# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-002975
**Filing Date:** 2026-2
**Character Count:** 19203
**Document Hash:** aac183f5e54da7d5ac8dab3b739c1f8b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-002975.hdr.sgml**: 20260223

**ACCESSION NUMBER**: 0002071691-26-002975

**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:** 26664593

**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:** 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:** $935242714.09

**Total Liabilities:** $781782.89

**Net Assets:** $934460931.20

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000175860 | 1.53%                | -1.98%               | -0.53%               |
| Class ID C000175861 | 1.53%                | -2.06%               | -0.46%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $4606166.85              | $10031671.21                               |
| Month 2  | $11743345.29             | $-31325822.97                              |
| Month 3  | $4611215.81              | $-9510813.99                               |

### 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        |    175131 | NS      | $23830075.17  | 2.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet, Inc.                                | Alphabet, Inc., Class A                                 | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |    142993 | NS      | $44756809.00  | 4.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com, Inc.                              | Amazon.com, Inc.                                        | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    227204 | NS      | $52443227.28  | 5.61%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.                          | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |     91615 | NS      | $16084845.55  | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co., Inc.                | American Water Works Co., Inc.                          | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |    131293 | NS      | $17133736.50  | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple, Inc.                                   | Apple, Inc.                                             | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |    120459 | NS      | $32747983.74  | 3.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp.                       | Boston Scientific Corp.                                 | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    173508 | NS      | $16543987.80  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| CME Group, Inc.                               | CME Group, Inc.                                         | CUSIP: 12572Q105<br>LEI: LCZ7XYGSLJUHFXXNXD88 | Long             | EC               | CORP              | US        |     54518 | NS      | $14887775.44  | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Citizens Financial Group, Inc.                | Citizens Financial Group, Inc.                          | CUSIP: 174610105<br>LEI: 2138004JDDA4ZQUPFW65 | Long             | EC               | CORP              | US        |    325341 | NS      | $19003167.81  | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Colgate-Palmolive Co.                         | Colgate-Palmolive Co.                                   | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |    260928 | NS      | $20618530.56  | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp.                                 | Danaher Corp.                                           | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |    134174 | NS      | $30715112.08  | 3.29%             |  |  |  | No            |                  1 | On Loan: No      |
| DoorDash, Inc.                                | DoorDash, Inc., Class A                                 | CUSIP: 25809K105<br>LEI: 549300NUQ43FGGSK5051 | Long             | EC               | CORP              | US        |     57103 | NS      | $12932687.44  | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                                    | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    261408 | NS      | $22768636.80  | 2.44%             |  |  |  | No            |                  1 | On Loan: No      |
| GE Vernova, Inc.                              | GE Vernova, Inc.                                        | CUSIP: 36828A101<br>LEI: 254900DP080RU6OK2553 | Long             | EC               | CORP              | US        |     13639 | NS      | $8914041.23   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences, Inc.                         | Gilead Sciences, Inc.                                   | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |    126553 | NS      | $15533115.22  | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| WW Grainger, Inc.                             | WW Grainger, Inc.                                       | CUSIP: 384802104<br>LEI: 549300TWZSP6O1IH2V34 | Long             | EC               | CORP              | US        |     15036 | NS      | $15172075.80  | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                                 | Hubbell, Inc., Class B                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |     36197 | NS      | $16075449.67  | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co.                          | JPMorgan Chase & Co.                                    | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |     81269 | NS      | $26186497.18  | 2.80%             |  |  |  | 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        |   6608873 | NS      | $6608872.67   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co.                               | Eli Lilly & Co.                                         | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |      8652 | NS      | $9298131.36   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology, Inc.                      | Marvell Technology, Inc.                                | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    160972 | NS      | $13679400.56  | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard, Inc.                              | Mastercard, Inc., Class A                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |     64259 | NS      | $36684177.92  | 3.93%             |  |  |  | No            |                  1 | On Loan: No      |
| McCormick & Co., Inc.                         | McCormick & Co., Inc.                                   | CUSIP: 579780206<br>LEI: 549300JQQA6MQ4OJP259 | Long             | EC               | CORP              | US        |    204277 | NS      | $13913306.47  | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                               | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    177170 | NS      | $85682955.40  | 9.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix, Inc.                                 | Netflix, Inc.                                           | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |    148508 | NS      | $13924110.08  | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                  | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    551622 | NS      | $102877503.00 | 11.01%            |  |  |  | No            |                  1 | On Loan: No      |
| Oracle Corp.                                  | Oracle Corp.                                            | CUSIP: 68389X105<br>LEI: 1Z4GXXU7ZHVWFCD8TV52 | Long             | EC               | CORP              | US        |     89451 | NS      | $17434894.41  | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Palo Alto Networks, Inc.                      | Palo Alto Networks, Inc.                                | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |     47872 | NS      | $8818022.40   | 0.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Revvity, Inc.                                 | Revvity, Inc.                                           | CUSIP: 714046109<br>LEI: 549300IKL1SDPFI7N655 | Long             | EC               | CORP              | US        |     91408 | NS      | $8843724.00   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc.             | Pinnacle Financial Partners, Inc.                       | CUSIP: 72346Q104<br>LEI: 54930098EZ8JMSAZGS24 | Long             | EC               | CORP              | US        |    151090 | NS      | $14415496.90  | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp. (The)                       | Progressive Corp. (The)                                 | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     63685 | NS      | $14502348.20  | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow, Inc.                              | ServiceNow, Inc.                                        | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |    126120 | NS      | $19320322.80  | 2.07%             |  |  |  | No            |                  1 | On Loan: No      |
| QXO, Inc.                                     | QXO, Inc.                                               | CUSIP: 82846H405<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    561186 | NS      | $10825277.94  | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Tyler Technologies, Inc.                      | Tyler Technologies, Inc.                                | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |     39919 | NS      | $18121230.05  | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Uber Technologies, Inc.                       | Uber Technologies, Inc.                                 | CUSIP: 90353T100<br>LEI: 549300B2FTG34FILDR98 | Long             | EC               | CORP              | US        |    265223 | NS      | $21671371.33  | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Ulta Beauty, Inc.                             | Ulta Beauty, Inc.                                       | CUSIP: 90384S303<br>LEI: 529900CIV6HN8M28YM82 | Long             | EC               | CORP              | US        |     27279 | NS      | $16504067.79  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.                           | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     57265 | NS      | $13246539.80  | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals, Inc.                          | United Rentals, Inc.                                    | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |     13736 | NS      | $11116819.52  | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Ventas, Inc.                                  | Ventas, Inc.                                            | CUSIP: 92276F100<br>LEI: ORQTRC074CWLT3DKHT41 | Long             | EC               | CORP              | US        |    161739 | NS      | $12515363.82  | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                                   | Xylem, Inc.                                             | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |    102159 | NS      | $13912012.62  | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                                     | Aptiv plc                                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    172687 | NS      | $13139753.83  | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                                     | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |     37330 | NS      | $15917138.70  | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Trane Technologies plc                        | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     43490 | NS      | $16926308.00  | 1.81%             |  |  |  | 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