# EDGAR Filing Document

**Accession Number:** 0000820892
**File Stem:** 0000820892-26-000214
**Filing Date:** 2026-6
**Character Count:** 3794
**Document Hash:** 7653d0adf9c7d513bf48d307a9efa27d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000820892-26-000214.hdr.sgml**: 20260629

**ACCESSION NUMBER**: 0000820892-26-000214

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260629

**DATE AS OF CHANGE**: 20260629

**EFFECTIVENESS DATE**: 20260629

**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:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-16905
- **FILM NUMBER:** 261134358

**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 Short Term Municipal Bond Fund (Series ID: S000005564)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| Class A                                       | FSHAX         | C000015152 |
| Class I                                       | FSHYX         | C000015153 |
| Nuveen Short Term Municipal Bond Fund Class C | NAAEX         | C000137682 |

---

## Series and Classes Contracts Data

### Nuveen Short Term Municipal Bond Fund (Series ID: S000005564)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000015152 | Class A                                       | FSHAX           |
| C000015153 | Class I                                       | FSHYX           |
| C000137682 | Nuveen Short Term Municipal Bond Fund Class C | NAAEX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0000820892

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** NUVEEN INVESTMENT FUNDS INC

- **Address:** 333 West Wacker Drive, Chicago, IL 60606

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-05309

   **Securities Act File Number:** 033-16905

**4(a). Last day of fiscal year for which this Form is filed:** 03/31/2026

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $204072330.76

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $193200508.82

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $376489527.31

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $569690036.13

- **(v) Net sales:** $0.00

- **(vi) Redemption credits available for use in future years:** $-365617705.37

- **(vii) Multiplier for determining registration fee:** 0.0001381

- **(viii) Registration fee due:** $0.00

**Signatures**

**Name and Title:** MD Performance & Reporting, Fund Administration

**Date:** 06/25/2026

**Signature:** Geoffrey Noyes