# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-010459
**Filing Date:** 2026-5
**Character Count:** 20040
**Document Hash:** cab87d899fff64468859e601362dc234
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-010459.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0002071691-26-010459

**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:** 261003682

**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:** 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:** $1544188990.15

**Total Liabilities:** $1914525.57

**Net Assets:** $1542274464.58

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000128849 | 3.44%                | 3.71%                | -7.55%               |
| Class ID C000061358 | 3.48%                | 3.73%                | -7.55%               |
| Class ID C000061357 | 3.44%                | 3.70%                | -7.54%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $22927519.23             | $34796864.96                               |
| Month 2  | $121843491.53            | $-58844433.92                              |
| Month 3  | $12069015.63             | $-140533325.97                             |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Amphenol Corp.                                | Amphenol Corp., Class A                                 | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    112029 | NS      | $14154864.15  | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    449313 | NS      | $78360187.20  | 5.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                                   | Xylem, Inc.                                             | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |    306277 | NS      | $36600101.50  | 2.37%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA Corp.                                     | KLA Corp.                                               | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |     35235 | NS      | $51880366.35  | 3.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Waters Corp.                                  | Waters Corp.                                            | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |     76978 | NS      | $22924048.40  | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Sika AG                                       | Sika AG                                                 | CUSIP: N/A<br>LEI: 549300R3N69ECGYPU434       | Long             | EC               | CORP              | CH        |    122611 | NS      | $20294360.37  | 1.32%             |  |  |  | No            |                  2 | On Loan: No      |
| Veralto Corp.                                 | Veralto Corp.                                           | CUSIP: 92338C103<br>LEI: 635400FJE6GSOJUSNY27 | Long             | EC               | CORP              | US        |    327692 | NS      | $28974526.64  | 1.88%             |  |  |  | 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        |   1432000 | NS      | $82819039.61  | 5.37%             |  |  |  | No            |                  2 | On Loan: No      |
| Marvell Technology, Inc.                      | Marvell Technology, Inc.                                | CUSIP: 573874104<br>LEI: 254900WVU0BM7ZCJ9E93 | Long             | EC               | CORP              | US        |    342496 | NS      | $33924228.80  | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Schneider Electric SE                         | Schneider Electric SE                                   | CUSIP: N/A<br>LEI: 969500A1YF1XUYYXS284       | Long             | EC               | CORP              | FR        |    178770 | NS      | $48693659.35  | 3.16%             |  |  |  | No            |                  2 | On Loan: No      |
| Trane Technologies plc                        | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     37136 | NS      | $15476056.64  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Air Liquide SA                                | Air Liquide SA                                          | CUSIP: N/A<br>LEI: 969500MMPQVHK671GT54       | Long             | EC               | CORP              | FR        |    307176 | NS      | $63492819.90  | 4.12%             |  |  |  | No            |                  2 | On Loan: No      |
| GEA Group AG                                  | GEA Group AG                                            | CUSIP: N/A<br>LEI: 549300PHUU0ZZWO8EO07       | Long             | EC               | CORP              | DE        |    323278 | NS      | $23184758.91  | 1.50%             |  |  |  | No            |                  2 | On Loan: No      |
| Autodesk, Inc.                                | Autodesk, Inc.                                          | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |     61206 | NS      | $14652716.40  | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| TE Connectivity plc                           | TE Connectivity plc                                     | CUSIP: N/A<br>LEI: 6367003TB6K484NFHE54       | Long             | EC               | CORP              | IE        |    112217 | NS      | $23455597.34  | 1.52%             |  |  |  | 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        |  10712090 | NS      | $10712090.14  | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| AAON, Inc.                                    | AAON, Inc.                                              | CUSIP: 000360206<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    172143 | NS      | $14244833.25  | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Hoya Corp.                                    | Hoya Corp.                                              | CUSIP: N/A<br>LEI: 353800X4VR3BHEUCJB42       | Long             | EC               | CORP              | JP        |    118900 | NS      | $20612555.57  | 1.34%             |  |  |  | No            |                  2 | On Loan: No      |
| Pound Sterling                                | Pound Sterling                                          | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | GB        |        -0 | OU      | $-0.46        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Sunbelt Rentals Holdings, Inc.                | Sunbelt Rentals Holdings, Inc.                          | CUSIP: 866966104<br>LEI: 529900W4BQDNMAOSRA49 | Long             | EC               | CORP              | US        |    477817 | NS      | $30480594.37  | 1.98%             |  |  |  | No            |                  2 | On Loan: No      |
| ASML Holding NV                               | ASML Holding NV                                         | CUSIP: N/A<br>LEI: 724500Y6DUVHQD6OXN27       | Long             | EC               | CORP              | NL        |     29050 | NS      | $38629430.66  | 2.50%             |  |  |  | No            |                  2 | On Loan: No      |
| MediaTek, Inc.                                | MediaTek, Inc.                                          | CUSIP: N/A<br>LEI: 254900UEGBK1I4DM4E14       | Long             | EC               | CORP              | TW        |    434000 | NS      | $20816885.51  | 1.35%             |  |  |  | No            |                  2 | On Loan: No      |
| QXO, Inc.                                     | QXO, Inc.                                               | CUSIP: 82846H405<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    951764 | NS      | $18483256.88  | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| RenaissanceRe Holdings Ltd.                   | RenaissanceRe Holdings Ltd.                             | CUSIP: N/A<br>LEI: EK6GB9U3U58PDI411C94       | Long             | EC               | CORP              | BM        |    113852 | NS      | $33840229.96  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Itron, Inc.                                   | Itron, Inc.                                             | CUSIP: 465741106<br>LEI: 24F6LSZD18II6ICG6S41 | Long             | EC               | CORP              | US        |    343301 | NS      | $30770068.63  | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA                       | Veolia Environnement SA                                 | CUSIP: N/A<br>LEI: 969500LENY69X51OOT31       | Long             | EC               | CORP              | FR        |   1391293 | NS      | $52988799.25  | 3.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Infineon Technologies AG                      | Infineon Technologies AG                                | CUSIP: N/A<br>LEI: TSI2PJM6EPETEQ4X1U25       | Long             | EC               | CORP              | DE        |    883497 | NS      | $40080844.89  | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies, Inc.                    | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |    411536 | NS      | $46906873.28  | 3.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                                 | Hubbell, Inc., Class B                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |     95359 | NS      | $46796475.66  | 3.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                               | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    151555 | NS      | $56101114.35  | 3.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Kerry Group plc                               | Kerry Group plc, Class A                                | CUSIP: N/A<br>LEI: 635400TLVVBNXLFHWC59       | Long             | EC               | CORP              | IE        |    511041 | NS      | $40688965.44  | 2.64%             |  |  |  | No            |                  2 | On Loan: No      |
| Waste Connections, Inc.                       | Waste Connections, Inc.                                 | CUSIP: 94106B101<br>LEI: 549300HDLRTPBQU69P29 | Long             | EC               | CORP              | CA        |    413498 | NS      | $67168615.12  | 4.36%             |  |  |  | No            |                  1 | On Loan: No      |
| New Taiwan Dollar                             | New Taiwan Dollar                                       | CUSIP: N/A<br>LEI: N/A                        | Short            | STIV             |  | TW        |        -2 | OU      | $-0.05        | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.                           | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |    268946 | NS      | $65251678.52  | 4.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys, Inc.                                | Synopsys, Inc.                                          | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     79665 | NS      | $31585579.20  | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Keyence Corp.                                 | Keyence Corp.                                           | CUSIP: N/A<br>LEI: 529900M7PQBS7A89DZ11       | Long             | EC               | CORP              | JP        |     65700 | NS      | $23383113.90  | 1.52%             |  |  |  | No            |                  2 | On Loan: No      |
| Siemens Energy AG                             | Siemens Energy AG                                       | CUSIP: N/A<br>LEI: 5299005CHJZ14D4FDJ62       | Long             | EC               | CORP              | DE        |    190256 | NS      | $32809566.06  | 2.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                                     | Aptiv plc                                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    655868 | NS      | $45543473.92  | 2.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Spirax Group plc                              | Spirax Group plc                                        | CUSIP: N/A<br>LEI: 213800WFVZQMHOZP2W17       | Long             | EC               | CORP              | GB        |    332070 | NS      | $29791285.50  | 1.93%             |  |  |  | No            |                  2 | On Loan: No      |
| EURO                                          | EURO                                                    | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             |  | XX        |       113 | OU      | $130.68       | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson Enterprises, Inc.                    | Ferguson Enterprises, Inc.                              | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |     88381 | NS      | $20579342.01  | 1.33%             |  |  |  | No            |                  2 | On Loan: No      |
| Zoetis, Inc.                                  | Zoetis, Inc., Class A                                   | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |    220578 | NS      | $26074525.38  | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    392506 | NS      | $35725896.12  | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| A O Smith Corp.                               | A O Smith Corp.                                         | CUSIP: 831865209<br>LEI: 549300XG4US7UJNECY36 | Long             | EC               | CORP              | US        |    396754 | NS      | $26161958.76  | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                     | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |    155385 | NS      | $77033667.60  | 4.99%             |  |  |  | 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