# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-25-005488
**Filing Date:** 2025-11
**Character Count:** 18713
**Document Hash:** 6df807e6362b0c519846348db715e949
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-25-005488.hdr.sgml**: 20251121

**ACCESSION NUMBER**: 0002071691-25-005488

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251121

**DATE AS OF CHANGE**: 20251121

**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:** 251507414

**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:** 2025-09-30

**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:** $981668666.50

**Total Liabilities:** $9579160.70

**Net Assets:** $972089505.80

**Cash Not Reported:** $3472389.55

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000175860 | 4.10%                | 0.50%                | 2.71%                |
| Class ID C000175861 | 4.04%                | 0.43%                | 2.72%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $20501308.07             | $21961286.80                               |
| Month 2  | $6477356.96              | $-1133880.13                               |
| Month 3  | $71244084.47             | $-45283414.56                              |

### 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        |     62037 | NS      | $17447285.88  | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet, Inc.                    | Alphabet, Inc., Class A                                 | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |    124892 | NS      | $30361245.20  | 3.12%             |  |  |  | No            |                  1 | On Loan: No      |
| CME Group, Inc.                   | CME Group, Inc.                                         | CUSIP: 12572Q105<br>LEI: LCZ7XYGSLJUHFXXNXD88 | Long             | EC               | CORP              | US        |     54518 | NS      | $14730218.42  | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                      | NVIDIA Corp.                                            | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    592935 | NS      | $110629812.30 | 11.38%            |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com, Inc.                  | Amazon.com, Inc.                                        | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    196647 | NS      | $43177781.79  | 4.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Xylem, Inc.                       | Xylem, Inc.                                             | CUSIP: 98419M100<br>LEI: 549300DF5MV96DRYLQ48 | Long             | EC               | CORP              | US        |    158961 | NS      | $23446747.50  | 2.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co.                   | Eli Lilly & Co.                                         | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |     14139 | NS      | $10788057.00  | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp.                     | Danaher Corp.                                           | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |    134174 | NS      | $26601337.24  | 2.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp.           | Boston Scientific Corp.                                 | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    173508 | NS      | $16939586.04  | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple, Inc.                       | Apple, Inc.                                             | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |    120459 | NS      | $30672475.17  | 3.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Uber Technologies, Inc.           | Uber Technologies, Inc.                                 | CUSIP: 90353T100<br>LEI: 549300B2FTG34FILDR98 | Long             | EC               | CORP              | US        |    205142 | NS      | $20097761.74  | 2.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard, Inc.                  | Mastercard, Inc., Class A                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |     55240 | NS      | $31421064.40  | 3.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology, Inc.          | Marvell Technology, Inc.                                | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    215952 | NS      | $18155084.64  | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp. (The)           | Progressive Corp. (The)                                 | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     63685 | NS      | $15727010.75  | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| McCormick & Co., Inc.             | McCormick & Co., Inc.                                   | CUSIP: 579780206<br>LEI: 549300JQQA6MQ4OJP259 | Long             | EC               | CORP              | US        |    204277 | NS      | $13668174.07  | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc. | Pinnacle Financial Partners, Inc.                       | CUSIP: 72346Q104<br>LEI: 54930098EZ8JMSAZGS24 | Long             | EC               | CORP              | US        |    151090 | NS      | $14170731.10  | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Trane Technologies plc            | Trane Technologies plc                                  | CUSIP: N/A<br>LEI: 549300BURLR9SLYY2705       | Long             | EC               | CORP              | IE        |     43490 | NS      | $18351040.40  | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co., Inc.    | American Water Works Co., Inc.                          | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |     96055 | NS      | $13369895.45  | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| WW Grainger, Inc.                 | WW Grainger, Inc.                                       | CUSIP: 384802104<br>LEI: 549300TWZSP6O1IH2V34 | Long             | EC               | CORP              | US        |     15036 | NS      | $14328706.56  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Ventas, Inc.                      | Ventas, Inc.                                            | CUSIP: 92276F100<br>LEI: ORQTRC074CWLT3DKHT41 | Long             | EC               | CORP              | US        |    161739 | NS      | $11320112.61  | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Ulta Beauty, Inc.                 | Ulta Beauty, Inc.                                       | CUSIP: 90384S303<br>LEI: 529900CIV6HN8M28YM82 | Long             | EC               | CORP              | US        |     27279 | NS      | $14914793.25  | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix, Inc.                     | Netflix, Inc.                                           | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |     19778 | NS      | $23712239.76  | 2.44%             |  |  |  | No            |                  1 | On Loan: —       |
| JPMorgan Prime Money Market Fund  | JPMorgan Prime Money Market Fund                        | CUSIP: N/A<br>LEI: N/A                        | Long             | STIV             | RF                | US        |  28449191 | NS      | $28449191.01  | 2.93%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co.              | JPMorgan Chase & Co.                                    | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |     98928 | NS      | $31204859.04  | 3.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Colgate-Palmolive Co.             | Colgate-Palmolive Co.                                   | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |    196215 | NS      | $15685427.10  | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| RenaissanceRe Holdings Ltd.       | RenaissanceRe Holdings Ltd.                             | CUSIP: N/A<br>LEI: EK6GB9U3U58PDI411C94       | Long             | EC               | CORP              | BM        |     59492 | NS      | $15106803.56  | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow, Inc.                  | ServiceNow, Inc.                                        | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |     25224 | NS      | $23213142.72  | 2.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies, Inc.        | Agilent Technologies, Inc.                              | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |    207525 | NS      | $26635833.75  | 2.74%             |  |  |  | No            |                  1 | On Loan: No      |
| INVESCO GOVT AND AGCY LEX         | INVESCO GOVERNMENT & AGENCY PORTFOLIO OPEN-END FUND USD | CUSIP: 825252885<br>LEI: O37NHJVF7S22I1ONOU83 | Long             | STIV             | RF                | US        |   8764171 | PA      | $8764170.75   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                     | Hubbell, Inc., Class B                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |     36197 | NS      | $15575931.07  | 1.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Walt Disney Co. (The)             | Walt Disney Co. (The)                                   | CUSIP: 254687106<br>LEI: 549300GZKULIZ0WOW665 | Long             | EC               | CORP              | US        |     99226 | NS      | $11361377.00  | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                   | Microsoft Corp.                                         | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    177170 | NS      | $91765201.50  | 9.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Prologis, Inc.                    | Prologis, Inc.                                          | CUSIP: 74340W103<br>LEI: 529900DFH19P073LZ636 | Long             | EC               | CORP              | US        |     22401 | NS      | $2565362.52   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp.               | Union Pacific Corp.                                     | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     57265 | NS      | $13535728.05  | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals, Inc.              | United Rentals, Inc.                                    | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |     13736 | NS      | $13113209.76  | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences, Inc.             | Gilead Sciences, Inc.                                   | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |    126553 | NS      | $14047383.00  | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys, Inc.                    | Synopsys, Inc.                                          | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     29666 | NS      | $14636907.74  | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                         | Aptiv plc                                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |    237721 | NS      | $20496304.62  | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.              | American Tower Corp.                                    | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |     91615 | NS      | $17619396.80  | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Citizens Financial Group, Inc.    | Citizens Financial Group, Inc.                          | CUSIP: 174610105<br>LEI: 2138004JDDA4ZQUPFW65 | Long             | EC               | CORP              | US        |    325341 | NS      | $17295127.56  | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Palo Alto Networks, Inc.          | Palo Alto Networks, Inc.                                | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |    103686 | NS      | $21112543.32  | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| eBay, Inc.                        | eBay, Inc.                                              | CUSIP: 278642103<br>LEI: OML71K8X303XQONU6T67 | Long             | EC               | CORP              | US        |    261408 | NS      | $23775057.60  | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde plc                         | Linde plc                                               | CUSIP: N/A<br>LEI: 5299003QR1WT0EF88V51       | Long             | EC               | CORP              | IE        |     37330 | NS      | $17731750.00  | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-30

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

**Signature:** Daniel Saltus

**Name of Signer:** Daniel Saltus

**Title:** Treasurer