# EDGAR Filing Document

**Accession Number:** 0001515671
**File Stem:** 0000940400-25-013953
**Filing Date:** 2025-12
**Character Count:** 21120
**Document Hash:** 6762eb66ae2a1d8bd5610971244765c4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-25-013953.hdr.sgml**: 20251219

**ACCESSION NUMBER**: 0000940400-25-013953

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251031

**FILED AS OF DATE**: 20251219

**DATE AS OF CHANGE**: 20251219

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Duff & Phelps Utility & Infrastructure Fund Inc.
- **CENTRAL INDEX KEY:** 0001515671

**ORGANIZATION NAME:**
- **EIN:** 452261437
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-22533
- **FILM NUMBER:** 251587234

**BUSINESS ADDRESS:**
- **STREET 1:** 10 SOUTH WACKER DRIVE
- **STREET 2:** SUITE 1900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** (866) 270-7598

**MAIL ADDRESS:**
- **STREET 1:** 10 SOUTH WACKER DRIVE
- **STREET 2:** SUITE 1900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Duff & Phelps Global Utility Income Fund Inc.
- **DATE OF NAME CHANGE:** 20110627

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Duff & Phelps Global Utility & Midstream Energy Income Fund Inc.
- **DATE OF NAME CHANGE:** 20110316

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Duff & Phelps Utility & Infrastructure Fund Inc.

- **b. Investment Company Act file number:** 811-22533

- **c. CIK number of Registrant:** 0001515671

- **d. LEI of Registrant:** 549300SY2NYDO23RIE89

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 10 South Wacker Drive

  - **City:** Chicago

  - **State:** IL

  - **Foreign country:** US

  - **Zip / Postal Code:** 60606-5802

  - **Telephone number:** 866-270-7598

**Item A.2. Information about the Series.**

- **a. Name of Series:** Duff & Phelps Utility & Infrastructure Fund Inc.

- **b. EDGAR series identifier (if any):** S000000000

- **c. LEI of Series:** 549300SY2NYDO23RIE89

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-10-31

- **b. Date as of which information is reported:** 2025-10-31

**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:** $689346814.11

**Total Liabilities:** $165812948.04

**Net Assets:** $523533866.07

**Cash Not Reported:** $9929629.53

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000000 | 1.17%                | 3.46%                | 0.69%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-358053.88              | $4977307.61                                |
| Month 2  | $-4229506.20             | $22542250.67                               |
| Month 3  | $201937.30               | $4028188.51                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Alliant Energy Corp            | Alliant Energy Corp                            | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |    180390 | NS      | $12053659.80  | 2.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Plains All American Pipeline L | Plains All American Pipeline LP                | CUSIP: 726503105<br>LEI: 5521FA2ITF25TVH63740 | Long             | EC               | CORP              | US        |    292000 | NS      | $4803400.00   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Enel SpA                       | Enel SpA                                       | CUSIP: 000000000<br>LEI: WOCMU6HCI0OJWNPRZS33 | Long             | EC               | CORP              | IT        |   1774000 | NS      | $17936995.25  | 3.43%             |  |  |  | No            |                  1 | On Loan: No      |
| National Grid PLC              | National Grid PLC                              | CUSIP: 000000000<br>LEI: 8R95QZMKZLJX5Q2XR704 | Long             | EC               | CORP              | GB        |    818250 | NS      | $12254259.28  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE Energy Co                  | DTE Energy Co                                  | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |    112000 | NS      | $15180480.00  | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| RWE AG                         | RWE AG                                         | CUSIP: 000000000<br>LEI: 529900GB7KCA94ACC940 | Long             | EC               | CORP              | DE        |    446000 | NS      | $21930733.85  | 4.19%             |  |  |  | No            |                  1 | On Loan: No      |
| E.ON SE                        | E.ON SE                                        | CUSIP: 000000000<br>LEI: Q9MAIUP40P25UFBFG033 | Long             | EC               | CORP              | DE        |    515000 | NS      | $9580942.07   | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Williams Cos Inc/The           | Williams Cos Inc/The                           | CUSIP: 969457100<br>LEI: D71FAKCBLFS2O0RBPG08 | Long             | EC               | CORP              | US        |    267147 | NS      | $15459796.89  | 2.95%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstEnergy Corp               | FirstEnergy Corp                               | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |    166000 | NS      | $7607780.00   | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Spire Inc                      | Spire Inc                                      | CUSIP: 84857L101<br>LEI: 549300NXSY15DRY2R511 | Long             | EC               | CORP              | US        |     88000 | NS      | $7603200.00   | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Targa Resources Corp           | Targa Resources Corp                           | CUSIP: 87612G101<br>LEI: 5493003QENHHS261UR94 | Long             | EC               | CORP              | US        |     57168 | NS      | $8806158.72   | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Flughafen Zurich AG            | Flughafen Zurich AG                            | CUSIP: 000000000<br>LEI: 529900PFO97GCN5SYB55 | Long             | EC               | CORP              | CH        |     17000 | NS      | $5010748.68   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp               | Duke Energy Corp                               | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |    250300 | NS      | $31112290.00  | 5.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Iberdrola SA                   | Iberdrola SA                                   | CUSIP: 000000000<br>LEI: 5QK37QC7NWOJ8D7WVQ45 | Long             | EC               | CORP              | ES        |   1073000 | NS      | $21724276.95  | 4.15%             |  |  |  | No            |                  1 | On Loan: No      |
| CSX Corp                       | CSX Corp                                       | CUSIP: 126408103<br>LEI: 549300JVQR4N1MMP3Q88 | Long             | EC               | CORP              | US        |    279000 | NS      | $10049580.00  | 1.92%             |  |  |  | No            |                  1 | On Loan: No      |
| PPL Corp                       | PPL Corp                                       | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |    530235 | NS      | $19364182.20  | 3.70%             |  |  |  | No            |                  1 | On Loan: No      |
| NiSource Inc                   | NiSource Inc                                   | CUSIP: 65473P105<br>LEI: 549300D8GOWWH0SJB189 | Long             | EC               | CORP              | US        |    264000 | NS      | $11117040.00  | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Ameren Corp                    | Ameren Corp                                    | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |    125660 | NS      | $12819833.20  | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS Energy Corp                | CMS Energy Corp                                | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |    119500 | NS      | $8789225.00   | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Northwest Natural Holding Co   | Northwest Natural Holding Co                   | CUSIP: 66765N105<br>LEI: 254900PSJL6ZEC8FR782 | Long             | EC               | CORP              | US        |    161000 | NS      | $7330330.00   | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Evergy Inc                     | Evergy Inc                                     | CUSIP: 30034W106<br>LEI: 549300PGTHDQY6PSUI61 | Long             | EC               | CORP              | US        |    260000 | NS      | $19970600.00  | 3.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Edison International           | Edison International                           | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |    123600 | NS      | $6844968.00   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Grupo Aeroportuario del Centro | Grupo Aeroportuario del Centro Norte SAB de CV | CUSIP: 400501102<br>LEI: 529900HUSBARAFSXJ605 | Long             | EC               | CORP              | MX        |     43000 | NS      | $4240660.00   | 0.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Enterprise Products Partners L | Enterprise Products Partners LP                | CUSIP: 293792107<br>LEI: K4CDIF4M54DJZ6TB4Q48 | Long             | EC               | CORP              | US        |    127000 | NS      | $3910330.00   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Pennon Group PLC               | Pennon Group PLC                               | CUSIP: 000000000<br>LEI: 213800V1CCTS41GWH423 | Long             | EC               | CORP              | GB        |   1503000 | NS      | $10237736.35  | 1.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Xcel Energy Inc                | Xcel Energy Inc                                | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |    345300 | NS      | $28028001.00  | 5.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian Pacific Kansas City L | Canadian Pacific Kansas City Ltd               | CUSIP: 13646K108<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |     86500 | NS      | $6224694.31   | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| SSE PLC                        | SSE PLC                                        | CUSIP: 000000000<br>LEI: 549300KI75VYLLMSK856 | Long             | EC               | CORP              | GB        |    489000 | NS      | $12308370.59  | 2.35%             |  |  |  | No            |                  1 | On Loan: No      |
| PG&E Corp                      | PG&E Corp                                      | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |    736000 | NS      | $11746560.00  | 2.24%             |  |  |  | No            |                  1 | On Loan: No      |
| CenterPoint Energy Inc         | CenterPoint Energy Inc                         | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |    438097 | NS      | $16752829.28  | 3.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Entergy Corp                   | Entergy Corp                                   | CUSIP: 29364G103<br>LEI: 4XM3TW50JULSLG8BNC79 | Long             | EC               | CORP              | US        |    256000 | NS      | $24599040.00  | 4.70%             |  |  |  | No            |                  1 | On Loan: No      |
| MPLX LP                        | MPLX LP                                        | CUSIP: 55336V100<br>LEI: 5493000CZJ19CK4P3G36 | Long             | EC               | CORP              | US        |    331575 | NS      | $16830747.00  | 3.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Severn Trent PLC               | Severn Trent PLC                               | CUSIP: 000000000<br>LEI: 213800RPBXRETY4A4C59 | Long             | EC               | CORP              | GB        |    195000 | NS      | $7124129.41   | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corp              | Atmos Energy Corp                              | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |     90800 | NS      | $15592176.00  | 2.98%             |  |  |  | No            |                  1 | On Loan: No      |
| WEC Energy Group Inc           | WEC Energy Group Inc                           | CUSIP: 92939U106<br>LEI: 549300IGLYTZUK3PVP70 | Long             | EC               | CORP              | US        |    123300 | NS      | $13776309.00  | 2.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Cheniere Energy Inc            | Cheniere Energy Inc                            | CUSIP: 16411R208<br>LEI: MIHC87W9WTYSYZWV1J40 | Long             | EC               | CORP              | US        |     49300 | NS      | $10451600.00  | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Sunoco LP                      | Sunoco LP                                      | CUSIP: 86765K109<br>LEI: 54930001NJU8E40NQ561 | Long             | EC               | CORP              | US        |     91000 | NS      | $4752020.00   | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Infrastrutture Wireless Italia | Infrastrutture Wireless Italiane SpA           | CUSIP: 000000000<br>LEI: 81560066183FE361C071 | Long             | EC               | CORP              | IT        |    726000 | NS      | $7970747.65   | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Aena SME SA                    | Aena SME SA                                    | CUSIP: 000000000<br>LEI: 959800R7QMXKF0NFMT29 | Long             | EC               | CORP              | ES        |    349000 | NS      | $9473572.72   | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Transurban Group               | Transurban Group                               | CUSIP: 000000000<br>LEI: 549300ZR71SUQ4VUTM79 | Long             | EC               | CORP              | AU        |    533000 | NS      | $5049782.71   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferrovial SE                   | Ferrovial SE                                   | CUSIP: 000000000<br>LEI: 72450022R2ZFL41Y6I04 | Long             | EC               | CORP              | NL        |    190000 | NS      | $11650986.20  | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Sempra                         | Sempra                                         | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |    295400 | NS      | $27159076.00  | 5.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Southern Co/The                | Southern Co/The                                | CUSIP: 842587107<br>LEI: 549300FC3G3YU2FBZD92 | Long             | EC               | CORP              | US        |    204675 | NS      | $19247637.00  | 3.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Kinder Morgan Inc              | Kinder Morgan Inc                              | CUSIP: 49456B101<br>LEI: 549300WR7IX8XE0TBO16 | Long             | EC               | CORP              | US        |    463000 | NS      | $12125970.00  | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| GEK TERNA SA                   | GEK TERNA SA                                   | CUSIP: 000000000<br>LEI: 2138003TO2MTRHWVP686 | Long             | EC               | CORP              | GR        |    257000 | NS      | $6866635.74   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Public Service Enterprise Grou | Public Service Enterprise Group Inc            | CUSIP: 744573106<br>LEI: PUSS41EMO3E6XXNV3U28 | Long             | EC               | CORP              | US        |    142000 | NS      | $11439520.00  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| DT Midstream Inc               | DT Midstream Inc                               | CUSIP: 23345M107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     61000 | NS      | $6678890.00   | 1.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian National Railway Co   | Canadian National Railway Co                   | CUSIP: 136375102<br>LEI: 3SU7BEP7TH9YEQOZCS77 | Long             | EC               | CORP              | CA        |     50000 | NS      | $4794481.48   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| American Electric Power Co Inc | American Electric Power Co Inc                 | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |    154000 | NS      | $18520040.00  | 3.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Energy Transfer LP             | Energy Transfer LP                             | CUSIP: 29273V100<br>LEI: MTLVN9N7JE8MIBIJ1H73 | Long             | EC               | CORP              | US        |    843185 | NS      | $14190803.55  | 2.71%             |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy Inc             | NextEra Energy Inc                             | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |    327000 | NS      | $26617800.00  | 5.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA        | Veolia Environnement SA                        | CUSIP: 000000000<br>LEI: 969500LENY69X51OOT31 | Long             | EC               | CORP              | FR        |    255000 | NS      | $8420972.74   | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| AT&T Inc                       | AT&T Inc                                       | CUSIP: 00206R102<br>LEI: 549300Z40J86GGSTL398 | Long             | EC               | CORP              | US        |    556000 | NS      | $13761000.00  | 2.63%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-12-19

**Name of Applicant:** Duff & Phelps Utility and Infrastructure Fund Inc.

**Signature:** Amy Hackett

**Name of Signer:** Amy Hackett

**Title:** Vice President and Assistant Treasurer