# EDGAR Filing Document

**Accession Number:** 0000811030
**File Stem:** 0000894189-26-014140
**Filing Date:** 2026-4
**Character Count:** 1624
**Document Hash:** 08d92cd4ba991047e5b605947ab3c9b6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-26-014140.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0000894189-26-014140

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PROFESSIONALLY MANAGED PORTFOLIOS
- **CENTRAL INDEX KEY:** 0000811030

**ORGANIZATION NAME:**
- **EIN:** 566415270
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-12213
- **FILM NUMBER:** 26927082

**BUSINESS ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 414-218-3770

**MAIL ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AVONDALE INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 19910529

## Series and Classes Contracts Data

### Muzinich Low Duration Fund (Series ID: S000054438)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000262022 | Institutional Shares | MZLNX           |

![mzsai_image1a01.gif](mzsai_image1a01.gif)

**Muzinich Low Duration Fund**

<br>**Supplement dated April 30, 2026** <br>**to the Summary Prospectus dated April 30, 2026**<br>

Until further notice, Institutional Shares of the Muzinich Low Duration Fund are not available for purchase.

**\* \* \* \* \***

**Please retain this supplement with your Summary Prospectus.**

<br>