# EDGAR Filing Document

**Accession Number:** 0001616037
**File Stem:** 0001193125-25-319127
**Filing Date:** 2025-12
**Character Count:** 1512
**Document Hash:** 7c46370e881ae99b0ba4539281a7653e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-319127.hdr.sgml**: 20251215

**ACCESSION NUMBER**: 0001193125-25-319127

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251215

**DATE AS OF CHANGE**: 20251215

**EFFECTIVENESS DATE**: 20251215

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer ILS Interval Fund
- **CENTRAL INDEX KEY:** 0001616037

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-197909
- **FILM NUMBER:** 251571432

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** (617) 742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

NO SERIES-AND-CLASSES-CONTRACTS-DATA BLOCK FOUND

December 15, 2025

#### Pioneer ILS Interval Fund
**Supplement to the Prospectus and Statement of Additional Information, each dated March 1, 2025, as in effect and as may be amended from time to time** 

Effective March 1, 2026, the Pioneer ILS Interval Fund's (the "Fund") name is changed from "Pioneer ILS Interval Fund" to "Victory Pioneer ILS Interval Fund." Effective March 1, 2026, investors may purchase shares on any regular business day and the Fund will no longer schedule quarterly share purchase windows.

34262-00-1225