# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0002071691-26-010462
**Filing Date:** 2026-5
**Character Count:** 25638
**Document Hash:** 1d057609449ea60cdb40a661c7abccaa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002071691-26-010462.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0002071691-26-010462

**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:** 261003685

**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 Small Cap Fund (Series ID: S000021459)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000061360 | Investor Class      | PXSCX           |
| C000061361 | Institutional Class | PXSIX           |
| C000128850 | Class A             | PXSAX           |

## 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 Small Cap Fund

- **b. EDGAR series identifier (if any):** S000021459

- **c. LEI of Series:** 549300GOOKRMB3XGNR17

**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:** $741779908.69

**Total Liabilities:** $679581.72

**Net Assets:** $741100326.97

**Cash Not Reported:** $2754287.96

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000128850 | 2.64%                | 1.56%                | -5.97%               |
| Class ID C000061360 | 2.63%                | 1.60%                | -6.00%               |
| Class ID C000061361 | 2.68%                | 1.56%                | -5.95%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $6666049.69              | $13678402.51                               |
| Month 2  | $10483959.76             | $1800215.19                                |
| Month 3  | $4045672.67              | $-51059190.65                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Agree Realty Corp.                            | Agree Realty Corp.                                      | CUSIP: 008492100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    260000 | NS      | $19598800.00  | 2.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Autoliv, Inc.                                 | Autoliv, Inc.                                           | CUSIP: 052800109<br>LEI: A23RUXWKASG834LTMK28 | Long             | EC               | CORP              | US        |     60000 | NS      | $6309600.00   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Ligand Pharmaceuticals, Inc.                  | Ligand Pharmaceuticals, Inc.                            | CUSIP: 53220K504<br>LEI: 5493008K7TB0IKP37H79 | Long             | EC               | CORP              | US        |    152444 | NS      | $30435444.60  | 4.11%             |  |  |  | No            |                  1 | On Loan: No      |
| TechTarget, Inc.                              | TechTarget, Inc.                                        | CUSIP: 87874R308<br>LEI: 529900YQA5JL2H2VMB84 | Long             | EC               | CORP              | US        |   1238887 | NS      | $4806881.56   | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| BJ's Wholesale Club Holdings, Inc.            | BJ's Wholesale Club Holdings, Inc.                      | CUSIP: 05550J101<br>LEI: 549300UCIWH1C93V0J03 | Long             | EC               | CORP              | US        |    164955 | NS      | $16234871.10  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Neurocrine Biosciences, Inc.                  | Neurocrine Biosciences, Inc.                            | CUSIP: 64125C109<br>LEI: 549300FECER0XBN49756 | Long             | EC               | CORP              | US        |     75000 | NS      | $9880500.00   | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| OmniAb, Inc.                                  | OmniAb, Inc.                                            | CUSIP: 68218J301<br>LEI: N/A                  | Long             |  | CORP              | US        |     88856 | NS      | $0.09         | 0.00%             |  |  |  | No            |                  3 | On Loan: No      |
| Freshpet, Inc.                                | Freshpet, Inc.                                          | CUSIP: 358039105<br>LEI: 549300S4ZK8ZQ6HNPN59 | Long             | EC               | CORP              | US        |    140000 | NS      | $8254400.00   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Merit Medical Systems, Inc.                   | Merit Medical Systems, Inc.                             | CUSIP: 589889104<br>LEI: 549300OYTY138SP2CE83 | Long             | EC               | CORP              | US        |    100000 | NS      | $6893000.00   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Bio-Techne Corp.                              | Bio-Techne Corp.                                        | CUSIP: 09073M104<br>LEI: 54930073RLKQ51TILZ35 | Long             | EC               | CORP              | US        |    195000 | NS      | $10190700.00  | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| US Foods Holding Corp.                        | US Foods Holding Corp.                                  | CUSIP: 912008109<br>LEI: 549300UGOZSO64CFPR97 | Long             | EC               | CORP              | US        |    180000 | NS      | $16597800.00  | 2.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Dutch Bros, Inc.                              | Dutch Bros, Inc., Class A                               | CUSIP: 26701L100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    135000 | NS      | $6839100.00   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Roivant Sciences Ltd.                         | Roivant Sciences Ltd.                                   | CUSIP: N/A<br>LEI: 549300DL466NY5J6U724       | Long             | EC               | CORP              | BM        |    300000 | NS      | $8310000.00   | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Cytokinetics, Inc.                            | Cytokinetics, Inc.                                      | CUSIP: 23282W605<br>LEI: 549300BE5DY1HW7IHA64 | Long             | EC               | CORP              | US        |    125000 | NS      | $8238750.00   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| SI-BONE, Inc.                                 | SI-BONE, Inc.                                           | CUSIP: 825704109<br>LEI: 549300J8JGYVJJHV9C31 | Long             | EC               | CORP              | US        |   1425010 | NS      | $17997876.30  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Casella Waste Systems, Inc.                   | Casella Waste Systems, Inc., Class A                    | CUSIP: 147448104<br>LEI: 8EU0XUFVJ48U37IIDH51 | Long             | EC               | CORP              | US        |     80000 | NS      | $6347200.00   | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Vital Farms, Inc.                             | Vital Farms, Inc.                                       | CUSIP: 92847W103<br>LEI: 549300S6NYY7ER3XOT61 | Long             | EC               | CORP              | US        |    238915 | NS      | $3373479.80   | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Mitek Systems, Inc.                           | Mitek Systems, Inc.                                     | CUSIP: 606710200<br>LEI: 549300ABZAQ3R25XG118 | Long             | EC               | CORP              | US        |   1433524 | NS      | $19352574.00  | 2.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners, Inc.             | Pinnacle Financial Partners, Inc.                       | CUSIP: 72348N109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    215000 | NS      | $18520100.00  | 2.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Eastern Bankshares, Inc.                      | Eastern Bankshares, Inc.                                | CUSIP: 27627N105<br>LEI: 549300J245MBQU3DO403 | Long             | EC               | CORP              | US        |   1275000 | NS      | $24939000.00  | 3.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Victory Capital Holdings, Inc.                | Victory Capital Holdings, Inc., Class A                 | CUSIP: 92645B103<br>LEI: 549300BN5LH2CIPPHS71 | Long             | EC               | CORP              | US        |    650000 | NS      | $42562000.00  | 5.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Workiva, Inc.                                 | Workiva, Inc., Class A                                  | CUSIP: 98139A105<br>LEI: 529900RTOQ8GRWHY1O58 | Long             | EC               | CORP              | US        |    162086 | NS      | $9665188.18   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Lyft, Inc.                                    | Lyft, Inc., Class A                                     | CUSIP: 55087P104<br>LEI: 549300H7I5VN334XVZ52 | Long             | EC               | CORP              | US        |   1000000 | NS      | $13300000.00  | 1.79%             |  |  |  | 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        |  33197788 | NS      | $33197787.83  | 4.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Drainage Systems, Inc.               | Advanced Drainage Systems, Inc.                         | CUSIP: 00790R104<br>LEI: 6QQTOZ5MF5DHM7K92I60 | Long             | EC               | CORP              | US        |     56489 | NS      | $7746336.57   | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Warby Parker, Inc.                            | Warby Parker, Inc., Class A                             | CUSIP: 93403J106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    275000 | NS      | $5794250.00   | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Element Solutions, Inc.                       | Element Solutions, Inc.                                 | CUSIP: 28618M106<br>LEI: 549300FLGN6P5CU20J91 | Long             | EC               | CORP              | US        |    366946 | NS      | $12527536.44  | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Pacira BioSciences, Inc.                      | Pacira BioSciences, Inc.                                | CUSIP: 695127100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    750027 | NS      | $16950610.20  | 2.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Columbia Sportswear Co.                       | Columbia Sportswear Co.                                 | CUSIP: 198516106<br>LEI: 549300OTMCIEUXAH5Z60 | Long             | EC               | CORP              | US        |     90515 | NS      | $4961127.15   | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| UFP Technologies, Inc.                        | UFP Technologies, Inc.                                  | CUSIP: 902673102<br>LEI: 549300RJ8LY41HS70C91 | Long             | EC               | CORP              | US        |     55500 | NS      | $10744800.00  | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Teradata Corp.                                | Teradata Corp.                                          | CUSIP: 88076W103<br>LEI: 549300JU9SOUHV4U4R71 | Long             | EC               | CORP              | US        |    547029 | NS      | $14020353.27  | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Generac Holdings, Inc.                        | Generac Holdings, Inc.                                  | CUSIP: 368736104<br>LEI: 529900S2H2AHJHSFFI84 | Long             | EC               | CORP              | US        |     45000 | NS      | $8789850.00   | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Acadian Asset Management, Inc.                | Acadian Asset Management, Inc.                          | CUSIP: 10948W103<br>LEI: 5493004FTLQNQTBOP608 | Long             | EC               | CORP              | US        |    823323 | NS      | $44805237.66  | 6.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Health Catalyst, Inc.                         | Health Catalyst, Inc.                                   | CUSIP: 42225T107<br>LEI: 549300223PL6GWKVJG92 | Long             | EC               | CORP              | US        |   2750000 | NS      | $3492500.00   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Extreme Networks, Inc.                        | Extreme Networks, Inc.                                  | CUSIP: 30226D106<br>LEI: 549300WRECW11X94UB57 | Long             | EC               | CORP              | US        |    965178 | NS      | $14554884.24  | 1.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Enovis Corp.                                  | Enovis Corp.                                            | CUSIP: 194014502<br>LEI: 635400OP2DYYYMOIYL17 | Long             | EC               | CORP              | US        |    424130 | NS      | $9648957.50   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Array Technologies, Inc.                      | Array Technologies, Inc.                                | CUSIP: 04271T100<br>LEI: 549300JM5FECYJQ85V37 | Long             | EC               | CORP              | US        |   1250000 | NS      | $9037500.00   | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Crinetics Pharmaceuticals, Inc.               | Crinetics Pharmaceuticals, Inc.                         | CUSIP: 22663K107<br>LEI: 549300Q1CNFXK5P31D28 | Long             | EC               | CORP              | US        |    350000 | NS      | $12712000.00  | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| GeneDx Holdings Corp.                         | GeneDx Holdings Corp., Class A                          | CUSIP: 81663L200<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     60000 | NS      | $3853200.00   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| MSA Safety, Inc.                              | MSA Safety, Inc.                                        | CUSIP: 553498106<br>LEI: 529900DVA3258XK11O39 | Long             | EC               | CORP              | US        |     35000 | NS      | $5738250.00   | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| QXO, Inc.                                     | QXO, Inc.                                               | CUSIP: 82846H405<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    675000 | NS      | $13108500.00  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Ameris Bancorp                                | Ameris Bancorp                                          | CUSIP: 03076K108<br>LEI: PBJHNT51T5V6G5UQFV42 | Long             | EC               | CORP              | US        |    100000 | NS      | $7799000.00   | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| A10 Networks, Inc.                            | A10 Networks, Inc.                                      | CUSIP: 002121101<br>LEI: 549300UQD4IWUML81Q35 | Long             | EC               | CORP              | US        |    470000 | NS      | $10866400.00  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Planet Fitness, Inc.                          | Planet Fitness, Inc., Class A                           | CUSIP: 72703H101<br>LEI: 549300LLE5HUPF6H8G33 | Long             | EC               | CORP              | US        |    194271 | NS      | $14449876.98  | 1.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Cullen/Frost Bankers, Inc.                    | Cullen/Frost Bankers, Inc.                              | CUSIP: 229899109<br>LEI: 529900V2E9G9AY665O34 | Long             | EC               | CORP              | US        |     95000 | NS      | $13022600.00  | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Wyndham Hotels & Resorts, Inc.                | Wyndham Hotels & Resorts, Inc.                          | CUSIP: 98311A105<br>LEI: 549300FE3MQ4RVXXC673 | Long             | EC               | CORP              | US        |    180000 | NS      | $14621400.00  | 1.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Trex Co., Inc.                                | Trex Co., Inc.                                          | CUSIP: 89531P105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    125000 | NS      | $4552500.00   | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Onto Innovation, Inc.                         | Onto Innovation, Inc.                                   | CUSIP: 683344105<br>LEI: 254900RXZVN73CHOO062 | Long             | EC               | CORP              | US        |     59057 | NS      | $12110818.99  | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Travere Therapeutics, Inc.                    | Travere Therapeutics, Inc.                              | CUSIP: 89422G107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    225000 | NS      | $6684750.00   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Terreno Realty Corp.                          | Terreno Realty Corp.                                    | CUSIP: 88146M101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    120000 | NS      | $7370400.00   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Gates Industrial Corp. plc                    | Gates Industrial Corp. plc                              | CUSIP: N/A<br>LEI: 549300S6K4FWUSB9KM27       | Long             | EC               | CORP              | GB        |    552713 | NS      | $12496840.93  | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Modine Manufacturing Co.                      | Modine Manufacturing Co.                                | CUSIP: 607828100<br>LEI: Z35SZFYJR8GZZRSIUU09 | Long             | EC               | CORP              | US        |     50000 | NS      | $10835500.00  | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Rivian Automotive, Inc.                       | Rivian Automotive, Inc., Class A                        | CUSIP: 76954A103<br>LEI: 25490004LNKJ84MFYY24 | Long             | EC               | CORP              | US        |    650000 | NS      | $9782500.00   | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Prestige Consumer Healthcare, Inc.            | Prestige Consumer Healthcare, Inc.                      | CUSIP: 74112D101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     65000 | NS      | $3852550.00   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| NetScout Systems, Inc.                        | NetScout Systems, Inc.                                  | CUSIP: 64115T104<br>LEI: 5493005HZXZ3SPNVCV76 | Long             | EC               | CORP              | US        |    522000 | NS      | $16594380.00  | 2.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Arcosa, Inc.                                  | Arcosa, Inc.                                            | CUSIP: 039653100<br>LEI: 549300WFHLTCZV7D6V29 | Long             | EC               | CORP              | US        |    171500 | NS      | $18203010.00  | 2.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Voya Financial, Inc.                          | Voya Financial, Inc.                                    | CUSIP: 929089100<br>LEI: 549300T065Z4KJ686G75 | Long             | EC               | CORP              | US        |    140000 | NS      | $9564800.00   | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| 8x8, Inc.                                     | 8x8, Inc.                                               | CUSIP: 282914100<br>LEI: 254900XWSOC5U1BRW939 | Long             | EC               | CORP              | US        |   2000000 | NS      | $3320000.00   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Enpro, Inc.                                   | Enpro, Inc.                                             | CUSIP: 29355X107<br>LEI: 549300Y5CFT2LKCFDN54 | Long             | EC               | CORP              | US        |     48000 | NS      | $12031200.00  | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Dycom Industries, Inc.                        | Dycom Industries, Inc.                                  | CUSIP: 267475101<br>LEI: 549300F56EKTHQI3WT60 | Long             | EC               | CORP              | US        |     30000 | NS      | $10164600.00  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| OmniAb, Inc.                                  | OmniAb, Inc., Earnout Shares                            | CUSIP: 68218J202<br>LEI: N/A                  | Long             |  | CORP              | US        |     88856 | NS      | $0.09         | 0.00%             |  |  |  | No            |                  3 | 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