# EDGAR Filing Document

**Accession Number:** 0001515671
**File Stem:** 0000940400-26-026158
**Filing Date:** 2026-6
**Character Count:** 22475
**Document Hash:** fefce58d6e410951a4d290b6b6c882c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-026158.hdr.sgml**: 20260626

**ACCESSION NUMBER**: 0000940400-26-026158

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260430

**FILED AS OF DATE**: 20260626

**DATE AS OF CHANGE**: 20260626

**PERIOD START**: 20261031

**FILER**: 

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

**ORGANIZATION NAME:**
- **EIN:** 452261437
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-22533
- **FILM NUMBER:** 261128536

**BUSINESS ADDRESS:**
- **STREET 1:** 101 MUNSON STREET
- **CITY:** GREENFIELD
- **STATE:** MA
- **ZIP:** 01301
- **BUSINESS PHONE:** (800) 338-8214

**MAIL ADDRESS:**
- **STREET 1:** 101 MUNSON STREET
- **CITY:** GREENFIELD
- **STATE:** MA
- **ZIP:** 01301

**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:** 60606-7453

  - **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:** 2026-10-31

- **b. Date as of which information is reported:** 2026-04-30

**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:** $776311408.69

**Total Liabilities:** $165576979.75

**Net Assets:** $610734428.94

**Cash Not Reported:** $8890067.49

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000000 | 12.23%               | -2.91%               | 4.11%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $2153741.23              | $64017268.10                               |
| Month 2  | $2434410.04              | $-20478310.51                              |
| Month 3  | $1694678.14              | $22476528.09                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| THE OPTIONS CLEARING CORPORATION         | NEE A 2026-06-18 CALL 105                         | CUSIP: 000000000<br>LEI: 549300CII6SLYGKNHA04 | N/A              | DE               | CORP              | US        |     -1150 | NC      | $-129950.00   | -0.02%            |  |  |  | No            |                  1 | On Loan: No      |
| NEXTERA ENERGY INC                       | NEXTERA ENERGY INC COM                            | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |    327000 | NS      | $32006760.00  | 5.24%             |  |  |  | No            |                  1 | On Loan: No      |
| VEOLIA ENVIRONNEMENT SA                  | VEOLIA ENVIRONNEMENT SA EUR5                      | CUSIP: 000000000<br>LEI: 969500LENY69X51OOT31 | Long             | EC               | CORP              | FR        |    200000 | NS      | $8436196.20   | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| SOUTHWEST GAS HOLDINGS INC               | SOUTHWEST GAS HOLDINGS INC COM                    | CUSIP: 844895102<br>LEI: 254900LKF9EV0CUKNE09 | Long             | EC               | CORP              | US        |     85000 | NS      | $7994250.00   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| AT&T INC                                 | AT&T INC COM                                      | CUSIP: 00206R102<br>LEI: 549300Z40J86GGSTL398 | Long             | EC               | CORP              | US        |    556000 | NS      | $14528280.00  | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| PLAINS ALL AMERICAN PIPELINE LP          | PLAINS ALL AMERICAN PIPELINE LP UNIT LTD PARTN    | CUSIP: 726503105<br>LEI: 5521FA2ITF25TVH63740 | Long             | EC               | CORP              | US        |    292000 | NS      | $6721840.00   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| ENEL SPA                                 | ENEL SPA EUR1                                     | CUSIP: 000000000<br>LEI: WOCMU6HCI0OJWNPRZS33 | Long             | EC               | CORP              | IT        |   1430000 | NS      | $16655642.72  | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| NATIONAL GRID PLC                        | NATIONAL GRID PLC ORD GBP0.12431289               | CUSIP: 000000000<br>LEI: 8R95QZMKZLJX5Q2XR704 | Long             | EC               | CORP              | GB        |    818250 | NS      | $14610476.85  | 2.39%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE ENERGY COMPANY                       | DTE ENERGY COMPANY COM                            | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |    112000 | NS      | $16989280.00  | 2.78%             |  |  |  | No            |                  1 | On Loan: No      |
| RWE AG                                   | RWE AG NPV                                        | CUSIP: 000000000<br>LEI: 529900GB7KCA94ACC940 | Long             | EC               | CORP              | DE        |    446000 | NS      | $32443300.84  | 5.31%             |  |  |  | No            |                  1 | On Loan: No      |
| E.ON SE                                  | E.ON SE NPV                                       | CUSIP: 000000000<br>LEI: Q9MAIUP40P25UFBFG033 | Long             | EC               | CORP              | DE        |    515000 | NS      | $11417677.98  | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| THE OPTIONS CLEARING CORPORATION         | NEE A 2026-09-18 CALL 110                         | CUSIP: 000000000<br>LEI: 549300CII6SLYGKNHA04 | N/A              | DE               | CORP              | US        |     -1170 | NC      | $-273780.00   | -0.04%            |  |  |  | No            |                  1 | On Loan: No      |
| FIRSTENERGY CORP                         | FIRSTENERGY CORP COM                              | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |    166000 | NS      | $7888320.00   | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| WILLIAMS COMPANIES INC (THE)             | WILLIAMS COMPANIES INC (THE) COM                  | CUSIP: 969457100<br>LEI: D71FAKCBLFS2O0RBPG08 | Long             | EC               | CORP              | US        |    303147 | NS      | $23133147.57  | 3.79%             |  |  |  | No            |                  1 | On Loan: No      |
| SPIRE INC (US)                           | SPIRE INC (US) COM                                | CUSIP: 84857L101<br>LEI: 549300NXSY15DRY2R511 | Long             | EC               | CORP              | US        |     88000 | NS      | $8023840.00   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| TARGA RESOURCES CORP                     | TARGA RESOURCES CORP COM                          | CUSIP: 87612G101<br>LEI: 5493003QENHHS261UR94 | Long             | EC               | CORP              | US        |     74168 | NS      | $19289613.44  | 3.16%             |  |  |  | No            |                  1 | On Loan: No      |
| DUKE ENERGY CORP                         | DUKE ENERGY CORP COM NEW                          | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |    221300 | NS      | $28669415.00  | 4.69%             |  |  |  | No            |                  1 | On Loan: No      |
| IBERDROLA SA                             | IBERDROLA SA EUR0.75                              | CUSIP: 000000000<br>LEI: 5QK37QC7NWOJ8D7WVQ45 | Long             | EC               | CORP              | ES        |   1073000 | NS      | $25123562.68  | 4.11%             |  |  |  | No            |                  1 | On Loan: No      |
| CSX CORP                                 | CSX CORP COM                                      | CUSIP: 126408103<br>LEI: 549300JVQR4N1MMP3Q88 | Long             | EC               | CORP              | US        |    247000 | NS      | $11221210.00  | 1.84%             |  |  |  | No            |                  1 | On Loan: No      |
| PPL CORP                                 | PPL CORP COM                                      | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |    489235 | NS      | $18316958.40  | 3.00%             |  |  |  | No            |                  1 | On Loan: No      |
| AMEREN CORP                              | AMEREN CORP COM                                   | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |    125660 | NS      | $14281259.00  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| NISOURCE INC                             | NISOURCE INC COM                                  | CUSIP: 65473P105<br>LEI: 549300D8GOWWH0SJB189 | Long             | EC               | CORP              | US        |    264000 | NS      | $12745920.00  | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| ALLIANT ENERGY CORP                      | ALLIANT ENERGY CORP COM                           | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |    149390 | NS      | $10969707.70  | 1.80%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS ENERGY CORP                          | CMS ENERGY CORP COM                               | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |    119500 | NS      | $9170430.00   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| EVERGY INC                               | EVERGY INC COM                                    | CUSIP: 30034W106<br>LEI: 549300PGTHDQY6PSUI61 | Long             | EC               | CORP              | US        |    163000 | NS      | $13502920.00  | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| EDISON INTERNATIONAL                     | EDISON INTERNATIONAL COM                          | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |     95600 | NS      | $6643244.00   | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| PENNON GROUP PLC                         | PENNON GROUP PLC ORD GBP0.6105                    | CUSIP: 000000000<br>LEI: 213800V1CCTS41GWH423 | Long             | EC               | CORP              | GB        |   1503000 | NS      | $11238413.84  | 1.84%             |  |  |  | No            |                  1 | On Loan: No      |
| ENTERPRISE PRODUCTS PARTNERS LP          | ENTERPRISE PRODUCTS PARTNERS LP COM               | CUSIP: 293792107<br>LEI: K4CDIF4M54DJZ6TB4Q48 | Long             | EC               | CORP              | US        |    127000 | NS      | $4914900.00   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| SSE PLC                                  | SSE PLC GBP0.50                                   | CUSIP: 000000000<br>LEI: 549300KI75VYLLMSK856 | Long             | EC               | CORP              | GB        |    489000 | NS      | $17573392.27  | 2.88%             |  |  |  | No            |                  1 | On Loan: No      |
| XCEL ENERGY INC                          | XCEL ENERGY INC COM                               | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |    300300 | NS      | $24909885.00  | 4.08%             |  |  |  | No            |                  1 | On Loan: No      |
| CANADIAN PACIFIC KANSAS CITY LTD         | CANADIAN PACIFIC KANSAS CITY LTD COM              | CUSIP: 13646K108<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |    161500 | NS      | $14046166.30  | 2.30%             |  |  |  | No            |                  1 | On Loan: No      |
| ONEOK INC                                | ONEOK INC COM                                     | CUSIP: 682680103<br>LEI: 2T3D6M0JSY48PSZI1Q41 | Long             | EC               | CORP              | US        |    115000 | NS      | $10632900.00  | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| PG&E CORP                                | PG&E CORP COM                                     | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |    549000 | NS      | $9124380.00   | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| FLUGHAFEN ZUERICH AG                     | FLUGHAFEN ZUERICH AG CHF10(REGD) POST SPLIT       | CUSIP: 000000000<br>LEI: 529900PFO97GCN5SYB55 | Long             | EC               | CORP              | CH        |     11000 | NS      | $3119728.67   | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| CENTERPOINT ENERGY INC                   | CENTERPOINT ENERGY INC COM                        | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |    438097 | NS      | $19122934.05  | 3.13%             |  |  |  | No            |                  1 | On Loan: No      |
| KEYERA CORP                              | KEYERA CORP COM NPV                               | CUSIP: 493271100<br>LEI: 254900LXI62FUHZGH122 | Long             | EC               | CORP              | CA        |    278600 | NS      | $10763741.30  | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| ENTERGY CORP                             | ENTERGY CORP COM                                  | CUSIP: 29364G103<br>LEI: 4XM3TW50JULSLG8BNC79 | Long             | EC               | CORP              | US        |    220000 | NS      | $25940200.00  | 4.25%             |  |  |  | No            |                  1 | On Loan: No      |
| SUNOCOCORP LLC                           | SUNOCOCORP LLC COM SHS LLC                        | CUSIP: 86765Q106<br>LEI: 529900W6BS3KGM2OOQ61 | Long             | EC               | CORP              | US        |     97000 | NS      | $6467960.00   | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| MPLX LP                                  | MPLX LP COM UNIT REP LTD                          | CUSIP: 55336V100<br>LEI: 5493000CZJ19CK4P3G36 | Long             | EC               | CORP              | US        |    331575 | NS      | $18657725.25  | 3.05%             |  |  |  | No            |                  1 | On Loan: No      |
| SEVERN TRENT PLC                         | SEVERN TRENT PLC ORD GBP0.9789                    | CUSIP: 000000000<br>LEI: 213800RPBXRETY4A4C59 | Long             | EC               | CORP              | GB        |    195000 | NS      | $8674168.91   | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| WEC ENERGY GROUP INC                     | WEC ENERGY GROUP INC COM                          | CUSIP: 92939U106<br>LEI: 549300IGLYTZUK3PVP70 | Long             | EC               | CORP              | US        |    123300 | NS      | $14542002.00  | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| CHENIERE ENERGY INC                      | CHENIERE ENERGY INC COM NEW                       | CUSIP: 16411R208<br>LEI: MIHC87W9WTYSYZWV1J40 | Long             | EC               | CORP              | US        |     65300 | NS      | $17954235.00  | 2.94%             |  |  |  | No            |                  1 | On Loan: No      |
| INFRASTRUTTURE WIRELESS ITALIANE SPA     | INFRASTRUTTURE WIRELESS ITALIANE SPA NPV          | CUSIP: 000000000<br>LEI: 81560066183FE361C071 | Long             | EC               | CORP              | IT        |    740000 | NS      | $6274919.73   | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| AENA SME SA                              | AENA SME SA EUR10                                 | CUSIP: 000000000<br>LEI: 959800R7QMXKF0NFMT29 | Long             | EC               | CORP              | ES        |    480000 | NS      | $13092300.48  | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| GRUPO AEROPORTUARIO DEL CENTRO SAB DE CV | GRUPO AEROPORTUARIO DEL CENTRO SAB DE CV SPON ADR | CUSIP: 400501102<br>LEI: 529900HUSBARAFSXJ605 | Long             | EC               | CORP              | MX        |     43000 | NS      | $4558430.00   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| FERROVIAL NV                             | FERROVIAL NV EUR0.01                              | CUSIP: 000000000<br>LEI: 72450022R2ZFL41Y6I04 | Long             | EC               | CORP              | NL        |    190000 | NS      | $13031740.14  | 2.13%             |  |  |  | No            |                  1 | On Loan: No      |
| SEMPRA                                   | SEMPRA COM                                        | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |    295400 | NS      | $28098448.00  | 4.60%             |  |  |  | No            |                  1 | On Loan: No      |
| DT MIDSTREAM INC                         | DT MIDSTREAM INC COMMON STOCK                     | CUSIP: 23345M107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     61000 | NS      | $9027390.00   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| UNION PACIFIC CORP                       | UNION PACIFIC CORP COM                            | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |    104000 | NS      | $28025920.00  | 4.59%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITED UTILITIES GROUP PLC               | UNITED UTILITIES GROUP PLC ORD GBP0.05            | CUSIP: 000000000<br>LEI: 2138002IEYQAOC88ZJ59 | Long             | EC               | CORP              | GB        |     63750 | NS      | $1263915.63   | 0.21%             |  |  |  | No            |                  1 | On Loan: No      |
| AMERICAN ELECTRIC POWER COMPANY INC      | AMERICAN ELECTRIC POWER COMPANY INC COM           | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |    154000 | NS      | $21114940.00  | 3.46%             |  |  |  | No            |                  1 | On Loan: No      |
| ATMOS ENERGY CORP                        | ATMOS ENERGY CORP COM                             | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |     90800 | NS      | $17250184.00  | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| GEK TERNA SA                             | GEK TERNA SA EUR0.57                              | CUSIP: 000000000<br>LEI: 2138003TO2MTRHWVP686 | Long             | EC               | CORP              | GR        |    257000 | NS      | $12324522.12  | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| ENERGY TRANSFER LP                       | ENERGY TRANSFER LP COM UT LTD PTN                 | CUSIP: 29273V100<br>LEI: MTLVN9N7JE8MIBIJ1H73 | Long             | EC               | CORP              | US        |    843185 | NS      | $17023905.15  | 2.79%             |  |  |  | No            |                  1 | On Loan: No      |
| EQUINIX INC                              | EQUINIX INC COM                                   | CUSIP: 29444U700<br>LEI: 549300EVUN2BTLJ3GT74 | Long             | EC               | CORP              | US        |      6400 | NS      | $6930112.00   | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-06-26

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

**Signature:** Amy Hackett

**Name of Signer:** Amy Hackett

**Title:** Vice President and Assistant Treasurer