# Duff & Phelps Utility & Infrastructure Fund Inc.

Duff & Phelps Utility & Infrastructure Fund Inc. (CIK 1515671) is an SEC-registered fund company with 1 reporting fund series and $1.1B in net assets as of 2026-04-30.

## Registrant

- CIK: 1515671
- File number: 811-22533
- LEI: 549300SY2NYDO23RIE89
- Address: 10 South Wacker Drive, Chicago, US-IL, 60606-7453
- Phone: 866-270-7598
- Net assets: $1.1B
- Total assets: $1.4B
- Fund series: 1
- Latest report: 2026-04-30

## Fund series (2)

| Series | Net assets |
| --- | --- |
| [Duff & Phelps Utility & Infrastructure Fund Inc.](https://search.stillhousedata.com/fund/S000000000) | $610.7M |
| Duff & Phelps Utility & Infrastructure Fund Inc. | $477.9M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| RWE AG | $32.4M |
| [NEXTERA ENERGY INC](https://search.stillhousedata.com/security/65339F101) | $32.0M |
| [DUKE ENERGY CORP](https://search.stillhousedata.com/security/26441C204) | $28.7M |
| [SEMPRA](https://search.stillhousedata.com/security/816851109) | $28.1M |
| [UNION PACIFIC CORP](https://search.stillhousedata.com/security/907818108) | $28.0M |
| [ENTERGY CORP](https://search.stillhousedata.com/security/29364G103) | $25.9M |
| IBERDROLA SA | $25.1M |
| [XCEL ENERGY INC](https://search.stillhousedata.com/security/98389B100) | $24.9M |
| [WILLIAMS COMPANIES INC (THE)](https://search.stillhousedata.com/security/969457100) | $23.1M |
| [AMERICAN ELECTRIC POWER COMPANY INC](https://search.stillhousedata.com/security/025537101) | $21.1M |
| [TARGA RESOURCES CORP](https://search.stillhousedata.com/security/87612G101) | $19.3M |
| [CENTERPOINT ENERGY INC](https://search.stillhousedata.com/security/15189T107) | $19.1M |
| [MPLX LP](https://search.stillhousedata.com/security/55336V100) | $18.7M |
| [PPL CORP](https://search.stillhousedata.com/security/69351T106) | $18.3M |
| [CHENIERE ENERGY INC](https://search.stillhousedata.com/security/16411R208) | $18.0M |

## More

- [CIK 1515671 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1515671&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1515671.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.