# EDGAR Filing Document

**Accession Number:** 0001380192
**File Stem:** 0000276776-23-000055
**Filing Date:** 2023-3
**Character Count:** 3266
**Document Hash:** 44b821d4657c6af3ec8817d0103ae9d8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000276776-23-000055.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0000276776-23-000055

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**EFFECTIVENESS DATE**: 20230303

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer Series Trust VI
- **CENTRAL INDEX KEY:** 0001380192
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-138560
- **FILM NUMBER:** 23703308

**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

## Series and Classes Contracts Data

### Pioneer Floating Rate Fund (Series ID: S000015510)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000042204 | Pioneer Floating Rate Fund: Class A | FLARX           |
| C000042205 | Pioneer Floating Rate Fund: Class C | FLRCX           |
| C000042206 | Pioneer Floating Rate Fund: Class Y | FLYRX           |
| C000135272 | Pioneer Floating Rate Fund: Class K | FLRKX           |

### Pioneer Flexible Opportunities Fund (Series ID: S000028857)

| Class ID   | Class Name                                          | Ticker Symbol   |
|:---|:---|:---|
| C000088499 | Pioneer Flexible Opportunities Fund: Class A Shares | PMARX           |
| C000088500 | Pioneer Flexible Opportunities Fund: Class C Shares | PRRCX           |
| C000088501 | Pioneer Flexible Opportunities Fund: Class Y Shares | PMYRX           |
| C000133350 | Pioneer Flexible Opportunities Fund: Class R Shares | MUARX           |
| C000200524 | Pioneer Flexible Opportunities Fund: Class K        | FLEKX           |

```

[Logo - AMUNDI US]

							March 3, 2023

VIA ELECTRONIC TRANSMISSION
---------------------------

Securities and Exchange Commission
Division of Investment Management
100 F Street, NE
Washington, D.C. 20549

Re:       Pioneer Series Trust VI (the "Trust")
          (File Nos. 333-138560 and 811-21978)
          CIK No. 0001380192

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, I
certify that the forms of the statement of additional information
for Pioneer Floating Rate Fund and Pioneer Flexible
Opportunities Fund, each a series of the Trust, which would have
been filed under paragraph (c) of Rule 497, do not differ from
those contained in Post-Effective Amendment No. 41 to the
Trust's registration statement on Form N-1A, filed electronically
with the Commission on February 24, 2023
(Accession No. 0001193125-23-048630).

If you have any questions  concerning the foregoing certification, please
contact me at (617) 422-4388.

					 Very truly yours,

					/s/ Daniel J. Hynes
    					-------------------------
    					Daniel J. Hynes
    					Senior Legal Product Manager

cc:     Christopher J. Kelley, Esq.
        Toby R. Serkin, Esq.

Amundi Asset Management US, Inc.
60 State Street
Boston, MA  02109-1820

```