# EDGAR Filing Document

**Accession Number:** 0000747546
**File Stem:** 0001193125-26-272152
**Filing Date:** 2026-6
**Character Count:** 4140
**Document Hash:** c54f4a91c8ba075ade397ded61ce9dae
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-272152.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001193125-26-272152

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**EFFECTIVENESS DATE**: 20260616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PARNASSUS FUNDS
- **CENTRAL INDEX KEY:** 0000747546

**ORGANIZATION NAME:**
- **EIN:** 946579180
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-93131
- **FILM NUMBER:** 261093517

**BUSINESS ADDRESS:**
- **STREET 1:** ONE MARKET #1600
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105
- **BUSINESS PHONE:** 4157780200

**MAIL ADDRESS:**
- **STREET 1:** ONE MARKET #1600
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PARNASSUS FUND
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RENAISSANCE FUND/MA
- **DATE OF NAME CHANGE:** 19841206

## Series and Classes Contracts Data

### Parnassus Mid Cap Growth Fund (Series ID: S000000852)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Investor Shares      | PARNX         | C000002467 |
| Institutional Shares | PFPRX         | C000156022 |

---

## Series and Classes Contracts Data

### Parnassus Mid Cap Growth Fund (Series ID: S000000852)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000002467 | Investor Shares      | PARNX           |
| C000156022 | Institutional Shares | PFPRX           |

**Parnassus Mid Cap Growth Fund<sup>SM</sup>** 

*Investor Shares* PARNX \| *Institutional Shares* PFPRX

June 16, 2026

**Supplement to the Prospectus and Summary Prospectus, each dated April 30, 2026** 

Effective June 11, 2026, Robert J. Klaber is no longer a Portfolio Manager of Parnassus Mid Cap Growth Fund<sup>SM</sup> (the "Fund"). Effective immediately, Shivani R. Vohra will serve as a co-portfolio manager of the Fund alongside co-portfolio manager Ian E. Sexsmith, CFA, with the following changes being made to the prospectus and summary prospectus:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. The "Summary Section – Parnassus Mid Cap Growth Fund – Portfolio Manager" section of
the prospectus and the "Portfolio Manager" section of the summary prospectus are each hereby amended and restated as follows:

**Portfolio Managers** 

The Portfolio Managers of the Fund are responsible for the day-to-day management of the Fund's portfolio.

**Ian E. Sexsmith** is a Portfolio Manager of the Parnassus Mid Cap Growth Fund and has served as a portfolio manager of the Fund since 2013.

**Shivani R. Vohra** is a Portfolio Manager of the Parnassus Mid Cap Growth Fund and has served as a portfolio manager of the Fund since June 16, 2026.

For more information, please see "Management of the Funds" in the prospectus and "Portfolio Managers" in the SAI.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. The "Management of the Funds" section of the prospectus is revised as follows:

*The sixth paragraph is deleted and replaced with the following:* 

**Shivani R. Vohra** is a Portfolio Manager of the Parnassus Growth Equity Fund and has served in this capacity since its inception in 2022. She is also a Portfolio Manager of the Parnassus Mid Cap Growth Fund and has served as a portfolio manager of the Fund since June 16, 2026. She is a Senior Analyst at Parnassus Investments where she has worked since 2019.

*The eighth paragraph is deleted and replaced with the following:* 

**Ian E. Sexsmith, CFA**, is a Portfolio Manager of the Parnassus Mid Cap Growth Fund and has been a portfolio manager of the Fund since 2013. He is also a portfolio manager of the Parnassus Mid Cap Fund and has served in this capacity since January 1, 2024. He is a Senior Analyst at Parnassus Investments, where he has worked since 2011.

*The ninth paragraph is deleted.* 

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

Please Read Carefully and Keep for Future Reference