# EDGAR Filing Document

**Accession Number:** 0000707823
**File Stem:** 0001133228-23-001255
**Filing Date:** 2023-3
**Character Count:** 5371
**Document Hash:** 7b079ec095ae5cf8e20e05a4fe7c864d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-23-001255.hdr.sgml**: 20230314

**ACCESSION NUMBER**: 0001133228-23-001255

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230314

**DATE AS OF CHANGE**: 20230314

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY MT VERNON STREET TRUST
- **CENTRAL INDEX KEY:** 0000707823
- **IRS NUMBER:** 000000000
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-03583
- **FILM NUMBER:** 23729128

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY GROWTH COMPANY FUND
- **DATE OF NAME CHANGE:** 19910110

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY MERCURY FUND
- **DATE OF NAME CHANGE:** 19861216

## Series and Classes Contracts Data

### Fidelity Growth Company K6 Fund (Series ID: S000065696)

| Class ID   | Class Name                      | Ticker Symbol   |
|:---|:---|:---|
| C000212499 | Fidelity Growth Company K6 Fund | FGKFX           |

**SCHEDULE 14A INFORMATION**

PROXY STATEMENT PURSUANT TO SECTION 14(a)

OF THE SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant ☒ <br>Filed by a Party other than the Registrant ☐

---

| | | |
|:---|:---|:---|
| Check the appropriate box: | Check the appropriate box: | Check the appropriate box: |
| ☐ | Preliminary Proxy Statement | Preliminary Proxy Statement |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive Proxy Statement | Definitive Proxy Statement |
| ☒ | Definitive Additional Materials | Definitive Additional Materials |
| ☐ | Soliciting Material under Rule 14a-12 | Soliciting Material under Rule 14a-12 |
|  | **Fidelity Advisor Series I, Fidelity Securities Fund, Fidelity Mt. Vernon Street Trust, Fidelity Trend Fund** | **Fidelity Advisor Series I, Fidelity Securities Fund, Fidelity Mt. Vernon Street Trust, Fidelity Trend Fund** |
|  | (Name of Registrant as Specified In Its Charter) | (Name of Registrant as Specified In Its Charter) |
| Payment of Filing Fee (Check the appropriate box): | Payment of Filing Fee (Check the appropriate box): | Payment of Filing Fee (Check the appropriate box): |
| ☒ | No fee required. | No fee required. |
| ☐ | Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11. | Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11. |
|  | (1) | Title of each class of securities to which transaction applies: |
|  | (2) | Aggregate number of securities to which transaction applies: |
|  | (3) | Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11: |
|  | (4) | Proposed maximum aggregate value of transaction: |
|  | (5) | Total Fee Paid: |
| ☐ | Fee paid previously with preliminary materials. | Fee paid previously with preliminary materials. |
| ☐ | Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing. | Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing. |
|  | (1) | Amount Previously Paid: |
|  | (2) | Form, Schedule or Registration Statement No.: |
|  | (3) | Filing Party: |
|  | (4) | Date Filed: |

---

PLEASE VOTE YOUR PROXY NOW!

**Fidelity Advisor® Equity Growth Fund**

**Fidelity® Blue Chip Growth K6 Fund**

**Fidelity® Growth Company K6 Fund**

**Fidelity® Trend Fund**

Your vote is extremely important

no matter how large or small your holdings may be!

**Vote your shares today**!\*

Reference the **enclosed proxy card** for instructions on how you can vote **online**, by **touch-tone telephone**, or by signing and returning the enclosed proxy card by **mail**.

Special Meeting of Shareholders

For Shareholders as of: February 21, 2023

Meeting Date: April 19, 2023

**Until we receive a sufficient number of votes, the shareholder meeting cannot be held.**

Shareholders who hold more than one account will receive a separate card for each account and should vote each card or the EzVote consolidated card.

If you have already voted, thank you for your response. If you have any further questions, please call Fidelity at 1-800-544-8544 (Retail funds); 1-877-208-0098 (Advisor funds); or 1-800-835-5092 (K6 funds). Thank you.

\* Broadridge Financial Solutions, Inc. has been engaged by Fidelity Investments as a paid solicitor. In the event that you receive a telephone call from a Broadridge Financial Solutions, Inc. representative, you may be asked to verify certain personal information for identification verification (e.g., name and address).

URGENT PROXY VOTING REQUEST

![](img001.jpg)

GW-PXL2-0323

1.9909584.100