# EDGAR Filing Document

**Accession Number:** 0000898745
**File Stem:** 0000898745-25-000590
**Filing Date:** 2025-10
**Character Count:** 5140
**Document Hash:** 2ba233c05e124dbc61a56cccececd9e5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000898745-25-000590.hdr.sgml**: 20251002

**ACCESSION NUMBER**: 0000898745-25-000590

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 17

**FILED AS OF DATE**: 20251002

**DATE AS OF CHANGE**: 20251002

**EFFECTIVENESS DATE**: 20251002

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PRINCIPAL FUNDS, INC.
- **CENTRAL INDEX KEY:** 0000898745

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-59474
- **FILM NUMBER:** 251367439

**BUSINESS ADDRESS:**
- **STREET 1:** 711 HIGH STREET
- **CITY:** DES MOINES
- **STATE:** IA
- **ZIP:** 50392
- **BUSINESS PHONE:** 515-235-9328

**MAIL ADDRESS:**
- **STREET 1:** PRINCIPAL FINANCIAL GROUP
- **CITY:** DES MOINES
- **STATE:** IA
- **ZIP:** 50392

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PRINCIPAL FUNDS, INC
- **DATE OF NAME CHANGE:** 20211220

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PRINCIPAL FUNDS INC
- **DATE OF NAME CHANGE:** 20080616

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PRINCIPAL INVESTORS FUND INC
- **DATE OF NAME CHANGE:** 20001012

## Series and Classes Contracts Data

### Principal LifeTime 2015 Fund (Series ID: S000022103)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LTINX         | C000063423 |
| R-3                 | LTAPX         | C000063424 |
| R-5                 | LTPFX         | C000063426 |

---

### Principal LifeTime Hybrid 2015 Fund (Series ID: S000046556)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PHTMX         | C000145311 |
| R-6                 | PLRRX         | C000159887 |
| Class J             | PHJMX         | C000199318 |

---

## Series and Classes Contracts Data

### Principal LifeTime 2015 Fund (Series ID: S000022103)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000063423 | Institutional Class | LTINX           |
| C000063424 | R-3                 | LTAPX           |
| C000063426 | R-5                 | LTPFX           |

### Principal LifeTime Hybrid 2015 Fund (Series ID: S000046556)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000145311 | Institutional Class | PHTMX           |
| C000159887 | R-6                 | PLRRX           |
| C000199318 | Class J             | PHJMX           |

?xml version='1.0' encoding='ASCII'? ck0000898745-20251002

**Principal Funds, Inc.**

**Supplement dated October 2, 2025**

**to the Prospectus dated March 1, 2025**

**(as previously supplemented)**

This supplement updates information contained in the Prospectus. Please retain this supplement for future reference.

**SUMMARY FOR PRINCIPAL LIFETIME 2015 FUND**

*In the* **Principal Investment Strategies** *section, delete the fourth paragraph in its entirety and replace with the following:* 

The underlying funds invest in growth and value stocks of large market capitalization companies, fixed-income securities, domestic and foreign securities, securities denominated in foreign currencies, investment companies, securitized products, U.S. government and U.S. government-sponsored securities, and derivatives. A derivative is a financial arrangement, the value of which is derived from, or based on, a traditional security, asset, or market index. The underlying funds principally use futures, options, swaps (including, for example, credit default, interest rate, and currency swaps), and forwards in order to gain exposure to a variety of securities or asset classes or attempt to reduce risk.

*In the* **Principal Risks** *section, delete* **Smaller Companies Risk** *under the* **Equity Securities Risk***.*

**SUMMARY FOR PRINCIPAL LIFETIME HYBRID 2015 FUND**

*In the* **Principal Investment Strategies** *section, delete the fourth paragraph in its entirety and replace with the following:* 

The underlying funds invest in growth and value stocks of large market capitalization companies, fixed-income securities, domestic and foreign securities, securities denominated in foreign currencies, investment companies (including index funds), securitized products, U.S. government and U.S. government-sponsored securities, and derivatives. A derivative is a financial arrangement, the value of which is derived from, or based on, a traditional security, asset, or market index. The underlying funds principally use futures, options, swaps (including, for example, credit default, interest rate, and currency swaps), and forwards in order to gain exposure to a variety of securities or asset classes or attempt to reduce risk.

*In the* **Principal Risks** *section, delete* **Smaller Companies Risk** *under the* **Equity Securities Risk***.*

**ADDITIONAL INFORMATION ABOUT INVESTMENT STRATEGIES AND RISKS**

*In the column of the* **Investment Strategy and Risks Table** *for both Principal LifeTime 2015 Fund and Principal LifeTime Hybrid 2015 Fund, delete the row for Smaller Companies.*