# EDGAR Filing Document

**Accession Number:** 0000820892
**File Stem:** 0001193125-26-213701
**Filing Date:** 2026-5
**Character Count:** 8241
**Document Hash:** 09bad3f66eb2c7fb6edb3a713e04180b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-213701.hdr.sgml**: 20260508

**ACCESSION NUMBER**: 0001193125-26-213701

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260508

**DATE AS OF CHANGE**: 20260508

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NUVEEN INVESTMENT FUNDS INC
- **CENTRAL INDEX KEY:** 0000820892

**ORGANIZATION NAME:**
- **EIN:** 411418224
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05309
- **FILM NUMBER:** 26956588

**BUSINESS ADDRESS:**
- **STREET 1:** 333 WEST WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-917-8146

**MAIL ADDRESS:**
- **STREET 1:** 333 WEST WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIRST AMERICAN INVESTMENT FUNDS INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SECURAL MUTUAL FUNDS INC
- **DATE OF NAME CHANGE:** 19910627
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NUVEEN INVESTMENT FUNDS INC
- **CENTRAL INDEX KEY:** 0000820892

**ORGANIZATION NAME:**
- **EIN:** 411418224
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-16905
- **FILM NUMBER:** 26956587

**BUSINESS ADDRESS:**
- **STREET 1:** 333 WEST WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-917-8146

**MAIL ADDRESS:**
- **STREET 1:** 333 WEST WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIRST AMERICAN INVESTMENT FUNDS INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SECURAL MUTUAL FUNDS INC
- **DATE OF NAME CHANGE:** 19910627

## Series and Classes Contracts Data

### Nuveen Global Infrastructure Fund (Series ID: S000020012)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000275827 | ETF Class    |  |

**As filed with the Securities and Exchange Commission on May 8, 2026** 

**1933 Act Registration No. 033-16905** 

**1940 Act Registration No. 811-05309** 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

## Form N-1A

---

| | |
|:---|:---|
| REGISTRATION STATEMENT UNDER THE<br> SECURITIES ACT OF 1933 | ☐ |
| Pre-Effective Amendment No. | ☐ |
| Post-Effective Amendment No. 277 | ☒ |
| and/or |  |
| REGISTRATION STATEMENT UNDER THE<br> INVESTMENT COMPANY ACT OF 1940 |  |
| Amendment No. 277 | ☒ |

---

## Nuveen Investment Funds, Inc.
(Exact Name of Registrant as Specified in Charter)

333 West Wacker Drive, Chicago, Illinois 60606 <br> (Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code: (312) 917-7700

Mark J. Czarniecki Vice President and Secretary 901 Marquette Avenue Minneapolis, MN 55402 (Name and Address of Agent for Service) Copies to: Eric F. Fess Chapman and Cutler LLP 320 South Canal Street Chicago, Illinois 60606

**Approximate Date of Proposed Public Offering:** As soon as practicable after effectiveness.

**Title of Securities Being Registered:** Common Stock.

It is proposed that this filing will become effective (check appropriate box):

---

| | | | |
|:---|:---|:---|:---|
| ☐ | immediately upon filing pursuant to paragraph (b) | ☐ | on (date) pursuant to paragraph (a)(1) |
| ☒ | on May 14, 2026 pursuant to paragraph (b) | ☐ | 75 days after filing pursuant to paragraph (a)(2) |
| ☐ | 60 days after filing pursuant to paragraph (a)(1) | ☐ | on (date) pursuant to paragraph (a)(2) of Rule 485. |

---

If appropriate, check the following box:

☒ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

------

**CONTENTS OF POST-EFFECTIVE AMENDMENT NO. 277** 

This Post-Effective Amendment to the Registration Statement comprises the following papers and contents:

---

| |
|:---|
| The Facing Sheet |
| The sole purpose of this filing is to delay the effectiveness of the Registrant's Post-Effective Amendment No. 275, as it relates to Nuveen Global Infrastructure Fund, a series of the Registrant (the "*Fund*"), until May 14, 2026. Parts A, B and C of the [Registrant's Post-Effective Amendment No. 275](http://www.sec.gov/Archives/edgar/data/820892/000119312526104230/d101053d485apos.htm) under the Securities Act of 1933 as it relates to the Fund, filed on March 12, 2026, are incorporated by reference herein. |
| Signatures |

---

------

**SIGNATURES** 

**Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this registration statement under Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this post-effective amendment to its registration statement to be signed on its behalf by the undersigned, duly authorized, in the City of Chicago and State of Illinois, on the 8th day of May, 2026.** 

---

| | |
|:---|:---|
| NUVEEN INVESTMENT FUNDS, INC. | NUVEEN INVESTMENT FUNDS, INC. |
| By: | /s/ MARK J. CZARNIECKI |
|  | Mark J. Czarniecki |
|  | Vice President and Secretary |

---

**Pursuant to the requirements of the Securities Act of 1933, as amended, this post-effective amendment to the registration statement has been signed below by the following persons in the capacities and on the date indicated.** 

---

| | | | |
|:---|:---|:---|:---|
| **Signature** | **Title** |  | **Date** |
| /S/ MARC CARDELLA<br> **MARC CARDELLA** | Vice President and Controller (principal financial and accounting officer) |  | May 8, 2026 |
| /S/ JORDAN M. FARRIS<br> **JORDAN M. FARRIS** | Chief Administrative Officer (principal executive officer) |  | May 8, 2026 |
| ROBERT L. YOUNG\* | Chair of the Board and Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| JOSEPH A. BOATENG\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| MICHAEL A. FORRESTER\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| THOMAS J. KENNY\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| AMY B.R. LANCELLOTTA\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| JOANNE T. MEDERO\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| ALBIN F. MOSCHNER\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| JOHN K. NELSON\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| LOREN M. STARR\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| MATTHEW THORNTON III\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| TERENCE J. TOTH \* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |
| MARGARET L. WOLFF\* | Director | <br>By: | <br>/S/ MARK J. CZARNIECKI<br>**MARK J. CZARNIECKI**<br> **Attorney-in-Fact**<br> **May 8, 2026** |

---

\* An original power of attorney dated [January 1, 2024](http://www.sec.gov/Archives/edgar/data/820892/000119312524049072/d744145dex99q.htm), authorizing, among others, Mark J. Czarniecki to execute this registration statement, and amendments thereto, for each of the directors of the Registrant on whose behalf this registration statement is filed, has been executed and has previously been filed with the Securities and Exchange Commission and is incorporated by reference herein.