# EDGAR Filing Document

**Accession Number:** 0000842790
**File Stem:** 0001193125-25-265908
**Filing Date:** 2025-11
**Character Count:** 7108
**Document Hash:** 71f8d82a3bce5023b5a8e5fbd38c2b59
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-265908.hdr.sgml**: 20251105

**ACCESSION NUMBER**: 0001193125-25-265908

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251105

**DATE AS OF CHANGE**: 20251105

**EFFECTIVENESS DATE**: 20251105

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS (INVESCO INVESTMENT SECURITIES FUNDS)
- **CENTRAL INDEX KEY:** 0000842790

**ORGANIZATION NAME:**
- **EIN:** 760343427
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0228

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-39519
- **FILM NUMBER:** 251451992

**BUSINESS ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046
- **BUSINESS PHONE:** 7136261919

**MAIL ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS
- **DATE OF NAME CHANGE:** 20000921

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM PRIME RATE PREMIUM INCOME FUND INC
- **DATE OF NAME CHANGE:** 19910320

## Series and Classes Contracts Data

### INVESCO Global Real Estate Fund (Series ID: S000010736)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000029658 | Class A      | AGREX           |
| C000029660 | Class C      | CGREX           |
| C000029661 | Class R      | RGREX           |
| C000029662 | CLASS R5     | IGREX           |
| C000071219 | Class Y      | ARGYX           |
| C000120678 | Class R6     | FGREX           |

**SUPPLEMENT DATED NOVEMBER 5, 2025 TO THE CURRENT** <br>**SUMMARY PROSPECTUS, STATUTORY PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION FOR:**

**Invesco Global Real Estate Fund** <br>**Invesco V.I. Global Real Estate Fund**

(each a "Fund" and collectively the "Funds")

This supplement amends the Summary Prospectuses, Statutory Prospectuses and Statements of Additional Information ("SAIs") of the above referenced Funds and is in addition to any other supplement(s), unless otherwise specified. *You should read this supplement in conjunction with the Summary Prospectuses, Statutory Prospectuses and SAIs and retain it for future reference.*

**Effective November 5, 2025:**

1. The following information replaces in its entirety the information appearing under the heading "**Management of the Fund**" in the prospectuses:

Investment Adviser: Invesco Advisers, Inc. (Invesco or the Adviser)

---

| | | |
|:---|:---|:---|
| **Portfolio Managers** | **Title** | **Length of Service on the Fund** |
| PingYing Wang, PhD, CFA | Portfolio Manager (Lead) | 2006 |
| Chris Faems, CFA | Portfolio Manager | 2025 |
| Grant Jackson, CFA | Portfolio Manager | 2018 |

---

2. The following information replaces in its entirety the information appearing under the heading **"Fund Management – The Adviser(s)**" in the Statutory Prospectuses:

Invesco serves as the Fund's investment adviser. The Adviser manages the investment operations of the Fund as well as other investment portfolios that encompass a broad range of investment objectives, and has agreed to perform or arrange for the performance of the Fund's day-to-day management. The Adviser is located at 1331 Spring Street N.W., Suite 2500, Atlanta, Georgia 30309. The Adviser, as successor in interest to multiple investment advisers, has been an investment adviser since 1976.

*Sub-Advisers.* Invesco has entered into one or more Sub-Advisory Agreements with certain affiliates to serve as sub-advisers to the Fund (the Sub-Advisers). Invesco may appoint the Sub-Advisers from time to time to provide discretionary investment management services, investment advice, and/or order execution services to the Fund. The Sub-Advisers and the Sub-Advisory Agreements are described in the SAI.

3. The following information replaces in its entirety the information appearing under the heading **"Fund Management – Portfolio Managers**" in the Statutory Prospectuses:

The following individuals are jointly and primarily responsible for the day-to-day management of the Fund's portfolio:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ PingYing Wang, PhD, CFA, Portfolio Manager (Lead), who has been responsible for the Fund since 2006 and has been associated with Invesco and/or its affiliates since 1998.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Chris Faems, CFA, Portfolio Manager, who has been responsible for the Fund since 2025 and has been associated with Invesco and/or its affiliates since 2006.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Grant Jackson, CFA, Portfolio Manager, who has been responsible for the Fund since 2018 and has been associated with Invesco and/or its affiliates since 2005.

The lead or co-lead portfolio manager generally has final authority over all aspects of the Fund's investment portfolio, including but not limited to, purchases and sales of individual securities, portfolio construction techniques, portfolio risk assessment, and the management of daily cash flows in accordance with portfolio holdings. The degree to which the lead or co-lead portfolio manager may perform these functions, and the nature of these functions, may change from time to time.

More information on the portfolio managers may be found at www.invesco.com/us. The website is not part of this prospectus.

The Fund's SAI provides additional information about the portfolio managers' investments in the Fund, a description of the compensation structure and information regarding other accounts managed.

4. For each Fund, the following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — INVESTMENTS**" in Appendix H of each Fund's SAI:

AIS-AVIF-SUMSTATSAI-SUP 110525

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Chris Faems began serving as a portfolio manager of the Fund effective November 5, 2025. As of August 31, 2025, Mr. Faems did not beneficially own any shares of the Fund.

5. For each Fund, the following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — ASSETS MANAGED**" in Appendix H of each Fund's SAI:

Chris Faems began serving as a portfolio manager of the Fund effective November 5, 2025. As of August 31, 2025, Mr. Faems did not manage any other registered investment companies, other pooled investment vehicles or other accounts.

6. James Cowen no longer serves as a Portfolio Manager of the Funds. Accordingly, all references related to Mr. Cowen are hereby removed from each Fund's Summary Prospectus, Statutory Prospectus and SAI.

7. All references to Invesco Asset Management Limited are removed from each Fund's Summary Prospectus, Statutory Prospectus and, with respect to each Fund only, SAI.

AIS-AVIF-SUMSTATSAI-SUP 110525

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