Long             | EC               | CORP              | CH        |       584 | NS      | $44144.70     | 2.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Tyler Technologies, Inc.                      | Tyler Technologies, Inc.                                | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |       144 | NS      | $49302.72     | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences, Inc.                         | Gilead Sciences, Inc.                                   | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |       360 | NS      | $50173.20     | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Voya Financial, Inc.                          | Voya Financial, Inc.                                    | CUSIP: 929089100<br>LEI: 549300T065Z4KJ686G75 | Long             | EC               | CORP              | US        |       937 | NS      | $64015.84     | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| On Holding AG                                 | On Holding AG, Class A                                  | CUSIP: N/A<br>LEI: 506700FB3467B9W95526       | Long             | EC               | CORP              | CH        |      1344 | NS      | $45722.88     | 2.07%             |  |  |  | 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      |
| EURO                                          | EURO                                                    | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | XX        |         0 | OU      | $0.25         | 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      |
| American Tower Corp.                          | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |       241 | NS      | $41591.78     | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |      1178 | NS      | $107221.56    | 4.85%             |  |  |  | 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