# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-010465
**Filing Date:** 2026-5
**Character Count:** 18890
**Document Hash:** b50d73f2182a2235c01fbb0370c14f4a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-010465.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0002071691-26-010465

**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:** 261003688

**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 Large Cap Fund (Series ID: S000055844)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000175860 | Institutional Class | PXLIX           |
| C000175861 | Investor Class      | PAXLX           |

## 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 Large Cap Fund

- **b. EDGAR series identifier (if any):** S000055844

- **c. LEI of Series:** 549300NZ5W3SP8MQMW39

**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:** $568302856.74

**Total Liabilities:** $613709.71

**Net Assets:** $567689147.03

**Cash Not Reported:** $153872.88

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000175860 | -0.54%               | -2.18%               | -5.56%               |
| Class ID C000175861 | -0.64%               | -2.19%               | -5.60%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $9418543.97              | $-15319408.50                              |
| Month 2  | $91394258.40             | $-110250414.39                             |
| Month 3  | $8402160.09              | $-42207635.90                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Oracle Corp.                                  | Oracle Corp.                                            | CUSIP: 68389X105<br>LEI: 1Z4GXXU7ZHVWFCD8TV52 | Long             | EC               | CORP              | US        |     93644 | NS      | $13775968.84  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet, Inc.                                | Alphabet, Inc., Class A                                 | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     98275 | NS      | $28259959.00  | 4.98%             |  |  |  | No            |                  1 | On Loan: No      |
| CME Group, Inc.                               | CME Group, Inc.                                         | CUSIP: 12572Q105<br>LEI: LCZ7XYGSLJUHFXXNXD88 | Long             | EC               | CORP              | US        |     37469 | NS      | $11066469.15  | 1.95%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    314832 | NS      | $54906700.80  | 9.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com, Inc.                              | Amazon.com, Inc.                                        | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    156151 | NS      | $32521568.77  | 5.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                                   | Xylem, Inc.                                             | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |     70211 | NS      | $8390214.50   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co.                               | Eli Lilly & Co.                                         | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |      5947 | NS      | $5469872.19   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp.                                 | Danaher Corp.                                           | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     77458 | NS      | $14686036.80  | 2.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp.                       | Boston Scientific Corp.                                 | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    119247 | NS      | $7482749.25   | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| GE Vernova, Inc.                              | GE Vernova, Inc.                                        | CUSIP: 36828A101<br>LEI: 254900DP080RU6OK2553 | Long             | EC               | CORP              | US        |      9374 | NS      | $8182564.60   | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple, Inc.                                   | Apple, Inc.                                             | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |     82788 | NS      | $21010766.52  | 3.70%             |  |  |  | No            |                  1 | On Loan: No      |
| DoorDash, Inc.                                | DoorDash, Inc., Class A                                 | CUSIP: 25809K105<br>LEI: 549300NUQ43FGGSK5051 | Long             | EC               | CORP              | US        |     55977 | NS      | $8404946.55   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Uber Technologies, Inc.                       | Uber Technologies, Inc.                                 | CUSIP: 90353T100<br>LEI: 549300B2FTG34FILDR98 | Long             | EC               | CORP              | US        |    232087 | NS      | $16694017.91  | 2.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard, Inc.                              | Mastercard, Inc., Class A                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |     44164 | NS      | $22066984.24  | 3.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology, Inc.                      | Marvell Technology, Inc.                                | CUSIP: 573874104<br>LEI: 254900WVU0BM7ZCJ9E93 | Long             | EC               | CORP              | US        |     69428 | NS      | $6876843.40   | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp. (The)                       | Progressive Corp. (The)                                 | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     43769 | NS      | $8676766.56   | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| McCormick & Co., Inc.                         | McCormick & Co., Inc.                                   | CUSIP: 579780206<br>LEI: 549300JQQA6MQ4OJP259 | Long             | EC               | CORP              | US        |    140394 | NS      | $7081473.36   | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Trane Technologies plc                        | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     23896 | NS      | $9958419.04   | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co., Inc.                | American Water Works Co., Inc.                          | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |     90234 | NS      | $12279945.06  | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc.             | Pinnacle Financial Partners, Inc.                       | CUSIP: 72348N109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    145541 | NS      | $12536901.74  | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Revvity, Inc.                                 | Revvity, Inc.                                           | CUSIP: 714046109<br>LEI: 549300IKL1SDPFI7N655 | Long             | EC               | CORP              | US        |     62822 | NS      | $5503835.42   | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Ventas, Inc.                                  | Ventas, Inc.                                            | CUSIP: 92276F100<br>LEI: ORQTRC074CWLT3DKHT41 | Long             | EC               | CORP              | US        |    111159 | NS      | $9090583.02   | 1.60%             |  |  |  | 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        |   9879055 | NS      | $9879054.73   | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadcom, Inc.                                | Broadcom, Inc.                                          | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |     55104 | NS      | $17055239.04  | 3.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Ulta Beauty, Inc.                             | Ulta Beauty, Inc.                                       | CUSIP: 90384S303<br>LEI: 529900CIV6HN8M28YM82 | Long             | EC               | CORP              | US        |     14298 | NS      | $7473707.58   | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix, Inc.                                 | Netflix, Inc.                                           | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |    102065 | NS      | $9813549.75   | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| QXO, Inc.                                     | QXO, Inc.                                               | CUSIP: 82846H405<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    265450 | NS      | $5155039.00   | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Colgate-Palmolive Co.                         | Colgate-Palmolive Co.                                   | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |    139708 | NS      | $11907312.84  | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow, Inc.                              | ServiceNow, Inc.                                        | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |     86679 | NS      | $9062289.45   | 1.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies, Inc.                    | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |    120362 | NS      | $13718860.76  | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                                 | Hubbell, Inc., Class B                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |     24878 | NS      | $12208629.72  | 2.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                               | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    111026 | NS      | $41098494.42  | 7.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Connections, Inc.                       | Waste Connections, Inc.                                 | CUSIP: 94106B101<br>LEI: 549300HDLRTPBQU69P29 | Long             | EC               | CORP              | CA        |     55139 | NS      | $8956779.16   | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.                           | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     39357 | NS      | $9548795.34   | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals, Inc.                          | United Rentals, Inc.                                    | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |     13028 | NS      | $9491679.68   | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Tyler Technologies, Inc.                      | Tyler Technologies, Inc.                                | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |     39752 | NS      | $13610289.76  | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences, Inc.                         | Gilead Sciences, Inc.                                   | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |     59984 | NS      | $8359970.08   | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                                     | Aptiv plc                                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    118683 | NS      | $8241347.52   | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.                          | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |     45580 | NS      | $7866196.40   | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Citizens Financial Group, Inc.                | Citizens Financial Group, Inc.                          | CUSIP: 174610105<br>LEI: 2138004JDDA4ZQUPFW65 | Long             | EC               | CORP              | US        |    174613 | NS      | $10471541.61  | 1.84%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    179658 | NS      | $16352471.16  | 2.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                     | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |     25656 | NS      | $12719218.56  | 2.24%             |  |  |  | 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