# EDGAR Filing Document

**Accession Number:** 0001957892
**File Stem:** 0001193125-26-276322
**Filing Date:** 2026-6
**Character Count:** 7650
**Document Hash:** 6b0b270c4aff5490b3540e95211e7364
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-276322.hdr.sgml**: 20260618

**ACCESSION NUMBER**: 0001193125-26-276322

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260618

**DATE AS OF CHANGE**: 20260618

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StepStone Private Infrastructure Fund
- **CENTRAL INDEX KEY:** 0001957892

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95744
- **FILM NUMBER:** 261104640

**BUSINESS ADDRESS:**
- **STREET 1:** 128 S. TRYON ST., SUITE 1600
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28202
- **BUSINESS PHONE:** 704-215-4300

**MAIL ADDRESS:**
- **STREET 1:** 128 S. TRYON ST., SUITE 1600
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28202
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StepStone Group LP
- **CENTRAL INDEX KEY:** 0001502287

**ORGANIZATION NAME:**
- **EIN:** 331156466
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 4225 EXECUTIVE SQUARE
- **STREET 2:** SUITE 1600
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037
- **BUSINESS PHONE:** 858-558-9700

**MAIL ADDRESS:**
- **STREET 1:** 4225 EXECUTIVE SQUARE
- **STREET 2:** SUITE 1600
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** StepStone Group LLC
- **DATE OF NAME CHANGE:** 20100928

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**StepStone Private Infrastructure Fund**

*(Name of Issuer)*

**Class D and Class U Common Shares of Beneficial Interest**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Jennifer Y. Ishiguro**<br>StepStone Group LP<br>4225 Executive Square, Suite 1600<br>La Jolla CA 90237<br>858-558-9700

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/16/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**StepStone Group LP** | Name of reporting person<br>**StepStone Group LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0.00%** | Percent of class represented by amount in Row (11)<br>**0.00%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Cover pages are limited to one class of security. The cover page of this Schedule 13D filing relates to the Class D Shares outstanding as of the date of this filing. This Schedule 13D/A relates to the following classes of securities of StepStone Private Infrastructure Fund, a Delaware statutory trust registered under the Investment Company Act of 1940 (the "Issuer"): Class D Common Shares of Beneficial Interest (the "Class D Shares") with CUSIP 85914R304 and Class U Common Shares of Beneficial Interest (the "Class U Shares") with CUSIP 85913Y102. As of the date hereof, the Reporting Person directly holds 2,014.252 Class U Shares, representing 1.83% of the Class U Shares outstanding. As of the date hereof, the Reporting Person no longer beneficially owns any Class D Shares and is no longer the beneficial owner of more than 5% of the Class U Shares. This filing represents an exit filing for the Reporting Person with respect to the Class D Shares and Class U Shares. This comment shall serve as full disclosure of the beneficial ownership of the securities of the Issuer. See Item 5.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Class D and Class U Common Shares of Beneficial Interest

**(b) Name of Issuer:**
StepStone Private Infrastructure Fund

**(c) Address of Issuer's Principal Executive Offices:**
128 S. TRYON ST., SUITE 1600, CHARLOTTE, NC, 28202

This Amendment No. 1 ("Amendment No. 1") amends the Statement on Schedule 13D filed by the Reporting Person on June 5, 2026 (as so amended, the "Schedule 13D") and relates to shares of beneficial interest of StepStone Private Infrastructure Fund, a Delaware statutory trust registered under the Investment Company Act of 1940, as amended (the "Issuer"), designated as the Class D Common Shares of Beneficial Interest (the "Class D Shares") and Class U Common Shares of Beneficial Interest (the "Class U Shares" and collectively, the "Common Shares") of the Issuer. Capitalized terms used herein and not otherwise defined herein shall have the meanings assigned to such terms in the Schedule 13D.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Items 5(a)-(c) are hereby amended and restated as follows.

As of the date hereof, the Reporting Person directly holds 2,014.252 Class U Shares, representing 1.83% of the Class U Shares outstanding. As of the date hereof, the Reporting Person no longer beneficially owns any Class D Shares and is no longer the beneficial owner of more than 5% of the Class U Shares. This filing represents an exit filing for the Reporting Person with respect to the Class D Shares and Class U Shares.

**(b)**
See 5(a) above.
Except as set forth in this Schedule 13D, the Reporting Person has not effected any transaction in the Common Shares since the filing of the initial Schedule 13D on June 5, 2026.

**(c)**
Item 5(c) is hereby amended and restated as follows:
On June 16, 2026, 1,007.20 Class D Shares were redeemed by the Issuer at a price of $15.57 per share.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** StepStone Group LP

**Signature:** /s/ Jennifer Y. Ishiguro

**Name/Title:** Jennifer Y. Ishiguro, Partner, Chief Legal Officer, and Secretary of the General Partner, StepStone Group Holdings LLC

**Date:** 06/18/2026